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  Imagery and perception share cortical representations of content and location

Cichy, R. M., Heinzle, J., & Haynes, J.-D. (2012). Imagery and perception share cortical representations of content and location. Cerebral Cortex, 22(2), 372-380. doi:10.1093/cercor/bhr106.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-0281-B Version Permalink: http://hdl.handle.net/21.11116/0000-0004-5C23-E
Genre: Journal Article

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Cichy_2012_Imagery.pdf (Publisher version), 588KB
 
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 Creators:
Cichy, Radoslaw M.1, 2, Author
Heinzle, Jakob1, Author
Haynes, John-Dylan1, 2, 3, Author              
Affiliations:
1Bernstein Center for Computational Neuroscience, Berlin, Germany, ou_persistent22              
2Berlin School of Mind and Brain, Humboldt University Berlin, Germany, ou_persistent22              
3Max Planck Fellow Research Group Attention and Awareness, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634553              

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Free keywords: High-level vision; Imagery; Multivoxel pattern classification
 Abstract: Visual imagery allows us to vividly imagine scenes in the absence of visual stimulation. The likeness of visual imagery to visual perception suggests that they might share neural mechanisms in the brain. Here, we directly investigated whether perception and visual imagery share cortical representations. Specifically, we used a combination of functional magnetic resonance imaging (fMRI) and multivariate pattern classification to assess whether imagery and perception encode the “category” of objects and their “location” in a similar fashion. Our results indicate that the fMRI response patterns for different categories of imagined objects can be used to predict the fMRI response patters for seen objects. Similarly, we found a shared representation of location in low-level and high-level ventral visual cortex. Thus, our results support the view that imagery and perception are based on similar neural representations.

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Language(s): eng - English
 Dates: 2011-06-102012-02
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1093/cercor/bhr106
PMID: 21666128
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Title: Cerebral Cortex
Source Genre: Journal
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Publ. Info: New York, NY : Oxford University Press
Pages: - Volume / Issue: 22 (2) Sequence Number: - Start / End Page: 372 - 380 Identifier: ISSN: 1047-3211
CoNE: https://pure.mpg.de/cone/journals/resource/954925592440