Excluding blood pressure as the relevant variable modulating perceptual-motor functioning

Autor(en): Velden, M
Wolk, C
Stichwörter: Behavioral Sciences; Cardiac & Cardiovascular Systems; Cardiovascular System & Cardiology
Erscheinungsdatum: 1996
Herausgeber: CIANS-HOMEOSTASIS
Journal: HOMEOSTASIS IN HEALTH AND DISEASE
Volumen: 37
Ausgabe: 1-2
Startseite: 67
Seitenende: 71
Zusammenfassung: 
Beat to beat measurement of blood pressure by the method of Penaz in a reaction time experiment showed a change pattern opposite to the one shown by heart rate. In particular there is a sharp increase in blood pressure in the anticipation period before the stimulus to which a response has to be made. In the theoretical context of the `'baroreceptor hypothesis'' this means that blood pressure cannot be the variable instrumental in the modulation of perceptual-motor functioning. It is assumed that the sharp drop in heart rate during the anticipation period may have a desynchronizing effect on EEG-alpha activity and by that constitutes a mechanism facilitating perceptual-motor functioning.
ISSN: 09607560

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