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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-3222

Ishai, A; Ungerleider, L G; Haxby, J V (2000). Distributed neural systems for the generation of visual images. Neuron, 28(3):979-990.

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Visual perception of houses, faces, and chairs evoke differential responses in ventral temporal cortex. Using fMRI, we compared activations evoked by perception and imagery of these object categories. We found content-related activation during imagery in extrastriate cortex, but this activity was restricted to small subsets of the regions that showed category-related activation during perception. Within ventral temporal cortex, activation during imagery evoked stronger responses on the left whereas perception evoked stronger responses on the right. Additionally, visual imagery evoked activity in parietal and frontal cortex, but this activity was not content related. These results suggest that content-related activation during imagery in visual extrastriate cortex may be implemented by "top-down" mechanisms in parietal and frontal cortex that mediate the retrieval of face and object representations from long-term memory and their maintenance through visual imagery.


330 citations in Web of Science®
350 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Neuroradiology
Dewey Decimal Classification:610 Medicine & health
Deposited On:13 Mar 2009 14:18
Last Modified:05 Apr 2016 12:26
Publisher DOI:10.1016/S0896-6273(00)00168-9
PubMed ID:11163281

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