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Perception of sound-source motion by the human brain

Lookup NU author(s): Dr Jason Warren, Dr Gary Green, Professor Tim GriffithsORCiD

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Abstract

We assessed the human brain network for sound-motion processing using the same virtual stimulus in three independent functional imaging experiments. All experiments show a bilateral posterior network of activation, including planum temporale (PT) and parieto-temporal operculum (PTO). This was demonstrated in contrasts between sound movement and two control conditions: externalized stationary stimuli (in the midline or to the side of the head) and midline sounds within the head with similar spectro-temporal structure. We suggest specific computational mechanisms in PT for disambiguation of the intrinsic spectro-temporal features of a sound and the spectro-temporal effect of sound movement. The results support the existence of a posteriorly directed temporo-parietal pathway for obligatory perceptual processing of sound-source motion.

Publication metadata

Author(s): Warren JD; Green GGR; Griffiths TD; Zielinski BA; Rauschecker JP

Publication type: Article

Publication status: Published

Journal: Neuron

Year: 2002

Volume: 34

Issue: 1

Pages: 139-148

ISSN (print): 0896-6273

ISSN (electronic): 1097-4199

Publisher: Cell Press

URL: http://dx.doi.org/10.1016/S0896-6273(02)00637-2

DOI: 10.1016/S0896-6273(02)00637-2

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