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Curr Opin Neurobiol. 1997 Aug;7(4):554-61.

What fMRI has taught us about human vision.

Author information

1
Laboratory of Brain and Cognition, Building 10, Room 4C104, 10 Center Drive, Bethesda, Maryland, 20892-1366, USA. susan_courtney@nih.gov

Abstract

The recent application of functional magnetic resonance imaging (fMRI) to visual studies has begun to elucidate how the human visual system is anatomically and functionally organized. Bottom-up hierarchical processing among visual cortical areas has been revealed in experiments that have correlated brain activations with human perceptual experience. Top-down modulation of activity within visual cortical areas has been demonstrated through studies of higher cognitive processes such as attention and memory.

PMID:
9287197
DOI:
10.1016/s0959-4388(97)80036-0
[Indexed for MEDLINE]

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