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Electrodermal responsivity in young hypotensive and hypertensive men

Electrodermal responsivity in young hypotensive and hypertensive men

Psychophysiology 27(6): 649-655

Electrodermal responses were recorded during the presentation of 16 moderately intense (1000 Hz, 90dB) tones in three groups of young men: borderline hypertensives (138/79 mmHg), normotensives (112/65 mmHg), and hypotensive (104/63 mmHg). Electrodermal responses habituation was measured as a decline in response over trials, number of trials to a response criterion of three successive nonresponses, aand number of inversions of response amplitude (larger responses following smaller responses) in the stimulus sequence. Habituation was fastest in hypotensives. Nonspecific electrodermal responses at rest and during tone presentations were most frequent in borderline hypertensives, least frequent in the hypotensive group, with the normotensive group falling in between. There were no significant differences in electrodermal level. The rapid habituation rate in hypotensives is discussed in terms of cursory information processing associated with impulsve behaviour. The higher nonspecific electrodermal activity in borderline hypertensive is interpreted to indicate increased sympathetic nervous system activity.

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Accession: 007292897

Download citation: RISBibTeXText

PMID: 2100350

DOI: 10.1111/j.1469-8986.1990.tb03187.x

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