Journal
NEUROSCIENCE LETTERS
Volume 469, Issue 3, Pages 411-415Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.neulet.2009.12.040
Keywords
Time perception; Duration discrimination; Functional magnetic resonance imaging; Higher-level cognitive processing; Lower-level cognitive processing
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Funding
- BMBF [01 IBC 01H, 01 GZ 0301]
- Volkswagen Foundation (Hannover, Germany)
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Analyses of neural mechanisms of duration processing are essential for the understanding of psychological phenomena which evolve in time. Different mechanisms are presumably responsible for the processing of shorter (below 500 ms) and longer (above 500 ms) events but have not yet been a subject of an investigation with functional magnetic resonance imaging (fMRI). In the present study, we show a greater involvement of several brain regions - including right-hemispheric midline structures and left-hemispheric lateral regions - in the processing of visual stimuli of shorter as compared to longer duration. We propose a greater involvement of lower-level cognitive mechanisms in the processing of shorter events as opposed to higher-level mechanisms of cognitive control involved in longer events. (C) 2009 Elsevier Ireland Ltd. All rights reserved.
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