대한청각학회지 (Korean Journal of Audiology)

  • 제25권3호
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  • Pages.119-123
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  • 2021
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  • 2092-9862(pISSN)
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  • 2093-3797(eISSN)
대한청각학회 (The Korean Audiology Society)
권호 표지
DOI QR코드

DOI QR Code

Enhancement of Processing Capabilities of Hippocampus Lobe: A P300 Based Event Related Potential Study

  • Benet, Neelesh (Department of Audiology and Speech-Language Pathology, Amity University Haryana) ;
  • Krishna, Rajalakshmi (All India Institute of Speech and Hearing) ;
  • Kumar, Vijay (Department of Audiology and Speech-Language Pathology, Amity University Haryana)
  • 투고 : 2021.01.22
  • 심사 : 2021.04.08
  • 발행 : 2021.07.20
⟨ 이전 논문 다음 논문 ⟩

초록

Background and Objectives: The influence of music training on different areas of the brain has been extensively researched, but the underlying neurobehavioral mechanisms remain unknown. In the present study, the effects of training for more than three years in Carnatic music (an Indian form of music) on the discrimination ability of different areas of the brain were tested using P300 analysis at three electrode placement sites. Subjects and Methods: A total of 27 individuals, including 13 singers aged 16-30 years (mean±standard deviation, 23±3.2 years) and 14 non-singers aged 16-30 years (mean age, 24±2.9 years), participated in this study. The singers had 3-5 years of formal training experience in Carnatic music. Cortical activities in areas corresponding to attention, discrimination, and memory were tested using P300 analysis, and the tests were performed using the Intelligent Hearing System. Results: The mean P300 amplitude of the singers at the Fz electrode placement site (5.64±1.81) was significantly higher than that of the non-singers (3.85±1.60; t(25)=3.3, p<0.05). The amplitude at the Cz electrode placement site in singers (5.90±2.18) was significantly higher than that in non-singers (3.46±1.40; t(25)=3.3, p<0.05). The amplitude at the Pz electrode placement site in singers (4.94±1.89) was significantly higher than that in non-singers (3.57±1.50; t(25)=3.3, p<0.05). Among singers, the mean P300 amplitude was significantly higher in the Cz site than the other placement sites, and among non-singers, the mean P300 amplitude was significantly higher in the Fz site than the other placement sites, i.e., music training facilitated enhancement of the P300 amplitude at the Cz site. Conclusions: The findings of this study suggest that more than three years of training in Carnatic singing can enhance neural coding to discriminate subtle differences, leading to enhanced discrimination abilities of the brain, mainly in the generation site corresponding to Cz electrode placement.

키워드

과제정보

The support provided by Amity University Haryana and All India Institute of Speech and hearing Mysuru, Karnataka is acknowledged.

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