Temporal constraints of the word blindness posthypnotic suggestion on Stroop task performance

Parris, Benjamin A. and Dienes, Zoltan and Hodgson, Timothy L. (2012) Temporal constraints of the word blindness posthypnotic suggestion on Stroop task performance. Journal of Experimental Psychology: Human Perception and Performance, 38 (4). pp. 833-837. ISSN 0096-1523

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Official URL: http://dx.doi.org/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 posthypnotic suggestion that they
would be unable to read the word dimension of the Stroop stimulus, both when response–stimulus
interval (RSI) was short (500 ms) or equivalent to previous studies (3500 ms). The suggestion
reduced Stroop interference in the short RSI condition (54 vs. 6 ms) but not in the long RSI condition
(52 vs. 56 ms), 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
Keywords:stroop, suggestion, hypnosis, control, attention
Subjects:C Biological Sciences > C830 Experimental Psychology
Divisions:College of Social Science > School of Psychology
ID Code:6052
Deposited By: Timothy Hodgson
Deposited On:17 Aug 2012 13:18
Last Modified:27 Feb 2014 09:03

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