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Facilitation of Detectability and Criterion by Automatic Temporal Expectation

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  • Gisele Pinheiro
  • Luiz Ribeiro-do-Valle

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.

Suggested Citation

  • Gisele Pinheiro & Luiz Ribeiro-do-Valle, 2011. "Facilitation of Detectability and Criterion by Automatic Temporal Expectation," International Journal of Psychological Studies, Canadian Center of Science and Education, vol. 3(2), pages 171-171, December.
    • Handle: RePEc:ibn:ijpsjl:v:3:y:2011:i:2:p:171
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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