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Forward blocking depends on retrospective inferences about the presence of the blocked cue during the elemental phase.

Forward blocking depends on retrospective inferences about the presence of the blocked cue during the elemental phase.
Forward blocking depends on retrospective inferences about the presence of the blocked cue during the elemental phase.
When a compound cue AT is followed by an outcome (AT+), human participants will judge the relation between cue T and the outcome to be less strong if A alone was previously paired with the outcome (A+). According to the probabilistic contrast model, such a blocking effect is due to the fact that participants regard the A+ trials as trials on which A and the outcome are present but T is absent. The results of two studies showed that when the status of T was ambiguous during the A+ trials, judgments about T depended on subsequent information about the presence of T during the A+ trials. These findings support the probabilistic contrast model but are incompatible with the (revised) Rescorla–Wagner (Rescorla & Wagner, 1972) model.
0090-502X
24-33
De Houwer, J.
570b3809-4982-4a8f-8f72-77fc6b4ff09e
De Houwer, J.
570b3809-4982-4a8f-8f72-77fc6b4ff09e

De Houwer, J. (2002) Forward blocking depends on retrospective inferences about the presence of the blocked cue during the elemental phase. Memory & Cognition, 30 (1), 24-33.

Record type: Article

Abstract

When a compound cue AT is followed by an outcome (AT+), human participants will judge the relation between cue T and the outcome to be less strong if A alone was previously paired with the outcome (A+). According to the probabilistic contrast model, such a blocking effect is due to the fact that participants regard the A+ trials as trials on which A and the outcome are present but T is absent. The results of two studies showed that when the status of T was ambiguous during the A+ trials, judgments about T depended on subsequent information about the presence of T during the A+ trials. These findings support the probabilistic contrast model but are incompatible with the (revised) Rescorla–Wagner (Rescorla & Wagner, 1972) model.

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Published date: January 2002

Identifiers

Local EPrints ID: 55487
URI: http://eprints.soton.ac.uk/id/eprint/55487
ISSN: 0090-502X
PURE UUID: 42fbcc0a-755e-4027-954b-7735e7a94680

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Date deposited: 31 Jul 2008
Last modified: 13 Mar 2019 20:36

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