Abstract:
:In the Perruchet effect, there is a concurrent dissociation between participants' conditioned responses (CRs) and their expectancy of the unconditioned stimulus (US) across runs of repeated trials. The effect has been taken as evidence for multiple learning processes, but this conclusion follows only if the CR trend is the result of learning. Two experiments examined the role of US recency in generating the observed CR trend. A standard Perruchet condition was compared with a control condition in which US recency was controlled by presenting the US on every trial. The associative contribution was maintained by varying the temporal relationship between the CS and the US. In both experiments the pattern of CRs seen in the Perruchet condition was absent in the control condition, suggesting that the eyeblink trend in the Perruchet effect may be due to a non-associative performance factor such as priming or sensitization arising from recent US presentations.
journal_name
Biol Psycholjournal_title
Biological psychologyauthors
Weidemann G,Lovibond PFdoi
10.1016/j.biopsycho.2016.06.007subject
Has Abstractpub_date
2016-09-01 00:00:00pages
1-10eissn
0301-0511issn
1873-6246pii
S0301-0511(16)30198-3journal_volume
119pub_type
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