New fMRI methods for hearing and speech

Acoustical Science and Technology

Alan R. Palmer¹  Deb A. Hall¹  John Chambers¹ 

[1] MRC Institute of Hearing Research

关键词: Magnetic resonance imaging;    Auditory;    Sound system;   

DOI  :  10.1250/ast.27.125

学科分类：声学和超声波

来源: Acoustical Society of Japan

【 摘 要 】

References(34)Cited-By(1)In this short review, we outline the challenges presented by the hostile environment for auditory fMRI. There are two main elements to this: the high level magnetic fields and the intense sound generated by the scanner operation. We then describe a series of techniques that have been employed to minimize the effects of the scanner noise on the subject and upon the subject’s evoked responses to sound stimuli. These include scanner designs, passive attenuation, use of specifically designed scanning sequences, specially designed sound delivery systems and active noise control. Finally, we briefly describe the use of some of these in combination to allow measurement of sound activation of different brain areas non-invasively using fMRI.

【 授权许可】

Unknown