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Titolo:
Fear and anxiety: divergent effects on human pain thresholds
Autore:
Rhudy, JL; Meagher, MW;
Indirizzi:
Texas A&M Univ, Dept Psychol, College Stn, TX 77843 USA Texas A&M Univ College Stn TX USA 77843 sychol, College Stn, TX 77843 USA
Titolo Testata:
PAIN
fascicolo: 1, volume: 84, anno: 2000,
pagine: 65 - 75
SICI:
0304-3959(200001)84:1<65:FAADEO>2.0.ZU;2-K
Fonte:
ISI
Lingua:
ENG
Soggetto:
ENVIRONMENTALLY INDUCED HYPOALGESIA; STRESS-INDUCED ANALGESIA; DECISION-THEORY ANALYSIS; SIGNAL-DETECTION; ANTICIPATORY ANXIETY; INHIBITORY CONTROLS; STARTLE REFLEX; BRAIN-STEM; NALOXONE; SHOCK;
Keywords:
fear; anxiety; stress; analgesia; hyperalgesia; pain;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
76
Recensione:
Indirizzi per estratti:
Indirizzo: Meagher, MW Texas A&M Univ, Dept Psychol, College Stn, TX 77843 USA Texas A&M Univ College Stn TX USA 77843 ege Stn, TX 77843 USA
Citazione:
J.L. Rhudy e M.W. Meagher, "Fear and anxiety: divergent effects on human pain thresholds", PAIN, 84(1), 2000, pp. 65-75

Abstract

Animal studies suggest that fear inhibits pain whereas anxiety enhances it; however it is unclear whether these effects generalize to humans. The present study examined the effects of experimentally induced fear and anxiety on radiant heat pain thresholds. Sixty male and female human subjects were randomly assigned to 1 of 3 emotion induction conditions: (1) fear, inducedby exposure to three brief shocks; (2) anxiety, elicited by the threat of shock; (3) neutral, with no intervention. Pain thresholds were tested before and after emotion induction. Results suggest that findings from animal studies extend to humans: fear resulted in decreased pain reactivity, while anxiety led to increased reactivity. Pain rating data indicated that participants used consistent subjective criteria to indicate pain thresholds. Bothsubjective and physiological indicators (skin conductance level, heart rate) confirmed that the treatment conditions produced the targeted emotional states. These results support the view that emotional states modulate humanpain reactivity. (C) 2000 International Association for the Study of Pain. Published by Elsevier Science B.V.

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Documento generato il 18/01/20 alle ore 01:44:10