Idiodynamic profiles of cardiovascular activity: a P-technique approach.
Integr Physiol Behav Sci
; 38(4): 295-315, 2003.
Article
em En
| MEDLINE
| ID: mdl-15119379
ABSTRACT
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.
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Base de dados:
MEDLINE
Assunto principal:
Sistema Nervoso Autônomo
/
Fenômenos Fisiológicos Cardiovasculares
/
Emoções
/
Frequência Cardíaca
/
Individualidade
Tipo de estudo:
Prognostic_studies
Limite:
Adult
/
Female
/
Humans
Idioma:
En
Revista:
Integr Physiol Behav Sci
Assunto da revista:
CIENCIAS DO COMPORTAMENTO
/
NEUROLOGIA
/
PSICOFISIOLOGIA
Ano de publicação:
2003
Tipo de documento:
Article
País de afiliação:
Estados Unidos