Top-Down Feedback Controls the Cortical Representation of Illusory Contours in Mouse Primary Visual Cortex.
Kanizsa
illusion
optogenetics
silicon probes
top-down feedback
visual cortex
Journal
The Journal of neuroscience : the official journal of the Society for Neuroscience
ISSN: 1529-2401
Titre abrégé: J Neurosci
Pays: United States
ID NLM: 8102140
Informations de publication
Date de publication:
15 01 2020
15 01 2020
Historique:
received:
16
08
2019
revised:
29
10
2019
accepted:
15
11
2019
pubmed:
4
12
2019
medline:
21
7
2020
entrez:
4
12
2019
Statut:
ppublish
Résumé
Visual systems have evolved to recognize and extract features from complex scenes using limited sensory information. Contour perception is essential to this process and can occur despite breaks in the continuity of neighboring features. Such robustness of the animal visual system to degraded or occluded shapes may also give rise to an interesting phenomenon of optical illusions. These illusions provide a great opportunity to decipher neural computations underlying contour integration and object detection. Kanizsa illusory contours have been shown to evoke responses in the early visual cortex despite the lack of direct receptive field activation. Recurrent processing between visual areas has been proposed to be involved in this process. However, it is unclear whether higher visual areas directly contribute to the generation of illusory responses in the early visual cortex. Using behavior,
Identifiants
pubmed: 31792152
pii: JNEUROSCI.1998-19.2019
doi: 10.1523/JNEUROSCI.1998-19.2019
pmc: PMC6961994
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
648-660Informations de copyright
Copyright © 2020 the authors.
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