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Nat Neurosci. 2008 May;11(5):541-2. doi: 10.1038/nn.2111. Epub 2008 Apr 13.

Reduction of stimulus visibility compresses apparent time intervals.

Author information

1
NTT Communication Science Laboratories, Nippon Telegraph and Telephone Corporation, 3-1 Morinosato Wakamiya, Atsugi, Kanagawa, 243-0198, Japan. masahiko_terao@mac.com

Abstract

The neural mechanisms underlying visual estimation of subsecond durations remain unknown, but perisaccadic underestimation of interflash intervals may provide a clue as to the nature of these mechanisms. Here we found that simply reducing the flash visibility, particularly the visibility of transient signals, induced similar time underestimation by human observers. Our results suggest that weak transient responses fail to trigger the proper detection of temporal asynchrony, leading to increased perception of simultaneity and apparent time compression.

PMID:
18408716
DOI:
10.1038/nn.2111
[Indexed for MEDLINE]

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