Dynamic adaptation to history of trial difficulty explains the effect of congruency proportion on masked priming

Sachiko Kinoshita, Michael C. Mozer, Kenneth I Forster

Research output: Contribution to journalArticle

56 Citations (Scopus)

Abstract

In reaction time research, there has been an increasing appreciation that response-initiation processes are sensitive to recent experience and, in particular, the difficulty of previous trials. From this perspective, the authors propose an explanation for a perplexing property of masked priming: Although primes are not consciously identified, facilitation of target processing by a related prime is magnified in a block containing a high proportion of related primes and a low proportion of unrelated primes relative to a block containing the opposite mix (Bodner & Masson, 2001). In the present study, this phenomenon is explored with a parity (even/odd) decision task in which a prime (e.g., 2) precedes a target that can be either congruent (e.g., 4) or incongruent (e.g., 3). It is shown that the effect of congruence proportion with masked primes cannot be explained in terms of the blockwise prime-target contingency. Specifically, with masked primes, there is no congruency disadvantage in a block containing a high proportion of incongruent primes, but there is a congruency advantage when the block contains an equal proportion of congruent and incongruent primes. In qualitative contrast, visible primes are sensitive to the blockwise prime-target contingency. The authors explain the relatedness proportion effect found with masked primes in terms of a model according to which response-initiation processes adapt to the statistical structure of the environment, specifically the difficulty of recent trials. This account is supported with an analysis at the level of individual trials using the linear mixed effects model.

Original languageEnglish (US)
Pages (from-to)622-636
Number of pages15
JournalJournal of Experimental Psychology: General
Volume140
Issue number4
DOIs
StatePublished - Nov 2011

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Parity
Research
History
Proportion
Masked Priming

Keywords

  • Contingency learning
  • Masked priming
  • Memory recruitment account
  • Prime validity
  • Proportion effect

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Psychology(all)
  • Developmental Neuroscience
  • Arts and Humanities (miscellaneous)

Cite this

Dynamic adaptation to history of trial difficulty explains the effect of congruency proportion on masked priming. / Kinoshita, Sachiko; Mozer, Michael C.; Forster, Kenneth I.

In: Journal of Experimental Psychology: General, Vol. 140, No. 4, 11.2011, p. 622-636.

Research output: Contribution to journalArticle

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