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Comparable effects of nicotine in smokers and nonsmokers on a prospective memory task

Rusted, Jennifer M. and Trawley, Steven 2006, Comparable effects of nicotine in smokers and nonsmokers on a prospective memory task, Neuropsychopharmacology, vol. 31, no. 7, pp. 1545-1549.

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Title Comparable effects of nicotine in smokers and nonsmokers on a prospective memory task
Author(s) Rusted, Jennifer M.
Trawley, StevenORCID iD for Trawley, Steven orcid.org/0000-0002-0917-730X
Journal name Neuropsychopharmacology
Volume number 31
Issue number 7
Start page 1545
End page 1549
Total pages 5
Publisher Nature Publishing Group
Place of publication London, England
Publication date 2006
ISSN 0893-133X
1740-634X
Keyword(s) nicotine
prospective memory
working memory
attention
arousal
Summary In a double-blind placebo-controlled study, we examined the effect of nicotine, a cholinergic agonist, on performance of a prospective memory (ProM) task in young adult volunteers.

Volunteers were required to complete an ongoing lexical decision task while maintaining the ProM task (responding with a different button press to items containing particular target letters). Half of the volunteers were smokers, half were nonsmokers. Half of each group received a single dose (1 mg) of nicotine nasal spray before completing the task; the remaining volunteers received a matched inactive placebo spray.

Nicotine improved performance on the ProM task when volunteers were able to devote resources to that task. Under a variant procedure, where volunteers completed a concurrent auditory monitoring task, ProM performance was impaired under nicotine. Results are discussed in terms of the resource model of ProM, and the arousal model of drug effects.

The data suggest that ProM under the conditions tested here is a resource-needy process, and that nicotine can improve performance by increasing available resources. Increased working memory demands that encourage redirection of resources may impair ProM performance, but the conditions under which these deficits emerge depend upon the subjective allocation of resources across tasks, rather than resource availability per se.
Language eng
Field of Research 170101 Biological Psychology (Neuropsychology, Psychopharmacology, Physiological Psychology)
Socio Economic Objective 970117 Expanding Knowledge in Psychology and Cognitive Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2006, Nature publishing Group
Persistent URL http://hdl.handle.net/10536/DRO/DU:30057874

Document type: Journal Article
Collection: School of Psychology
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Created: Thu, 14 Nov 2013, 15:57:25 EST by Steven Trawley

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