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Seeing with the mind's eye: top-down, bottom-up, and conscious awareness


Ishai, A (2010). Seeing with the mind's eye: top-down, bottom-up, and conscious awareness. F1000 Biology Reports, 2:34.

Abstract

With the advent of functional brain imaging techniques and recent developments in the analysis of cortical connectivity, the focus of mental imagery studies has shifted from a semi-modular approach to an integrated cortical network perspective. Functional magnetic resonance imaging studies of visual imagery of faces and objects show that activation of content-specific representations stored in the ventral visual stream is top-down-modulated by parietal and frontal regions. Recent findings in patients with conscious awareness disorders reveal that mental imagery can be used to map patterns of residual cognitive function in their brain and to provide diagnostic and prognostic indicators.

Abstract

With the advent of functional brain imaging techniques and recent developments in the analysis of cortical connectivity, the focus of mental imagery studies has shifted from a semi-modular approach to an integrated cortical network perspective. Functional magnetic resonance imaging studies of visual imagery of faces and objects show that activation of content-specific representations stored in the ventral visual stream is top-down-modulated by parietal and frontal regions. Recent findings in patients with conscious awareness disorders reveal that mental imagery can be used to map patterns of residual cognitive function in their brain and to provide diagnostic and prognostic indicators.

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Item Type:Journal Article, not refereed, further contribution
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Neuroradiology
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2010
Deposited On:27 Feb 2011 14:16
Last Modified:05 Apr 2016 14:50
Publisher:Biology Reports Ltd
ISSN:1757-594X
Free access at:PubMed ID. An embargo period may apply.
Publisher DOI:https://doi.org/10.3410/B2-34
PubMed ID:20948800

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