Neural Bases for Individual Differences in the Subjective Experience of Short Durations (Less than 2 Seconds)

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Abstract

The current research was designed to establish whether individual differences in timing performance predict neural activation in the areas that subserve the perception of short durations ranging between 400 and 1600 milliseconds. Seventeen participants completed both a temporal bisection task and a control task, in a mixed fMRI design. In keeping with previous research, there was increased activation in a network of regions typically active during time perception including the right supplementary motor area (SMA) and right pre-SMA and basal ganglia (including the putamen and right pallidum). Furthermore, correlations between neural activity in the right inferior frontal gyrus and SMA and timing performance corroborate the results of a recent meta-analysis and are further evidence that the SMA forms part of a neural clock that is responsible for the accumulation of temporal information. Specifically, subjective lengthening of the perceived duration were associated with increased activation in both the right SMA (and right pre-SMA) and right inferior frontal gyrus. © 2013 Tipples et al.

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Tipples, J., Brattan, V., & Johnston, P. (2013). Neural Bases for Individual Differences in the Subjective Experience of Short Durations (Less than 2 Seconds). PLoS ONE, 8(1). https://doi.org/10.1371/journal.pone.0054669

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