Cited by 357Stress Responses and CortisolMemory and Neural MechanismsHeart Rate Variability and Autonomic Control

Somatic Effects of Predictable and Unpredictable Shock

Weiss, Jay M.·1970·Psychosomatic Medicine

Abstract

Four experiments examined the effects of stressor predictability on a variety of stress responses, such as stomach ulceration, plasma corticosterone concentration and body weight changes. Rats that received electric shocks unpredictably showed greater somatic stress reactions and more stress-induced pathology than animals that received the same shocks but could predict their occurrence by a signal. Subjects in the Unpredictable and Predictable shock conditions received shock simultaneously through fixed body electrodes wired in series, thus insuring that shock was always of exactly the same intensity and duration for the 2 groups. The results point up the importance of psychologic variables in affecting stress by showing that consequences of the same physical stressor can be markedly altered by psychologic factors such as predictability.

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Crossref · 10.1097/00006842-197007000-00008

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Authors
Weiss, J. M.
Affiliations
Rockefeller University (US)
Corresponding author
Weiss, Jay M.
Venue
Psychosomatic Medicine
Published
1970-07
Volume
32
Issue
4
Pages
397-408
ISSN
0033-3174 (ISSN-L)
OpenAlex
W2327517022
Cited by
357
References
0
Citations by year
2026: 1 · 2025: 3 · 2024: 5 · 2023: 6 · 2022: 7 · 2021: 6 · 2020: 10 · 2019: 3 · 2018: 7 · 2017: 4 · 2016: 9 · 2015: 5 · 2014: 5 · 2013: 8 · 2012: 10
FWCI
7.57
Type
journal article
Language
en
Open access
closed
Locations
  • Psychosomatic Medicine (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Rate Variability and Autonomic Control
Keywords
stressor predictability, psychosomatic stress response, gastric ulcer, plasma corticosterone, weight change, rats, electric shock stress
MeSH terms
Animals, Auditory Perception, Behavior, Animal, Body Temperature, Body Weight, Corticosterone, Defecation, Drinking Behavior, Electrodes, Electroshock, Feeding Behavior, Humans, Male, Motor Activity, Probability, Stomach, Stomach Ulcer, Stress, Psychological, Visual Perception, Rats

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