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Cerebral Cortex, Vol. 11, No. 3, 183-193, March 2001
© 2001 Oxford University Press

Feature Article: The Structure and Function of Dynamic Cortical and Thalamic Receptive Fields

Asif A. Ghazanfar and Miguel A. L. Nicolelis1

Primate Cognitive Neuroscience Laboratory, Department of Psychology, 33 Kirkland Street, Harvard University, Cambridge, MA 02138 and , 1 Department of Neurobiology, Box 3209, Duke University Medical Center, Durham, NC 27710, USA

Under natural conditions, animals must process spatiotemporally complex signals in order to guide adaptive behavior. It follows that the response properties of neurons should reflect the dynamic nature of such signals. Recently, several studies have demonstrated the existence of time-varying receptive fields in the auditory, visual and somatosensory thalamocortical pathways. The characteristics of these receptive fields suggest that they are constrained by the need to actively interpret time-varying stimuli. Here, we review these studies, the possible functions of these receptive fields, and how they might be generated in the thalamocortical pathway.


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