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Titolo:
GENDER DIFFERENCES IN PAIN RATINGS AND PUPIL REACTIONS TO PAINFUL PRESSURE STIMULI
Autore:
ELLERMEIER W; WESTPHAL W;
Indirizzi:
UNIV REGENSBURG,INST PSYCHOL D-93040 REGENSBURG GERMANY UNIV WURZBURG,INST PHYSIOL W-8700 WURZBURG GERMANY
Titolo Testata:
Pain
fascicolo: 3, volume: 61, anno: 1995,
pagine: 435 - 439
SICI:
0304-3959(1995)61:3<435:GDIPRA>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
SIGNAL-DETECTION THEORY; SEX-DIFFERENCES; INDIVIDUAL-DIFFERENCES; PSYCHOPHYSICS; SENSITIVITY; PERCEPTION; MAGNITUDE; TOLERANCE; CATEGORY; AGE;
Keywords:
EXPERIMENTAL PAIN; SEX DIFFERENCE; RATING; PUPILLOMETRY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
27
Recensione:
Indirizzi per estratti:
Citazione:
W. Ellermeier e W. Westphal, "GENDER DIFFERENCES IN PAIN RATINGS AND PUPIL REACTIONS TO PAINFUL PRESSURE STIMULI", Pain, 61(3), 1995, pp. 435-439

Abstract

In order to investigate gender differences in pain perception, the present study employed both a psychophysical and a psychophysiological measure. In experiment 1, 20 subjects rated the painfulness of 4 different levels of tonic pressure applied to their fingers using a verballyanchored categorization procedure. In general agreement with studies of pain threshold and tolerance, female subjects reported greater painat high levels of stimulation, with no gender difference being evident at low pressure levels. In experiment 2, 16 different subjects were exposed to the same painful pressure stimuli while measuring their pupil reactions using infrared video pupillometry. The pupil dilations seen during the last 10 sec of the 20-sec pressure application turned out to be a highly significant indicator of pain intensity. When female and male subjects were compared on this measure, a similar divergent pattern as in the psychopysical data emerged, with female subjects showing greater pupil dilations at high pressure levels only. The fact that gender differences in pain perception can be demonstrated using an autonomic indicator of pain that is beyond voluntary control suggests that these differences reflect low-level sensory and/or affective components of pain rather than attitudinal or response-bias factors.

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Documento generato il 04/07/20 alle ore 21:20:15