Hemispheric difference in activation patterns of human auditory-associated cortex: An fMRI study

Juen Haur Hwang, Chang Wei Wu, Pao Hsuan Chou, Tien Chen Liu, Jyr Horng Chen

研究成果: 雜誌貢獻文章同行評審

12 引文 斯高帕斯(Scopus)

摘要

The purpose of this study was to demonstrate interhemispheric differences in activation patterns of the auditory-associated cortex elicited by a series of sounds. Functional magnetic resonance imaging was performed while different sounds were presented binaurally to 10 healthy subjects with normal hearing. Characteristic activation patterns were elicited although variability was shown between subjects. The activation number was significantly higher on the right than on the left side for non-speech (but not for speech) stimulations. As stimulation increased in complexity (from a pure tone to white noise to ocean wave sounds to classical music), the activation pattern of the superior temporal lobe became more pronounced in both hemispheres while that of the auditory cortex tended to become more sustained and concentrated on the right rather than on the left side. No hemispheric differences in activation pattern were seen in response to speech.
原文英語
頁(從 - 到)242-246
頁數5
期刊ORL
67
發行號4
DOIs
出版狀態已發佈 - 十一月 25 2005
對外發佈Yes

ASJC Scopus subject areas

  • Otorhinolaryngology

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