Katz, J.
The defendant, the board of education of the town of Enfield,1 appeals from the decision of the compensation review division affirming an award by the workers’ compensation commissioner (commissioner) to one of the defendant’s tenured teachers, the plaintiff, Roderick Crochiere, for work-related mental injuries. In accordance with General Statutes (Rev. to 1989) § 31-301 (b), the defendant appealed to the Appellate Court and we transferred the appeal to this court pursuant to Practice Book § 4023 and General Statutes § 51-199 (c). The defendant claims that: (1) the commissioner was precluded from hearing the plaintiff’s claim on the grounds of collateral estoppel and res judicata; (2) the commissioner lacked jurisdiction over the hearing because the plaintiff failed to comply with the time limitations of General Statutes (Rev. to 1989) § 31-294; (3) mental injury without a physical component is not compensable; (4) mental injury resulting from termination is not compensable; (5) mental injury resulting from a deviation from employment or will ful and serious misconduct is not compensable; and (6) the commissioner incorrectly failed to admit into evidence a [335]*335transcript from another proceeding. We affirm the judgment of the compensation review division.
The following facts are undisputed. The plaintiff was a tenured music teacher at the Harriet Beecher Stowe Elementary School in Enfield. In June, 1987, the parents of S,2 a female student at the school, registered a complaint with the defendant concerning the conduct of the plaintiff. The parents alleged several instances of inappropriate touching of their daughter by the plaintiff. S then wrote a statement describing one of the incidents that had occurred two months earlier. Reports of the accusations appeared on several local television and radio stations and also in many newspapers, one of which published fifty-two articles about the plaintiff.
The plaintiff was suspended from his employment in June, 1987, and never returned to work. The defendant continued to pay the plaintiff during his suspension. A termination hearing, in accordance with General Statutes § 10-151,3 was held and the plaintiff was terminated on October 21, 1987.
[336]*336The plaintiff subsequently submitted a claim for [337]*337workers’ compensation benefits pursuant to General [338]*338Statutes (Rev. to 1989) § 31-2944 on the basis of the mental stress that he had experienced beginning in June, 1987. The plaintiff claimed that this “work [339]*339related” stress resulted from false accusations that had been made against him and caused him to suffer a nervous breakdown, leading to his involuntary hospitalization on December 25, 1987. The plaintiff claimed benefits for temporary total disability from December 25,1987, to October 31,1988, and temporary partial disability from November 1,1988, to the present.
Pursuant to General Statutes (Rev. to 1989) § 31-297,5 the commissioner heard evidence on various dates between September 15,1989, and June 8,1990, and issued his findings and award on June 28, 1990. The commissioner awarded benefits to the plaintiff because he found that the plaintiff had established a mental injury as a result of unsubstantiated charges having been brought against him by his former student. [340]*340The commissioner found, inter alia, that: no credible evidence had been introduced to suggest that the plaintiff had touched S or any other student in any sexual or abusive manner; the accusations made against him and the numerous media accounts reporting the complaints had had a devastating effect on him, causing him to suffer stress, anger, resentment, humiliation, and loss of self esteem; these effects, which emanated primarily from the complaints and accusations against him and which arose out of and in the course of his employment had caused the plaintiff to experience a continuum of psychological decompensation causing a nervous breakdown on December 25,1987, followed by involuntary hospitalization; he had remained totally incapacitated through October 31, 1988; and he had continued to be partially incapacitated from November 1,1988, through August 2,1989, at which time he was still unable to return to work as a music teacher.
The defendant thereafter appealed to the compensation review division6 (review division) pursuant to General Statutes (Rev. to 1989) § 31-301 (a)7 claiming that: (1) the plaintiffs claim was untimely under § 31-294; (2) the plaintiffs mental injury was not com[341]*341pensable because: (a) it flowed in part from a termination proceeding; (b) it was caused by his own willful misconduct; and (c) it was not in conjunction with a physical injury; (3) the commissioner incorrectly excluded a transcript of testimony from the plaintiffs prior termination hearing; and (4) the commissioner was collaterally estopped from inquiring into the plaintiffs alleged willful misconduct because, it claimed, that issue had already been adjudicated as part of the earlier termination proceedings.8
The review division affirmed the commissioner's decision. It concluded that because the plaintiff’s last day on the job and his last day of exposure to the claimed injury was October 21, 1987, the notice of claim filed on September 22,1988, had been timely under the one year limit for filing repetitive trauma claims and the three year limit for occupational disease claims as set forth in § 31-294.9 The review division further con-[342]*342eluded that the plaintiffs mental illness was compensable because, as the commissioner had concluded, the mental illness did not flow from his termination or result from his misconduct or any deprivation from employment, and because there need not be a physical component to a disabling mental injury. In considering the issue of collateral estoppel, which the defendant claimed should have precluded the commissioner from hearing evidence on the issue of the plaintiff’s termination, the review division noted that the defendant had neglected to raise this issue before the commissioner. The review division nevertheless concluded, that because the record did not reflect the ultimate basis of the 1987 termination pursuant to the hearing held under § 10-151, the defendant could not prevail on its claim that the termination hearing had a collateral estoppel effect on the plaintiff’s workers’ compensation claim. Lastly, the review division affirmed the commissioner’s decision to preclude a transcript of testimony from the earlier termination hearing because the defendant had not demonstrated the witness’ unavailability.
The defendant thereafter appealed from the review division’s decision. We now affirm the judgment.
I
Because res judicata or collateral estoppel, when properly raised and established, will preclude a claim or issue, respectively, the defendant’s invocation of this principle must first be resolved.10 We have recently had [343]*343an opportunity to address these two doctrines, their similarities and their differences. Jackson v. R.G. Whipple, Inc., 225 Conn. 705, 712-13, 627 A.2d 374 (1993), and cases cited therein. Claim preclusion (res judicata) and issue preclusion (collateral estoppel) have been described as related ideas on a continuum. “ ‘[C]laim preclusion prevents a litigant from reasserting a claim that has already been decided on the merits. . . . [I]ssue preclusion, prevents a party from relitigating an issue that has been determined in a prior suit.’ ” Virgo v. Lyons, 209 Conn. 497, 501, 551 A.2d 1243 (1988), quoting Gionfriddo v. Gartenhaus Cafe, 15 Conn. App. 392, 401-402, 546 A.2d 284 (1988), aff d, 211 Conn. 67, 557 A.2d 540 (1989).
The case before us raises the question of whether, in the plaintiff’s employment termination proceeding, the issue of his alleged misconduct “was actually litigated and necessarily determined . . . .” Carothers v. Capozziello, 215 Conn. 82, 94-95, 574 A.2d 1268 (1990). “Issue preclusion applies if ‘an issue of fact or law is actually litigated and determined by a valid and final judgment, and the determination is essential to the judgment . . . .’1 Restatement (Second), Judgments § 27 (1982). An issue is ‘actually litigated’ if it is properly raised in the pleadings, submitted for determination, and in fact determined. Id., § 27, comment d. If an issue has been determined, but the judgment is not dependent upon the determination of the issue, the parties may relitigate the issue in a subsequent action. Findings on nonessential issues usually ‘have the characteristics of dicta.’ Id., § 27, comment h.” Scalzo v. Danbury, 224 Conn. 124, 128-29, 617 A.2d 440 (1992).
Following the termination hearing, the defendant terminated the plaintiff’s employment. No appeal from that proceeding was ever taken. The claim of improper termination had thus been litigated and determined. [344]*344See Duhaime v. American Reserve Life Ins. Co., 200 Conn. 360, 511 A.2d 333 (1986). Because, however, neither the transcript of the termination hearing nor the findings by the termination hearing officer were introduced into the record at the workers’ compensation hearing, it cannot be determined whether the issue of the plaintiff’s misconduct had been “actually litigated,” that is, whether it had been properly pleaded, submitted for determination and in fact determined. See 1 Restatement (Second), Judgments § 27, comment d (1982).
Although the issue of the plaintiff’s conduct may have been the reason for the hearing, either directly or indirectly,11 a determination of the alleged misconduct was not essential to the decision by the defendant to terminate the plaintiff’s employment. Section 10-151 (d) permits the termination of a tenured school teacher “for one or more of the following reasons: (1) Inefficiency or incompetence; (2) insubordination against reasonable rules of the board of education; (3) moral misconduct; (4) disability, as shown by competent medical evidence; (5) elimination of the position to which the teacher was appointed or loss of a position to another teacher, if no other position exists to which such teacher may be appointed if qualified . . . .” At no point in the workers’ compensation hearing did the defendant offer or submit into evidence the decision from the plaintiff’s 1987 termination proceeding. The record before this court regarding the 1987 termination hearing reveals only that the plaintiff was dismissed. The dismissal, therefore, may have been for inefficiency or incompetence, insubordination against reasonable rules or disability as shown by competent medical evidence. In light [345]*345of the medical evidence introduced at the workers’ compensation hearing concerning the plaintiff’s state of health in 1987, disability could have been a possible reason for termination.
Before collateral estoppel applies there must be an identity of issues between the prior and subsequent proceedings. To invoke collateral estoppel the issues sought to be litigated in the new proceeding must be identical to those considered in the prior proceeding. Aetna Casualty & Surety Co. v. Jones, 220 Conn. 285, 297, 596 A.2d 414 (1991). It has not been demonstrated, however, that there was an identified, litigated and decided issue in the 1987 hearing that would have precluded the litigation of the misconduct allegation in 1990. The following colloquy between counsel at the June 1,1990 hearing demonstrates that the basis of the 1987 decision was not entered into evidence:
“Attorney Rosenblatt: For the record, Commissioner, I would like to add one thing also to my objection; and that is that there’s no showing that there was an identity of issues between the hearing that was the subject of [the plaintiff’s termination] and this hearing today.
“Attorney Reik: As far as that’s concerned, if I might be heard on that briefly. That would be relevant if this was—if the issue here were a claim of collateral estoppel, or a claim of an estoppel effect. We’re not claiming that this Commission in any way, form, or manner is stopped by this testimony. We’re simply offering the testimony.”
Thus, collateral estoppel had not been claimed by the defendant in the evidentiary hearing before the commissioner and was raised for the first time in its brief to the review division. In the absence of a record to support the defendant’s assertions that the hearing officer at the termination proceeding concluded that the [346]*346plaintiff had inappropriately touched a student and that, as a consequence, he was terminated as a teacher, the commissioner was not precluded from inquiring into the allegations of willful misconduct or from deciding that very issue in the context of the workers’ compensation hearing.
II
We next address the issue of whether the commissioner lacked jurisdiction over the workers’ compensation hearing because the plaintiff failed to comply with the time limitations of § 31-294. The defendant argues that the plaintiff’s claim satisfied neither the one year statute of limitations for repetitive trauma claims nor the three year statute of limitations for occupational disease claims. More fundamentally, however, the defendant claims that the plaintiff’s injury is not compensable at all because it was neither a repetitive trauma nor an occupational disease and did not arise out of or in the course of his employment.
Before addressing the merits of these claims, we briefly turn our attention to the standard of review. Determining whether an injury arose out of and in the course of employment is a question of fact for the commissioner. Fair v. People’s Savings Bank, 207 Conn. 535, 539, 542 A.2d 1118 (1988). A decision by a commissioner to grant or deny an award may be appealed to the compensation review division pursuant to General Statutes (Rev. to 1989) § 31-301 (a), which provides in pertinent part: “At any time within ten days after entry of such award by the commissioner . . . either party may appeal therefrom to the compensation review division .... Such appeal shall be heard by a panel of the compensation review division .... The compensation review division shall hear the appeal on the record of the hearing before the commissioner, provided, if it is shown to the satisfaction of the division [347]*347that additional evidence or testimony is material and that there were good reasons for failure to present it in the proceedings before the commissioner, the compensation review division may hear additional evidence or testimony. Upon the final determination of the appeal by the compensation review division ... it shall issue its decision, affirming, modifying or reversing the decision of the commissioner. The decision of the compensation review division shall include its findings and award and conclusions of law. . . .’’(Emphasis added.) “[T]he review division’s hearing of an appeal from the commissioner is not a de novo hearing of the facts. . . . [I]t is obligated] to hear the appeal on the record and not‘retry the facts.’ . . . ‘[T]he power and duty of determining the facts rests on the commissioner, the trier of facts. . . . [T]he conclusions drawn by him from the facts found must stand unless they result from an incorrect application of the law to the subordinate facts or from an inference illegally or unreasonably drawn from them.’ ” (Citations omitted.) Fair v. People’s Savings Bank, supra, 538-39. Moreover, the fact that the inference may involve an application of a broad statutory term or phrase to a specific set of facts does not result in any greater scope of judicial review.
“To the extent that we have articulated a standard for reviewing a determination by a commissioner that an injury arose out of the employment, we have treated this issue as factual in nature and, therefore, have accorded the commissioner’s conclusion the same deference as that given to similar conclusions of a trial judge or jury on the issue of proximate cause. A finding of a fact of this character [whether the injury arose out of the employment] is the finding of a primary fact. . . . This ordinarily and in this case presents a question for the determination of the commissioner and we have no intention of usurping his function. . . . [348]*348This rule leads to the conclusion that unless the case lies clearly on the one side or the other the question whether an employee has so departed from his employment that his injury did not arise out of it is one of fact.” (Citations omitted; internal quotation marks omitted.) Id., 541. The review division is, therefore, bound by the findings of fact made by the commissioner, unless additions, corrections or modifications of findings of fact are made pursuant to the narrow provision set forth in § 31-301 (a).12
Section 31-294 imposes a one year limitation for filing “repetitive trauma” claims and a three year limitation for filing “occupational disease” claims. The commissioner concluded that, regardless of whether the plaintiffs mental injury was an occupational disease or the result of repetitive trauma, the plaintiff satisfied both the one year and the three year filing limitations. The defendant argues that, because the plaintiff’s injury is the result of “repetitive trauma” and is not an “occupational disease” as defined by General Statutes (Rev. to 1989) § 31-275 (11),13 the one year limitation is applicable. The defendant further asserts that the plaintiff failed to give notice of his claim within the one year period. According to the defendant, the one year limitátion began to run on the plaintiff’s claim in June, 1987, when the plaintiff was suspended from his job. The defendant maintains that because the plaintiff was suspended from employment in June, 1987, the plaintiff had to have given timely notice of his claim [349]*349by June, 1988. The defendant asserts that, because the plaintiff had not given notice until September 21,1988, his claim was untimely. We disagree.
In assessing the issue of the timeliness of the plaintiffs claim, we will first inquire into whether the plaintiff has a compensable injury under the Workers’ Compensation Act (act) and, if so, whether that injury is an “occupational disease” or the result of “repetitive trauma.” The purpose of the act is to compensate employees for injuries “arising out of and in the course of employment,” without regard to fault, by imposing a form of strict liability on employers.14 Bakelaar v. West Haven, 193 Conn. 59, 67, 475 A.2d 283 (1984); Jett v. Dunlap, 179 Conn. 215, 217, 425 A.2d 1263 (1979); Klapproth v. Turner, 156 Conn. 276, 279, 240 A.2d 886 (1968). Consequently, to recover for an injury under the act, a plaintiff must prove that the injury is causally connected to the employment. To prove causal connection, a plaintiff must demonstrate that the injury claimed (1) “arose out of the employment,” and (2) “in the course of the employment.” Bakelaar v. West Haven, supra; McNamara v. Hamden, 176 Conn. 547, 556, 398 A.2d 1161 (1979). Proof that the injury “arose out of the employment” relates to the time, place and circumstances of the injury. McNamara v. Hamden, supra, 550. Proof that the injury occurred “in the course of the employment,” means that the “injury must occur (a) within the period of the employment; (b) at a place the employee may reasonably be; and (c) while the employee is reasonably fulfilling the duties of the employment or doing something incidental to it.” McNamara v. Hamden, supra, 550-51; Pagani v. BT II, [350]*350Limited Partnership, 24 Conn. App. 739, 745-46, 592 A.2d 397, cert. dismissed, 220 Conn. 902, 593 A.2d 968 (1991).
The commissioner found, and the review division affirmed, that the plaintiff had met both requirements of proof under the two-part test for causal connection. First, the plaintiffs mental injury “arose out of” his employment as a music teacher, in light of the time, place and circumstances of the injury. The plaintiffs mental injury resulted from the mental stress associated with allegations of his sexual misconduct, allegedly occurring during his music lessons at his place of employment, the Harriet Beecher Stowe Elementary School. Because of the causal connection existing between the injury and the employment, we uphold the finding that the injury arose out of the plaintiffs employment.
Second, the commissioner found that the plaintiffs mental injury occurred “in the course of” his employment as a music teacher. The requirements for satisfying this part are threefold. The plaintiffs “injury must [have] occurred:] (a) within the period of the employment; (b) at a place the employee may reasonably be; and (c) while the employee is reasonably fulfilling the duties of the employment or doing something incidental to it.” McNamara v. Hamden, supra, 550-51.
First, the plaintiff’s injury occurred within the period of his employment. Although the plaintiff was suspended in June, 1987, immediately after the allegations were made, he was not terminated until October 21, 1987. During this three month suspension period, while the plaintiff was still employed, several television and radio stations and newspapers reported the allegations. The commissioner found that the plaintiff’s injury was the result of mental stress associated with this publicity. Second, the commissioner found that the student, S, [351]*351had made damaging allegations against the plaintiff for conduct that she claimed had occurred at the lessons, a place where the plaintiff was supposed to be. Third, because the plaintiff’s conduct giving rise to S’s accusations occurred while he was giving lessons, the injury occurred while the plaintiff was attempting to fulfill his duties as a music teacher.
The commissioner found that the plaintiff, who was blind in his right eye, had had to lean over S to read her music book during S’s clarinet lessons and that he had occasionally and inadvertently touched her either to support himself or to get closer to the music book. Any touching, the commissioner found, had been for instructional purposes or through inadvertence during the music instruction. The accusations made against the plaintiff and the further publication of S’s unsubstantiated allegations had had a devastating effect on the plaintiff who then suffered stress, psychological decompensation and eventual breakdown.15 Accordingly, the commissioner correctly found that the plaintiff’s injury arose out of and in the course of his employment.
Having determined that the commissioner correctly concluded that the plaintiff’s injury was causally connected to his employment, the review division next addressed whether the injury constituted an “occupational disease” or was the direct result of “repetitive trauma . . . incident to employment.” The act defines [352]*352“injury” to include, “an injury to an employee which is causally connected with his employment and is the direct result of repetitive trauma or repetitive acts incident to such employment, and occupational disease as herein defined.” General Statutes (Rev. to 1989) § 31-275 (8). The plaintiff asserted and the commissioner concluded that the plaintiff’s mental injury fell into both the repetitive trauma and occupational disease classifications under the act. The review division ruled similarly. We conclude, however, that the plaintiff’s injury is only the result of “repetitive trauma” and not an “occupational disease.”
Section 31-275 (11) defines “occupational disease” to include “any disease peculiar to the occupation in which the employee was engaged and due to causes in excess of the ordinary hazards of employment as such and includes any disease due to or attributable to exposure to or contact with any radioactive material by an employee in the course of his employment.” In interpreting the phrase “occupational disease,” we have stated that “the requirement that the disease be ‘peculiar to the occupation’ and ‘in excess of the ordinary hazards of employment,’ refers to those diseases in which there is a causal connection between the duties of the employment and the disease contracted by the employee. In other words, [the disease] need not be unique to the occupation of the employee or to the work place; it need merely be ‘so distinctively associated with the employee’s occupation that there is a direct causal connection between the duties of the employment and the disease contracted.” Hansen v. Gordon, 221 Conn. 29, 35, 602 A.2d 560 (1992). Thus, an occupational disease “does not include a disease which results from the peculiar conditions surrounding the employment of the claimant in a kind of work which would not from its nature be more likely to cause it than would other kinds [353]*353of employment carried on under the same conditions.” Madeo v. I. Dibner & Bro., Inc., 121 Conn. 664, 667, 186 A. 616 (1936).
Application of these principles to the facts of this case reveals that the plaintiff did not suffer from an occupational disease. The plaintiffs mental injury is not so distinctively associated with his occupation as music teacher that there is a direct causal connection between his occupational duties and his mental injury. The plaintiffs mental injury resulted from mental stress associated with allegations of his sexual misconduct. Such allegations of sexual misconduct could arise in numerous occupational settings. Therefore, the occupation of music teacher is not by its nature more likely to give rise to allegations of sexual misconduct than would other kinds of employment carried on under similar conditions. Consequently, the commissioner incorrectly concluded that the plaintiffs mental injury constituted an occupational disease.
We conclude, however, that the commissioner reasonably found and the review division properly affirmed that the plaintiffs injury was the direct result of repetitive trauma incident to his occupation as music teacher. The commissioner found that the plaintiff had been the victim of repeated exposure to negative publicity between June, 1987, and October, 1987. In light of these findings, the commissioner reasonably concluded that the plaintiffs mental injury was the direct result of exposure to the repeated trauma of allegations of sexual misconduct during the plaintiffs employment.
Thus, the one year filing limitation under § 31-294 was properly applied to the plaintiffs claim. The commissioner concluded that the plaintiff had satisfied this applicable limit because he had filed his claim in September, 1988, within one year of his actual termination in October, 1987. The review division upheld the [354]*354commissioner’s determination, noting that, in repetitive trauma cases, it is settled law that the date of injury is the last day of exposure to the work related incidents of repetitive trauma, or the last day worked, whichever is later. See, e.g., Borent v. Connecticut, 10 Conn. Workers’ Comp. Rev. Op. 219, 1302 CRD-2-91-9 (1991); Carvalko v. Bassick Co., 9 Conn. Workers’ Comp. Rev. Op. 258, 767 CRD-4-88-9 (1991); Pich v. Pratt & Whitney, 4 Conn. Workers’ Comp. Rev. Op. 163, 354 CRD-6-84 (1988).
We accord great deference to the construction given to § 31-294 by the commissioner and the review division because they are both charged with its enforcement. Police Department v. State Board of Labor Relations, 225 Conn. 297, 300, 602 A.2d 1005 (1993); Board of Education v. State Board of Labor Relations, 217 Conn. 110, 119-20, 584 A.2d 1172 (1991). Thus, we conclude that the commissioner correctly relied on the plaintiff’s last day of employment in determining that he had satisfied the one year filing limitation. Although the plaintiff was suspended in June, 1987, the commissioner found that he had remained employed by the defendant and had continued to receive a full salary until he was terminated on October 21, 1987. Accordingly, the plaintiff’s last day of exposure to work-related publicity was October 21. The plaintiff filed notice of his repetitive trauma claim on September 22, 1988. Therefore, the commissioner correctly concluded that the plaintiff’s repetitive trauma claim, filed within one year of his last day of exposure, had been timely filed.
Ill
We next address the issue of whether the plaintiff’s mental injuries were compensable under § 31-294. The defendant argues that the injuries were not compensable because: (1) a mental injury resulting from a deviation from employment or willful and serious mis[355]*355conduct is not compensable; (2) a mental injury resulting from termination is not compensable; and (3) a mental injury unaccompanied by a physical component is not compensable.
A
Bound by the findings of fact made by the commissioner, the review division correctly adopted the commissioner’s findings that the plaintiff’s injury had occurred in the course of his employment, not from his termination and not from any willful or serious misconduct. On the basis of four days of testimony and exhibits, the commissioner found that the plaintiff had not touched S in any sexual or abusive manner and that any touching by him was for instructional purposes or through inadvertence during the music instruction.16 The defendant does not argue that these findings were unreasonable or that they were unsupported by the evidence. Rather, the defendant contends that the commissioner incorrectly precluded the introduction of testimony given on August 14,1987, by another of the plaintiff’s female students that, it maintains, might have caused the commissioner to find differently.17 We do not agree.
[356]*356The defendant had the burden of proving any allegation of willful and serious misconduct. Liptak v. State, 176 Conn. 320, 322, 407 A.2d 980 (1978). In its attempt to do so, the defendant offered testimony of several student witnesses, and a deposition testimony of Walter Borden, a psychiatrist, and conducted extensive cross-examination of the plaintiff. The only thing that the defendant was precluded from doing was introducing the transcript of testimony of a former student given at the termination hearing held in 1987 pursuant to General Statutes § 10-151. The commissioner sustained the plaintiff’s objection to the transcript because the defendant had not demonstrated a sufficient showing of the witness’ unavailability.
At the June 1,1990 hearing, the director of pupil services with the Enfield public schools, Robert F. Griffin, testified to the unavailability of this former student of the plaintiff who had testified at the 1987 termination hearing. Griffin stated that his “search” for the former student had consisted of two telephone calls to two unidentified secretaries at schools outside this state. In sustaining the commissioner’s decision to preclude the transcript of this other student’s testimony, the review division remarked: “That hardly satisfies the requirements of our case law. Certainly there was not sufficient compliance to cause us to rule that the commissioner’s exclusion of the evidence was error.” We agree with the review division’s assessment.
A requirement for the use of .former testimony is the present unavailability of the witness whose testimony is sought and the burden to demonstrate the witness’ unavailability rests with the party seeking to offer the former testimony. State v. Aillon, 202 Conn. 385, 391, 521 A.2d 555 (1987). “Due diligence to procure the attendance of the absent witness is an essential predicate to unavailability.” C. Tait & J. LaPlante, Connecticut Evidence (2d Ed. 1988) § 11.4.2, p. 326. Griffin [357]*357testified that the witness had moved to New Hampshire. He did not, however, do anything further to determine her availability. A witness residing in another state is not unavailable for that reason alone. State v. Leecan, 198 Conn. 517, 540, 504 A.2d 480, cert. denied, 476 U.S. 1184, 106 S. Ct. 2922, 91 L. Ed. 2d 550 (1986). The record does not indicate whether the jurisdiction in which the witness allegedly resides has a statute or common law process relating to attendance of witnesses in other states.18 See Barber v. Page, 390 U.S. 719, 723 n.4, 88 S. Ct. 1318, 20 L. Ed. 2d 255 (1968), and accompanying text; State v. Weinrib, 140 Conn. 247, 251, 99 A.2d 145 (1953). The commissioner, therefore, did not abuse his discretion in disallowing the transcript into evidence. Moreover, the commissioner gave the defendant more than one opportunity to produce the witness or sufficiently to show her unavailability. The defendant did not attempt to do so either on the day the issue initially surfaced or on the next hearing date one week later.
The commissioner, therefore, was well within the proper exercise of his discretion in concluding from all the evidence properly before him that the plaintiff had not engaged in any willful and serious misconduct, and the review division was bound to accept those findings.
B
The commissioner also concluded that the plaintiffs injury was not sustained as a result of his termination,19 [358]*358but rather arose out of his employment. The commissioner found that: the plaintiff had been suspended from his job of twenty years as a result of accusations made against him in June, 1987; various newspapers and television reports of these accusations had portrayed the plaintiff in a very negative light; these accusations had caused the plaintiff to suffer stress, anger, resentment, humiliation and loss of self-esteem; as a result of this stress and other emotional effects that emanated primarily from the accusations made against him and that arose out of and in the course of his employment, the plaintiff had undergone psychological decompensation that began at the time of the accusations made against him in June, 1987, and had resulted in a psychotic breakdown on December 25, 1987; these accusations in June 1987, had been the beginning of a continuum of psychological decompensation that did not fully impact on the plaintiff until on or about the time of his termination in October, 1987, and resulted in his psychiatric breakdown on December 25, 1987; and the attendant publicity had substantially and materially contributed to the breakdown the plaintiff suffered on December 25, 1987.
We conclude that the commissioner’s finding that the origins of the plaintiff’s injury arose out of his employment, although much of his incapacity did not occur until later, was firmly rooted in evidence and directly contradicts the defendant’s claim that the plaintiff’s injury arose not out of his employment but out of his termination. Accordingly, the defendant has not met its burden of demonstrating that the commissioner [359]*359abused his discretion in making these findings and that the review division improperly sustained them.
C
In its last claim, the defendant challenges the commissioner’s conclusion that a mental injury unaccompanied by a physical component is compensable under § 31-294, and argues, instead, that the physical component is essential. We are not persuaded.
Section 31-294 states that “[a]ny employee who has sustained an injury in the course of his employment” may make a claim for workers’ compensation benefits. “Injury” is defined in § 31-275 (8) as “an injury to an employee which is causally connected with his employment and is the direct result of repetitive trauma or repetitive acts incident to such employment, and occupational disease as herein defined.” Section 31-275 uses the term “injury” without limitation, and there is nothing in the statute to suggest the proposed limitation. The defendant can point to no case, nor can we find one, that has interpreted the statute to include such a limitation. This court has never hypothesized that mental injury alone could not be the subject of compensation provided that it is causally connected to the employee’s work. Moreover, decisions by the review division, the agency entrusted with interpreting and enforcing the act; Lieberman v. State Board of Labor Relations, 216 Conn. 253, 263, 579 A.2d 505 (1990); hold to the contrary. See Henderson v. Brink’s, Inc., 5 Conn. Workers’ Comp. Rev. Op. 115, 466 CRD-4-86 (1988); Zipoli v. Watertown, 3 Conn. Workers’ Comp. Rev. Op. 23, 215 CRD-5-83 (1986).
“The injuries compensated by the Act are not only those for which an action lay under the common law, but all injuries ‘arising out of and in the course of’ the employment of the injured.” Miller v. American Steel 6 Wire Co., 90 Conn. 349, 375, 97 A. 345 (1916). [360]*360“Injury,” as stated throughout the act is not defined exclusively as physical injury. “Neither are the words ‘incapacity’ or ‘disability’ when used in the statute confined exclusively to somatic conditions.” Henderson v. Brink’s, Inc., supra, 116. The absence of such limiting language in the rest of the statute, in contrast to the inclusion of such limiting language in General Statutes (Rev. to 1989) § 31-349,20 precluding liability under that section from being transferred if the previous impairment is mental or emotional, reflects the legislative intent. “[I]n reliance on the classic inclusio unius [est] exclusio alterius argument, (we conclude) that had the legislature wished to restrict compensable incapacity only to those occasions when some physical element was involved, it would have included in other chapter 568 sections similar restrictive language to that used in § 31-349.” Id.
In his treatise, Professor Larson discusses three categories of cases that address the various mental, nervous and stress conditions for which workers’ compensation claims are routinely made: “mental stimulus causing physical injury; physical trauma causing nervous injury; and mental stimulus causing nervous injury [‘mental-mental’ cases].” 1B A. Larson, The Law of Workmens’ Compensation (1992) § 42.20, p. 7-813. We have found compensability in the first two groups. McDonough v. Connecticut Bank & Trust Co., 204 Conn. 104, 527 A.2d 664 (1987); Sgritta v. Hertz Construction Co., 124 Conn. 6, 197 A. 754 (1938); see Donato v. Pantry Pride, 37 Conn. Sup. 836, 438 A.2d 1218 (1981). In Wilder v. Russell Library Co., 107 Conn. 56, 60-61, 139 A. 644 (1927), this court upheld an award for the “worry, anxiety and excessive ner[361]*361vous and mental activity in connection with the library work [that] were all contributing factors in the ultimate mental breakdown.”
There is a growing majority position among other jurisdictions supporting compensability in Larson’s third category. Johnson v. Delchamps, Inc., 715 F. Sup. 1345, 1346 (M.D. La. 1989), aff’d, 897 F.2d 808 (5th Cir. 1990); Cooper v. Workers’ Compensation Appeals Board, 173 Cal. App. 3d 44, 49, 218 Cal. Rptr. 783 (1985) ; Los Angeles v. Workers’ Compensation Appeals Board, 119 Cal. App. 3d 355, 363, 174 Cal. Rptr. 25 (1981); Stuart v. Frederick R. Ross Investment Co., 773 P.2d 1107 (Colo. App. 1988); Aurora v. Industrial Commission, 710 P.2d 1122 (Colo. App. 1985); O’Loughlin v. Circle A Construction, 112 Idaho 1048, 739 P.2d 347 (1987); Hansen v. Von Duprin, Inc., 496 N.E.2d 1348 (1986) , rev’d on other grounds, 507 N.E.2d 573 (Ind. 1987); Yocom v. Pierce, 534 S.W.2d 796 (Ky. 1976); Jones v. New Orleans, 514 So. 2d 611 (La. App. 1987); Carter v. General Motors Corporation, 361 Mich. 577, 586-91,106 N.W.2d 105 (1960); Simon v. R.H.H. Steel Laundry, Inc., 25 N. J. Super. 50, 95 A.2d 446, aff’d, 26 N.J. Super. 598, 98 A.2d 604 (1953); Candelaria v. General Electric Co., 105 N.M. 167, 730 P.2d 470 (1986); Martinez v. University of California, 93 N.M. 455, 601 P.2d 425 (1979); Brown v. Alos Micrographics Corporation, 150 App. Div. 2d 888, 540 N.Y.S.2d 911 (1989); Haydel v. Sears, Roebuck & Co., 106 App. Div. 2d 759, 483 N.Y.S.2d 792 (1984); McGarrah v. State Accident Ins. Fund, 59 Or. App. 448, 651 P.2d 153, aff’d, 296 Or. 145, 675 P.2d 159 (1983); Breeden v. Workmen’s Compensation Commissioner, 168 W. Va. 573, 285 S.E.2d 398 (1981); Baker v. Wendy’s of Montana, Inc., 687 P.2d 885 (Wyo. 1984); Consolidated Freightways v. Drake, 678 P.2d 874 (Wyo. 1984).21 In [362]*362fact, only “eight states have expressly ruled out liability in any kind of mental-mental case.” IB A. Larson, supra, § 42.25 (d), p. 7-963.
Finally, recent developments in tort law also reflect a broadening of the definition of a compensable injury to include emotional distress. In Montinieri v. Southern New England Telephone Co., 175 Conn. 337, 344, 398 A.2d 1180 (1978), we stated that “there is no logical reason for making a distinction, for purposes of determining liability, between those cases where the emotional distress results in bodily injury and those cases where there is emotional distress only.” Similarly, then Judge Borden stated in Buckley v. Lovallo, 2 Conn. App. 579, 589, 481 A.2d 1286 (1984), “[w]e see no reason to subject a claim of mental suffering, which is ordinarily evidenced by subjective complaints, to stricter scrutiny or greater care than a claim of physical suffering evidenced by the same type of complaints. Medical science has unquestionably become sophisticated enough to provide reliable and accurate evidence on the causes of mental trauma. . . . Medical science and mental health fields have advanced sufficiently to enable a trier of fact to determine the extent of mental suffering by the same standard of proof as physical suffering. ... A plaintiff need only establish a claim for mental or emotional distress by a fair preponderance of the evidence, unfettered by any additionally exacting gauge.” (Citations omitted; internal quotation marks omitted.) See Morris v. Hartford Courant Co., 200 Conn. 676, 683, 513 A.2d 66 (1986); Petyan v. Ellis, 200 Conn. 243, 253, 510 A.2d 1337 (1986). This line of authority is persuasive because it recognizes that “ ‘[t]he human body consists of bone, flesh, ligaments, and nerves controlled by the brain . . .’ and that ‘the fact that the stimulus is gradual, [363]*363in the form of sustained tension, worry, strain, frustration, or harassment, does not, in the opinion of the majority of the Courts that have dealt with the question, make nervous injury any less compensable than if it were caused by sudden shock.’ ” (Citations omitted.) Battista v. Chrysler Corporation, 517 A.2d 295, 297 (Del. Super. 1986).
Accordingly, we hold that mental disorders, even if not accompanied by physical trauma to the body, constitute an injury under the act. To hold otherwise would be to create an artificial distinction.
The judgment is affirmed.
In this opinion the other justices concurred.