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J Neurophysiol 94: 2251-2254, 2005. First published May 31, 2005; doi:10.1152/jn.00329.2005
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REPORT

Sensitivity to Voice in Human Prefrontal Cortex

Shirley Fecteau1,2, Jorge L. Armony3, Yves Joanette1,2 and Pascal Belin1,2

1Département de Psychologie, Université de Montréal, Montreal; 2Institut Universitaire de Gériatrie de Montréal, Montreal; and 3Douglas Hospital Research Centre, McGill University, Montreal, Canada

Submitted 30 March 2005; accepted in final form 28 May 2005

We report two functional MRI (fMRI) experiments showing sensitivity to human voice in a region of human left inferior prefrontal cortex, pars orbitalis. The voice-enhanced response was observed for speech as well as nonlinguistic vocalizations and was stronger for emotional than neutral vocalizations. This region could constitute a human prefrontal auditory domain similar to the one recently identified in the macaque brain.

Address for reprint requests and other correspondence: S. Fecteau, Dept. de Psychologie, Univ. de Montréal, C.P. 6128, Succ. Centre-ville, Montreal, Quebec H3C 3J7, Canada (E-mail: shirley.fecteau{at}umontreal.ca)




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