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January 2022

Temporal judgments on intervals containing stimuli of varying quantity, complexity and periodicity

Journal/Book: Acta Psychol. 1996; 92: PO Box 211, 1000 AE Amsterdam, Netherlands. Elsevier Science BV. 297-308.

Abstract: The 'attentional' model of psychological time predicts an inverse relationship between nontemporal information processing and subjective duration in the second or minute range. To produce this effect, periodically presented stimuli of varying quantity and/or complexity have generally been used. However, the possible effect of the periodic distribution of stimuli has been overshadowed. The present experiment was meant to manipulate simultaneously regularity, quantity and complexity in a dual-task paradigm involving both word categorization and reproduction of duration (18 s) under prospective conditions. The results indicate that (1) an aperiodic stimulus distribution elicits shorter temporal reproductions than a periodic distribution, (2) the smallest quantity of stimuli elicits the shortest temporal reproductions, and (3) an increase in the stimulus complexity generally elicits a shortening in temporal reproductions, but changes in processing strategies may counteract this effect.

Note: Article F Macar, CNRS, Equipe Temps, Cognit Neurosci Lab, F-13402 Marseille 20, France

Keyword(s): time perception; brief durations; attention; human subjects; TIME PERCEPTION; INTERNAL CLOCK; PROCESSING DEMANDS; OSCILLATOR; DURATION

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