Superior discrimination between similar stimuli after simultaneous exposure.

The Quarterly Journal of Experimental Psychology : QJEP
Matthew Edward MundyDominic M Dwyer

Abstract

Human participants received unsupervised exposure to difficult-to-discriminate chequerboard stimuli (e.g., AX and BX), before learning a discrimination between them. Experiment 1 demonstrated that prior exposure enhanced later discrimination and that intermixed exposure (AX, BX, AX, BX ...) resulted in better subsequent discrimination than did blocked exposure (CY, CY ... DY, DY ...). Experiment 2 showed that simultaneous exposure to two similar stimuli (AX-BX, BX-AX ...) facilitated the later acquisition of a successive discrimination, more than successive exposure (AX-AX, BX-BX ...). These results parallel those observed by Mundy, Honey, and Dwyer (2007) who used pictures of human faces as stimuli and establish the generality of the fact that simultaneous exposure produces a particularly marked perceptual learning effect.

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Citations

May 28, 2013·Behavioural Processes·Rocío Angulo, Gumersinda Alonso
Mar 26, 2014·Neuroscience and Biobehavioral Reviews·Luke M Montuori, Robert C Honey
Oct 2, 2012·Behavioural Processes·Rocío Angulo, Gumersinda Alonso
Sep 5, 2015·The Quarterly Journal of Experimental Psychology : QJEP·Anton NavarroGumersinda Alonso
Jan 20, 2018·The Quarterly Journal of Experimental Psychology : QJEP·Sergio A RecioIsabel de Brugada
Feb 1, 2017·Journal of Cognitive Neuroscience·Jodie Davies-ThompsonJason J S Barton
Jan 20, 2021·Psychonomic Bulletin & Review·Gregory I Hughes, Ayanna K Thomas

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