The Attention Modulation on Timing: An Event-Related Potential Study

Yunzhe Liu, Dandan Zhang, Jing Ma, Dan Li, Huazhan Yin and Yuejia Luo

PLOS ONE, 2013, vol. 8, issue 6, 1-

Abstract: The present study examined the neural mechanisms of attention modulation on timing using ERP and sLORETA measurements in a dual-task paradigm. We parametrically varied the attention to the durations of a 1000-Hz pure tone and further localized the cortical regions that were sensitive to the attention modulation on timing. Results demonstrated that the attention modulation might happen at early stage, approximately 200 ms after stimulus presentation. The P2 component at frontal area served as an early neural correlate of attention effects on timing. More importantly, the contingent negative variation (CNV) appeared at fronto-central area was sensitive to the attention effect. In addition, the supplementary motor area (SMA) was assumed to be one of the key regions for selectively attending to and estimating time. These findings provide temporal and spatial correlates of attention-modulated time processing and potentially help to investigate the neural mechanisms of patients with time perception deficits.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0066190

DOI: 10.1371/journal.pone.0066190

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