Systematic underreproduction of time is independent of judgment certainty

Riemer, M., Rhodes, D. ORCID: 0000-0001-5859-4567 and Wolbers, T., 2016. Systematic underreproduction of time is independent of judgment certainty. Neural Plasticity, 2016, p. 6890674. ISSN 2090-5904

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We recently proposed that systematic underreproduction of time is caused by a general judgment bias towards earlier responses, instead of reflecting a genuine misperception of temporal intervals. Here we tested whether this bias can be explained by the uncertainty associated with temporal judgments. We applied transcranial magnetic stimulation (TMS) to inhibit neuronal processes in the right posterior parietal cortex (PPC) and tested its effects on time discrimination and reproduction tasks. The results show increased certainty for discriminative time judgments after PPC inhibition. They suggest that the right PPC plays an inhibitory role for time perception, possibly by mediating the multisensory integration between temporal stimuli and other quantities. Importantly, this increased judgment certainty had no influence on the degree of temporal underreproduction. We conclude that the systematic underreproduction of time is not caused by uncertainty for temporal judgments.

Item Type: Journal article
Publication Title: Neural Plasticity
Creators: Riemer, M., Rhodes, D. and Wolbers, T.
Publisher: Hindawi
Date: January 2016
Volume: 2016
ISSN: 2090-5904
6890674Publisher Item Identifier
Divisions: Schools > School of Social Sciences
Record created by: Jonathan Gallacher
Date Added: 29 Aug 2017 15:46
Last Modified: 29 Aug 2017 15:50

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