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KMID : 0376419960200020185
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Chonbuk University Medical Journal
1996 Volume.20 No. 2 p.185 ~ p.198
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The Psychophysiologic Response in Patients with Generalized Anxiety Disorder during Stressful Tasks.
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Abstract
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Object:
@EN The psychophysiologic response pattern between subjects and patients with generalized anxiety disorder during stressful tasks, and the relationship among anxiety rating scales and those patterns in patients were examined.
@ES Methods:
@EN 23 normal control subject and 23 patients with generalized anxiety disorder(AD) were evaluated by Hamilton Rating Scale for Anxiety(HRSA), State(STAIS)-Trait(STAIT) Anxiety Inventory before baseline stressful tasks. Subjective Units of
Distress(SUDS) were evaluated just before baseline period, immediately after stressful tasks, at the end of the entire procedure, and psychophysiologic measures i.e. skin temperature(ST), electromyographic activity(EMG), heart rate(HR),
electrodermal
response(EDR) during baseline & rest and during two psychologically stressful tasks(mental arithmetic, TM; talk about a stressful event, TT) were also evaluated.
@ES Results:
@EN 1) AD group showed significantly higher EMG level during rest after stressful tasks and higher HR level during all period except TM than control group. 2) AD group showed lower change in the startle response(SR) of ST, in the SR & the
recovery
response(RR) of EMG during TM, and it the EDR immediately after TM than control group. AD group showed that the RR of EDR was significantly lower than the SR during stressful tasks. 3) We found that there was significantly negative correlation
between
STAIS score and the RR of EMG after TT in AD group. We also found that there were significantly positive correlations between HRSA score and the SRs of FDR during stressful tasks, and between STAIS and the SR of EDR during TT.
@ES Conclusion:
@EN Above results suggest that patients with generalized anxiety disorder show higher autonomic arousal than normal control group and decreased physiologic flexibility or reduced autonomic flexibility.
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KEYWORD
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