Stimulus intensity and novelty interact in elicitation of the phasic electrodermal orienting response. 1993

R J Barry, and J J Furedy
School of Education Studies, University of New South Wales, Kensington, Australia.

For many years, it has been well-accepted that the amplitude of the phasic orienting response is directly dependent on both stimulus intensity and novelty, at least within innocuous intensity ranges. Surprisingly, the joint contribution of these stimulus parameters has not been convincingly specified in the literature. A two-step analytical procedure, which is logically necessary to provide a valid solution to the problem, is outlined. Data are then presented which demonstrate that there is a multiplicative relationship between the two parameters in their joint determination of response amplitude. That is, stimulus intensity and novelty interact in the production of the phasic electrodermal orienting response to innocuous stimuli.

UI MeSH Term Description Entries
D008297 Male Males
D005712 Galvanic Skin Response A change in electrical resistance of the skin, occurring in emotion and in certain other conditions. Electric Conductance, Skin,Electrodermal Response,Reflex, Psychogalvanic,Skin Electric Conductance,Conductance, Skin Electric,Conductances, Skin Electric,Electric Conductances, Skin,Electrodermal Responses,Galvanic Skin Responses,Psychogalvanic Reflex,Response, Electrodermal,Response, Galvanic Skin,Responses, Electrodermal,Responses, Galvanic Skin,Skin Response, Galvanic,Skin Responses, Galvanic
D006185 Habituation, Psychophysiologic The disappearance of responsiveness to a repeated stimulation. It does not include drug habituation. Habituation (Psychophysiology),Habituation, Psychophysiological,Psychophysiologic Habituation,Psychophysiological Habituation,Habituations (Psychophysiology)
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000161 Acoustic Stimulation Use of sound to elicit a response in the nervous system. Auditory Stimulation,Stimulation, Acoustic,Stimulation, Auditory
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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