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    성별과 지각된 스트레스 수준에 따른 건청 대학생들의 청각특성 연구 = A Study of Auditory Characteristics by Sex and Perceived Stress Levelin University Students with Normal Hearing

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    https://www.riss.kr/link?id=T17540495

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    다국어 초록 (Multilingual Abstract) kakao i 다국어 번역

    Stress is a common psychological and physiological response, and its impact may vary depending on how individuals perceive and cope with everyday demands. Perceived stress may be associated with physiological regulation, attention, and sensory information processing. University students are an appropriate group for examining perceived stress because they are in the transition from adolescence to adulthood. They are also frequently exposed to stress from academic demands, career preparation, and interpersonal relationships. Therefore, this study aimed to investigate the characteristics of auditory function according to sex and perceived stress level in young adults with normal hearing.
    A total of 66 university students aged 20-29 years (33 males, 33 females; mean age 24.21 ± 2.30) participated in this study. Participants were classified into low, medium, and high stress groups based on the Korean Perceived Stress Scale-10 (K-PSS-10), with 22 participants in each group. Auditory function was evaluated using extended high-frequency audiometry (9–20 kHz), the binaural speech reception threshold (SRT) of the Korean Digits-in-Noise (K-DIN) test, and the latency and amplitude measures of auditory brainstem response (ABR) at 90 and 80 dB nHL. Data were analyzed using two-way analysis of variance (ANOVA) with the significance level set at .05.
    The results showed limited differences in extended high-frequency hearing thresholds according to perceived stress level. A significant stress-group effect was found only at 10 kHz in the right ear, where the medium stress group showed higher thresholds than the low and high stress groups. However, no consistent differences were observed at the other individual frequencies or in the band-averaged extended high-frequency thresholds. The binaural K-DIN SRT showed no significant effects of sex, stress group, or their interaction.
    For the ABR results, significant findings were observed primarily in latency measures. Significant sex effects were observed in several ABR latency measures, with males generally showing longer latencies than females. Stress-group effects were found in several ABR latency measures, including Wave III absolute latency at 90 dB nHL in the right ear, Wave V absolute latency at both 90 and 80 dB nHL, and the right III–V and I–V interpeak latencies. Significant sex-by-stress group interactions were also observed for Wave III absolute latency in the left ear and Wave V amplitude in the left ear, although the follow-up analyses for Wave V amplitude were not significant.
    These findings suggest that auditory function characteristics may vary according to sex and perceived stress level, even in young adults with normal hearing. However, the pattern of findings varied depending on the auditory measures used in this study. Extended high-frequency hearing thresholds and K-DIN performance showed limited or non-significant findings, whereas ABR latency measures showed relatively more noticeable differences. Therefore, perceived stress level may be associated with certain auditory neural timing-related measures, but the findings should be interpreted as associations rather than direct effects of stress.
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    Stress is a common psychological and physiological response, and its impact may vary depending on how individuals perceive and cope with everyday demands. Perceived stress may be associated with physiological regulation, attention, and sensory informa...

    Stress is a common psychological and physiological response, and its impact may vary depending on how individuals perceive and cope with everyday demands. Perceived stress may be associated with physiological regulation, attention, and sensory information processing. University students are an appropriate group for examining perceived stress because they are in the transition from adolescence to adulthood. They are also frequently exposed to stress from academic demands, career preparation, and interpersonal relationships. Therefore, this study aimed to investigate the characteristics of auditory function according to sex and perceived stress level in young adults with normal hearing.
    A total of 66 university students aged 20-29 years (33 males, 33 females; mean age 24.21 ± 2.30) participated in this study. Participants were classified into low, medium, and high stress groups based on the Korean Perceived Stress Scale-10 (K-PSS-10), with 22 participants in each group. Auditory function was evaluated using extended high-frequency audiometry (9–20 kHz), the binaural speech reception threshold (SRT) of the Korean Digits-in-Noise (K-DIN) test, and the latency and amplitude measures of auditory brainstem response (ABR) at 90 and 80 dB nHL. Data were analyzed using two-way analysis of variance (ANOVA) with the significance level set at .05.
    The results showed limited differences in extended high-frequency hearing thresholds according to perceived stress level. A significant stress-group effect was found only at 10 kHz in the right ear, where the medium stress group showed higher thresholds than the low and high stress groups. However, no consistent differences were observed at the other individual frequencies or in the band-averaged extended high-frequency thresholds. The binaural K-DIN SRT showed no significant effects of sex, stress group, or their interaction.
    For the ABR results, significant findings were observed primarily in latency measures. Significant sex effects were observed in several ABR latency measures, with males generally showing longer latencies than females. Stress-group effects were found in several ABR latency measures, including Wave III absolute latency at 90 dB nHL in the right ear, Wave V absolute latency at both 90 and 80 dB nHL, and the right III–V and I–V interpeak latencies. Significant sex-by-stress group interactions were also observed for Wave III absolute latency in the left ear and Wave V amplitude in the left ear, although the follow-up analyses for Wave V amplitude were not significant.
    These findings suggest that auditory function characteristics may vary according to sex and perceived stress level, even in young adults with normal hearing. However, the pattern of findings varied depending on the auditory measures used in this study. Extended high-frequency hearing thresholds and K-DIN performance showed limited or non-significant findings, whereas ABR latency measures showed relatively more noticeable differences. Therefore, perceived stress level may be associated with certain auditory neural timing-related measures, but the findings should be interpreted as associations rather than direct effects of stress.

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    목차 (Table of Contents)

    • I. 서론 1
    • 1. 연구의 배경 및 목적 1
    • 2. 연구 문제 6
    • II. 이론적 배경 7
    • 1. 스트레스와 일상생활 7
    • I. 서론 1
    • 1. 연구의 배경 및 목적 1
    • 2. 연구 문제 6
    • II. 이론적 배경 7
    • 1. 스트레스와 일상생활 7
    • 가. 스트레스 정의 7
    • 나. 스트레스 유형과 현황 9
    • (1) 생활영역별 스트레스 9
    • (2) 생애주기에 따른 스트레스 10
    • (3) 국내 스트레스 인지율 11
    • 다. 만성 스트레스와 생리학적 기전 13
    • (1) 만성 스트레스와 생리적 반응 13
    • (2) 만성 스트레스와 생리적 기전 14
    • 2. 스트레스와 대학생활 18
    • 가. 대학생 삶의 현실 18
    • (1) 전환기로서의 대학생활 18
    • (2) 학업과 경제활동의 병행 19
    • 나. 대학생 스트레스의 주요 영역과 현황 19
    • (1) 대학생의 일상생활 스트레스 19
    • (2) 대학생의 진로·취업 스트레스 21
    • 다. 대학생 스트레스의 효과 23
    • (1) 정신건강 및 학업 기능에 미치는 효과 23
    • (2) 신체·수면 및 행동적 대처에 미치는 효과 23
    • 3. 스트레스 검사 척도 25
    • 가. 사회재적응평가척도 25
    • 나. 스트레스 증상 체크리스트 26
    • 다. 지각된 스트레스 척도 27
    • 4. 스트레스와 청각기능 29
    • 가. 스트레스와 말초청각기능 29
    • (1) 순음청력검사와 고주파수 청력 29
    • (2) 초고주파수 청력 31
    • (3) 스트레스와 말초청각기능의 관련성 33
    • 나. 스트레스와 소음 하 어음인지 35
    • (1) 소음 하 어음인지 평가의 임상적 의미 35
    • (2) 정상청력인의 소음 하 어음인지능력 36
    • (3) 스트레스와 소음 하 어음인지의 관련성 37
    • 다. 스트레스와 중추청각신경계 40
    • (1) 청성뇌간반응의 임상적 의미 40
    • (2) 스트레스와 중추청각처리의 관련성 41
    • (3) 스트레스와 청성뇌간반응의 관련성 42
    • III. 연구 방법 44
    • 1. 연구 대상 44
    • 2. 연구 방법 및 절차 47
    • 3. 자료 분석 및 통계 처리 49
    • IV. 연구 결과 50
    • 1. 성별과 스트레스 수준에 따른 초고주파수대역 청력역치 차이 50
    • 가. 초고주파수의 청력역치 57
    • 나. 초고주파수 평균 청력역치의 분류 66
    • 2. 성별과 스트레스 수준에 따른 소음 하 어음인지 결과 차이 73
    • 3. 성별과 스트레스 수준에 따른 청성뇌간반응의 절대잠복기 차이 77
    • 가. 90 dB nHL 조건의 청성뇌간반응 절대잠복기 차이 77
    • 나. 80 dB nHL 조건의 청성뇌간반응 Ⅴ파 절대잠복기 차이 87
    • 4. 성별과 스트레스 수준에 따른 청성뇌간반응의 파간잠복기 차이 92
    • 5. 성별과 스트레스 수준에 따른 청성뇌간반응의 진폭 차이 101
    • V. 논의 및 결론 106
    • 1. 성별과 스트레스 수준에 따른 초고주파수대역 청력역치 106
    • 2. 성별과 스트레스 수준에 따른 소음 하 어음인지 108
    • 3. 성별과 스트레스 수준에 따른 청성뇌간반응 잠복기와 진폭 110
    • 4. 한계점 및 추후 연구 필요성 114
    • 참 고 문 헌 117
    • <부록 1> 149
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