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Lookup NU author(s): Dr Jason Warren,
Dr Gary Green,
Professor Tim GriffithsORCiD
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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.
Author(s): Warren JD; Green GGR; Griffiths TD; Zielinski BA; Rauschecker JP
Publication type: Article
Publication status: Published
ISSN (print): 0896-6273
ISSN (electronic): 1097-4199
Publisher: Cell Press
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