Please use this identifier to cite or link to this item: https://doi.org/10.1152/jn.01094.2010
Title: Spatial pattern of BOLD fMRI activation reveals cross-modal information in auditory cortex
Authors: Hsieh, P.-J. 
Colas, J.T.
Kanwisher, N.
Keywords: Feedback
Hierarchical inference
Top-down modulation
Issue Date: 15-Jun-2012
Citation: Hsieh, P.-J., Colas, J.T., Kanwisher, N. (2012-06-15). Spatial pattern of BOLD fMRI activation reveals cross-modal information in auditory cortex. Journal of Neurophysiology 107 (12) : 3428-3432. ScholarBank@NUS Repository. https://doi.org/10.1152/jn.01094.2010
Abstract: Recent findings suggest that neural representations in early auditory cortex reflect not only the physical properties of a stimulus, but also high-level, top-down, and even cross-modal information. However, the nature of cross-modal information in auditory cortex remains poorly understood. Here, we used pattern analyses of fMRI data to ask whether early auditory cortex contains information about the visual environment. Our data show that 1) early auditory cortex contained information about a visual stimulus when there was no bottom-up auditory signal, and that 2) no influence of visual stimulation was observed in auditory cortex when visual stimuli did not provide a context relevant to audition. Our findings attest to the capacity of auditory cortex to reflect high-level, top-down, and cross-modal information and indicate that the spatial patterns of activation in auditory cortex reflect contextual/implied auditory information but not visual information per se. © 2012 the American Physiological Society.
Source Title: Journal of Neurophysiology
URI: http://scholarbank.nus.edu.sg/handle/10635/124695
ISSN: 00223077
DOI: 10.1152/jn.01094.2010
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