Modifications of electrogastrographic activity during the viewing of brief film sequences

The experiment assessed the effects of two film sequences, a pleasant documentary and a distressful scene, on electrogastrographic (EGG), electromyographic (EMG), and heart-rate responses during digestion by 30 healthy students. The physiological measures were recorded before and during the projecti...

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Bibliographic Details
Published inPerceptual and motor skills Vol. 82; no. 3 Pt 2; p. 1243
Main Authors Baldaro, B, Battacchi, M W, Codispoti, M, Tuozzi, G, Trombini, G, Bolzani, R, Palomba, D
Format Journal Article
LanguageEnglish
Published United States 01.06.1996
Subjects
Adult
Arousal - physiology
Autonomic Nervous System - physiology
Digestion - physiology
Electrodiagnosis - instrumentation
Electromyography - instrumentation
Emotions - physiology
Female
Heart Rate
Humans
Male
Microcomputers
Motion Pictures
Signal Processing, Computer-Assisted
Stomach - physiology
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Summary:The experiment assessed the effects of two film sequences, a pleasant documentary and a distressful scene, on electrogastrographic (EGG), electromyographic (EMG), and heart-rate responses during digestion by 30 healthy students. The physiological measures were recorded before and during the projection of each film sequence. At the end of each viewing period, subjects completed a self-rating questionnaire on the emotional experience. Analysis yielded a significant increase in heart-rate and EMG values during the viewing of the film sequences and a significant decrease in amplitude of the 3 cycles per minute (cpm) wave of EGG during the unpleasant film. The type of film sequence had also a statistically significant effect on the self-ratings of emotional states.
ISSN:0031-5125
DOI:10.2466/pms.1996.82.3c.1243