Repetition priming results in sensitivity attenuation

Fredrik Allenmark, Yi Fang Hsu, Cedric Roussel, Florian Waszak

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Repetition priming refers to the change in the ability to perform a task on a stimulus as a consequence of a former encounter with that very same item. Usually, repetition results in faster and more accurate performance. In the present study, we used a contrast discrimination protocol to assess perceptual sensitivity and response bias of Gabor gratings that are either repeated (same orientation) or alternated (different orientation). We observed that contrast discrimination performance is worse, not better, for repeated than for alternated stimuli. In a second experiment, we varied the probability of stimulus repetition, thus testing whether the repetition effect is due to bottom-up or top-down factors. We found that it is top-down expectation that determines the effect. We discuss the implication of these findings for repetition priming and related phenomena as sensory attenuation. This article is part of a Special Issue entitled SI: Prediction and Attention.

Original languageEnglish
Pages (from-to)211-217
Number of pages7
JournalBrain Research
Volume1626
DOIs
Publication statusPublished - 2015 Nov 11

Fingerprint

Repetition Priming
Aptitude
Discrimination (Psychology)

Keywords

  • Prediction
  • Repetition suppression
  • SDT

ASJC Scopus subject areas

  • Neuroscience(all)
  • Molecular Biology
  • Clinical Neurology
  • Developmental Biology

Cite this

Repetition priming results in sensitivity attenuation. / Allenmark, Fredrik; Hsu, Yi Fang; Roussel, Cedric; Waszak, Florian.

In: Brain Research, Vol. 1626, 11.11.2015, p. 211-217.

Research output: Contribution to journalArticle

Allenmark, Fredrik ; Hsu, Yi Fang ; Roussel, Cedric ; Waszak, Florian. / Repetition priming results in sensitivity attenuation. In: Brain Research. 2015 ; Vol. 1626. pp. 211-217.
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