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Temporal accuracy and variability in the left and right posterior parietal cortex

Vicario, C.M ; Martino, D ; Koch, G

Neuroscience, 15 August 2013, Vol.245, pp.121-128 [Peer Reviewed Journal]

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  • Title:
    Temporal accuracy and variability in the left and right posterior parietal cortex
  • Author: Vicario, C.M ; Martino, D ; Koch, G
  • Description: •We submitted two groups of healthy adults either to right or left PPC tDCS.•We examined their performance in a suprasecond time reproduction task.•Cathodal stimulation upon the right PPC affected temporal accuracy.•Cathodal stimulation upon the left PPC affected temporal variability.•Results suggest that both left and right PPC play a role in time processing. Several brain-imaging and lesion studies have suggested a role for the posterior parietal cortex (PPC) in computing interval-timing tasks. PPC also seems to have a key role in modulating visuospatial mechanisms, which are known to affect temporal performance. By applying transcranial direct current stimulation (tDCS) over the left and right PPC, we aimed to modulate timing ability performance in healthy humans performing a cognitively controlled timing task. In two separate experiments we compared time-processing abilities of two groups of healthy adults submitted to anodal, cathodal or sham tDCS over...
  • Is Part Of: Neuroscience, 15 August 2013, Vol.245, pp.121-128
  • Identifier: ISSN: 0306-4522 ; E-ISSN: 1873-7544 ; DOI: 10.1016/j.neuroscience.2013.04.041
  • Subjects: Tdcs ; Time Reproduction ; Suprasecond Intervals ; Posterior Parietal Cortex ; Temporal Accuracy ; Temporal Variability ; Cv ; Ltp ; Ppc ; Rtms ; SD ; Tdcs ; Tdcs ; Anatomy & Physiology
  • Language: English

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