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J Neurophysiol. 2010 Jan;103(1):97-107. doi: 10.1152/jn.91323.2008. Epub 2009 Oct 28.

Responses of human medial temporal lobe neurons are modulated by stimulus repetition.

Author information

1
Department of Engineering, University of Leicester, Leicester, UK.

Abstract

Recent studies have reported the presence of single neurons with strong responses to visual inputs in the human medial temporal lobe. Here we show how repeated stimulus presentation--photos of celebrities and familiar individuals, landmark buildings, animals, and objects--modulates the firing rate of these cells: a consistent decrease in the neural activity was registered as images were repeatedly shown during experimental sessions. The effect of repeated stimulus presentation was not the same for all medial temporal lobe areas. These findings are consistent with the view that medial temporal lobe neurons link visual percepts to declarative memory.

PMID:
19864436
PMCID:
PMC2807242
DOI:
10.1152/jn.91323.2008
[Indexed for MEDLINE]
Free PMC Article

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