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| Research article summary (published 30 Oct 2002): |
Social users of alcohol and cannabis who detect substance-related changes in a change blindness paradigm report higher levels of use than those detecting substance-neutral changes.
Full Abstract
RATIONALE:
Understanding the cognitions underpinning substance use has stalled using the Stroop paradigm.
OBJECTIVE:
To employ a novel version of the flicker paradigm for induced change blindness to independently compare information processing biases in social users of alcohol and cannabis.
METHOD:
Alcohol and cannabis experiments were independently run. In both, participants were asked to view successively and repeatedly on a monitor two versions of a visual scene (an original and a slightly changed version) until the change was detected. In fact, in both experiments two simultaneous changes competed for detection:
a substance-neutral and a substance-related change.
RESULTS:
In both the alcohol and the cannabis experiments, participants detecting the substance-related change reported higher levels of use than those detecting the substance-neutral change.
CONCLUSION:
A substance-related processing bias was independently revealed for both substances. The utility of the flicker paradigm for substance use research is demonstrated as sensitive and quick to administer (taking only 1 min).
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Author information
Author/s: Jones, Ben C (BC); Jones, Barry T (BT); Blundell, Laura (L); Bruce, Gillian (G);
Affiliation: School of Psychology, University of St. Andrews, UK. bcj(-atsign-)st-andrews.ac.uk
Journal and publication information
Publication Type: Comparative Study; Journal Article
Journal: Psychopharmacology (Psychopharmacology (Berl)), published in Germany. (Language: eng)
Reference: 2002-Dec; vol 165 (issue 1) : pp 93-6
Dates: Created 2002/12/10; Completed 2003/03/20; Revised 2006/11/15;
PMID: 12474123, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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