Temporal constraints of the post-hypnotic word blindness suggestion on Stroop task performance.

Parris, B., Dienes, Z. and Hodgson, T. L., 2012. Temporal constraints of the post-hypnotic word blindness suggestion on Stroop task performance. Journal of Experimental Psychology: Human Perception & Performance, 38 (4), pp. 833-837.

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DOI: 10.1037/a0028131

Abstract

The present work investigated possible temporal constraints on the posthypnotic word blindness suggestion effect. In a completely within-subjects and counterbalanced design 19 highly suggestible individuals performed the Stroop task both with and without a post-hypnotic suggestion that they would be unable to read the word dimension of the Stroop stimulus, both when response-stimulus interval (RSI) was short (500ms) or equivalent to previous studies (3500ms). The suggestion reduced Stroop interference in the short RSI condition (54ms vs. 6ms) but not in the long RSI condition (52ms vs. 56ms), and did not affect Stroop facilitation. Our results suggest that response to the suggestion involves reactive top-down control processes that persist only if levels of activation can be maintained.

Item Type:Article
ISSN:0096-1523
Subjects:Psychology
Group:Faculty of Science and Technology
ID Code:20711
Deposited By: Dr Ben Parris
Deposited On:16 Feb 2013 18:45
Last Modified:10 Sep 2014 14:55

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