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1 Senior Lecturer, Department of Psychological Medicine and Medical Unit, King's College Hospital, London, S.E.5
2 Lecturer, Department of Medicine, King's College Hospital Medical School, London, S.E.5; Consultant Physician, Regional Endocrine Centre, North Middlesex Hospital, London, N.18
3 Research Fellow, Centre for Social Research, University of Sussex, Falmer, Brighton
The relationships between clinical ratings of anxiety and independent psychological and physiological measures were studied in 17 patients with anxiety states and 14 patients with thyrotoxicosis attending a general teaching hospital. Clinical ratings of degrees of anxiety were compared with IPAT Anxiety Scale Questionnaire scores and with the following palmar skin conductance measures: skin conductance before and during auditory stimulation, psychogalvanic response (PGR) to auditory stimuli, habituation rate of the PGRs to stimuli of varying duration, and number of spontaneous fluctuations in skin conductance. To avoid bias, clinical ratings were completed before patients filled in the IPAT Questionnaire, and neither of these results was available to the investigator who measured palmar skin conductance.
There were no significant differences between thyrotoxic and anxiety state patients in respect of the above measures. Clinical ratings of anxiety were significantly correlated with IPAT Anxiety Scale scores. None of the physiological measures was correlated with clinical ratings of anxiety, and correlations between the various measures of skin conductance were low and non-significant.
Submitted on May 9, 1972
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