Facilitation of Detectability and Criterion by Automatic Temporal Expectation

Gisele Pinheiro and Luiz Ribeiro-do-Valle

International Journal of Psychological Studies, 2011, vol. 3, issue 2, 171

Abstract: The presentation of an auditory stimulus immediately before a visual target stimulus shortens reaction time. Thiseffect has been attributed to the facilitation of decisional and/or motor processes by automatic temporalexpectation. The present study examined the possibility that automatic temporal expectation also facilitatessensory processing. Eighteen young adults performed a simple task, which required detecting a thresholdluminance small ring presented at fixation. In half of the trials, a low intensity tone preceded this target stimulus by200 ms. Accuracy was evaluated for the cue absent and the cue present trials. Detectability (d-prime) was higherand criterion (C) lower for the cue present condition than for the cue absent trials. These results indicate thatautomatic temporal expectation facilitates visual processing and confirm its facilitatory influence on decisionalprocesses.

Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:ibn:ijpsjl:v:3:y:2011:i:2:p:171

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