Document Detail


Idiodynamic profiles of cardiovascular activity: a P-technique approach.
MedLine Citation:
PMID:  15119379     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A study was conducted to expand the conventional view of cardiovascular (CV) reactivity by using the idiodynamic paradigm for investigation of individuals. Patterns of autonomic CV regulation were assessed in six subjects across diverse laboratory tasks on three separate occasions. Individual CV profiles were derived from these data with P-technique factor analysis, and then group aggregated with chain P-technique. The composite pattern suggested a three-component solution consisting of cardiac rate, cardiac contractility, and peripheral resistance factors. Individual profiles were compared to the composite pattern; these profiles differed in the number of components derived, percentage variance explained by these components, and relative dominance of specific CV components. A hypothesis that emerged is that the subjects differed in the complexity of CV control. It appears that the idiodynamic framework, combined with novel research designs and statistical methods, may help expand the view of CV reactivity beyond the traditional unitary view as response magnitude.
Authors:
Bruce H Friedman; Aimee K Santucci
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Publication Detail:
Type:  Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Integrative physiological and behavioral science : the official journal of the Pavlovian Society     Volume:  38     ISSN:  1053-881X     ISO Abbreviation:  Integr Physiol Behav Sci     Publication Date:    2003 Oct-Dec
Date Detail:
Created Date:  2004-05-03     Completed Date:  2004-07-28     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  9105843     Medline TA:  Integr Physiol Behav Sci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  295-315     Citation Subset:  IM    
Affiliation:
Department of Psychology, Virginia Polytechnic Institute and State University, Blacksburg 24061-0436, USA. bhfriedm@vt.edu
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MeSH Terms
Descriptor/Qualifier:
Adult
Autonomic Nervous System / physiology*
Cardiovascular Physiological Phenomena*
Emotions / physiology*
Female
Heart Rate*
Hemodynamics
Humans
Individuality*
Models, Cardiovascular
Models, Psychological
Principal Component Analysis
Psychological Theory
Psychology, Experimental / methods
Psychometrics / methods
Reference Values

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


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