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Titolo:
Sensory and affective dimensions of phasic pain are indistinguishable in the self-report and psychophysiology of normal laboratory subjects
Autore:
Chapman, CR; Nakamura, Y; Donaldson, GW; Jacobson, RC; Bradshaw, DH; Flores, L; Chapman, CN;
Indirizzi:
Univ Utah, Sch Med, Dept Anesthesiol, Pain Res Ctr, Salt Lake City, UT 84108 USA Univ Utah Salt Lake City UT USA 84108 s Ctr, Salt Lake City, UT 84108 USA Univ Washington, Dept Anesthesiol, Seattle, WA 98195 USA Univ Washington Seattle WA USA 98195 t Anesthesiol, Seattle, WA 98195 USA Fred Hutchinson Canc Res Ctr, Div Clin Res, Seattle, WA 98104 USA Fred Hutchinson Canc Res Ctr Seattle WA USA 98104 , Seattle, WA 98104 USA
Titolo Testata:
JOURNAL OF PAIN
fascicolo: 5, volume: 2, anno: 2001,
pagine: 279 - 294
SICI:
1526-5900(200110)2:5<279:SAADOP>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
AFFECTIVE COMPONENTS; GENDER DIFFERENCES; VISUAL ANALOG; CLINICAL PAIN; RESPONSES; SCALES; REPRESENTATION; UNPLEASANTNESS; INTENSITY;
Keywords:
pain; sensory; affective; psychophysiology; self-report; task demand;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
44
Recensione:
Indirizzi per estratti:
Indirizzo: Chapman, CR Univ Utah, Sch Med, Dept Anesthesiol, Pain Res Ctr, 615 Arapeen Dr,Suite 200, Salt Lake City, UT 84108 USA Univ Utah 615 Arapeen Dr,Suite200 Salt Lake City UT USA 84108
Citazione:
C.R. Chapman et al., "Sensory and affective dimensions of phasic pain are indistinguishable in the self-report and psychophysiology of normal laboratory subjects", J PAIN, 2(5), 2001, pp. 279-294

Abstract

This study evaluated the discriminant validity of subjects differentially scaling the sensory and affective dimensions of pain. it sought to determine (1) whether subjects can differentially scale sensory and affective aspects of phasic laboratory pain in the absence of task demand bias that fosters apparent differential scaling; (2) whether psychophysiologic responses topainful stimuli can predict pain report (PR); and (3) whether such responses contribute more to affective than to sensory judgments. Fifty-six men and 44 women repeatedly experienced varied painful electrical fingertip stimuli at low, medium, and high intensities. On half of the trial blocks, subjects made sensory judgments; on the remainder they made affective judgments. Response measures included PR, pupil dilation, heart rate, respiration rate, skin conductance response (SCR), and late near field evoked potentials. Subjects did not rate the stimuli differently when making sensory versus affective judgments. The psychophysiologic variables, principally the SCR, accounted for 44% of the variance in the PR. Psychophysiologic response patterns did not differentiate affective and sensory judgment conditions. Noteworthy sources of individual differences included baseline PR levels and the linear effects of SCR on PR. (C) 2001 by the American Pain Society.

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Documento generato il 22/01/20 alle ore 06:50:06