Document Detail

The physiological experience of the Paced Auditory Serial Addition Task (PASAT): does the PASAT induce autonomic arousal?
MedLine Citation:
PMID:  15163455     Owner:  NLM     Status:  MEDLINE    
Previous research suggests that the Paced Auditory Serial Attention Task (PASAT) alters mood states, which may induce performance changes and complicate interpretation test scores. In the current design, we examined arousal as one mechanism moderating PASAT performance. It was expected that arousal level would increase during the test, and performance on the test would be related to arousal level. Heart rate and blood pressure (systolic and diastolic) were recorded from 42 healthy adult men during rest and PASAT challenge. Heart rate and blood pressure were significantly higher and stable across the PASAT procedure, while performance scores showed a steady decrease in correct responses. No association of arousal level and performance was found. Although, PASAT induced arousal changes were not significantly related to performance among healthy adults, the observed arousal changes do raise concerns about interpretation of PASAT performance among more sensitive populations and indicate new areas of application of the procedure.
Charles W Mathias; Matthew S Stanford; Rebecca J Houston
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Publication Detail:
Type:  Clinical Trial; Journal Article    
Journal Detail:
Title:  Archives of clinical neuropsychology : the official journal of the National Academy of Neuropsychologists     Volume:  19     ISSN:  0887-6177     ISO Abbreviation:  Arch Clin Neuropsychol     Publication Date:  2004 Jun 
Date Detail:
Created Date:  2004-05-27     Completed Date:  2004-11-02     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9004255     Medline TA:  Arch Clin Neuropsychol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  543-54     Citation Subset:  IM    
Copyright Information:
Copyright 2003 National Academy of Neuropsychology
Neurobehavioral Research Laboratory and Clinic, University of Texas Health Science Center at Houston, Houston, TX, USA.
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MeSH Terms
Arousal / physiology*
Autonomic Nervous System / physiology*
Blood Pressure
Heart Rate
Mental Processes / physiology*
Neuropsychological Tests*
Reference Values
Reproducibility of Results
Task Performance and Analysis*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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