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Nature Neuroscience
Article
License: implied-oa
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PubMed Central
Article . 2012
Data sources: PubMed Central
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Nature Neuroscience
Article . 2012 . Peer-reviewed
License: Springer TDM
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Activity recall in a visual cortical ensemble

Authors: Xu, Shengjin; Jiang, Wanchen; Poo, Mu-ming; Dan, Yang;

Activity recall in a visual cortical ensemble

Abstract

Cue-triggered recall of learned temporal sequences is an important cognitive function that has been attributed to higher brain areas. Here recordings in both anesthetized and awake rats demonstrate that after repeated stimulation with a moving spot that evoked sequential firing of an ensemble of primary visual cortex (V1) neurons, just a brief flash at the starting point of the motion path was sufficient to evoke a sequential firing pattern that reproduced the activation order evoked by the moving spot. The speed of recalled spike sequences may reflect the internal dynamics of the network rather than the motion speed. In awake rats, such recall was observed during a synchronized ('quiet wakeful') brain state having large-amplitude, low-frequency local field potential (LFP) but not in a desynchronized ('active') state having low-amplitude, high-frequency LFP. Such conditioning-enhanced, cue-evoked sequential spiking of a V1 ensemble may contribute to experience-based perceptual inference in a brain state-dependent manner.

Country
United States
Keywords

Male, Eye Movements, Motion Perception, Action Potentials, Article, Psychology, Animals, Anesthesia, Rats, Long-Evans, Wakefulness, Eye Disease and Disorders of Vision, Evoked Potentials, Visual Cortex, Neurons, Brain Mapping, Neurology & Neurosurgery, Biomedical and Clinical Sciences, Neurosciences, Long-Evans, Electroencephalography, Rats, Mental Recall, Biological psychology, Evoked Potentials, Visual, Cognitive Sciences, Female, Cues, Visual, Photic Stimulation

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    selected citations
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    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    150
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 1%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 1%
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
150
Top 1%
Top 10%
Top 1%
Green
hybrid