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Biomedical subjects

R D Hare

Publications and source records attributed to R D Hare.

At least 37 records · Page 2Linked to original sources
PubMed1983

Diagnosis of antisocial personality disorder in two prison populations.

The author presents data on the incidence and reliability of the DSM-III diagnosis of antisocial personality disorder in 246 male inmates of two prisons, comparing this diagnosis with assessment procedures that have proven useful in the study of psychopathy. He found good agreement between the diagnosis of antisocial personality disorder and assessments of psychopathy, although DSM-III did not readily identify individuals who fit the classic picture of psychopathy but avoided early contact with the judicial system. Nevertheless, DSM-III may be useful for differential diagnosis in criminal populations.

Adult↗
PubMed1978

Psychopathy and electrodermal responses to nonsignal stimulation.

Electrodermal activity was monitored while 64 prison inmates were presented with a random series of fast and slow rise-time tones ranging in intensity from 80 to 120dB. The inmates were divided into groups on the basis of global ratings of psychopathy and scores on the Socialization (Os) scale. The group considered to be most psychopathic (high ratings of psychopathy and low So scores) gave smaller skin conductance responses than did the other groups, but only to the 120dB tones. These findings are consistent with the hypothesis that psychopaths are electrodermally hyporesponsive to intense nonsignal stimuli. High ratings of psychopathy were associated with slow recovery of the skin conductance response, but only with the 120dB fast rise-time tones, and only in the left hand.

Acoustic Stimulation↗
PubMed1975

Defensive responses to phobic stimuli.

Physiological recordings were made while nine females who were afraid of spiders (group P) and nine who were not (group N) viewed a random series of spider and neutral slides. Group P's responses to the spider slides included heart rate (HR) acceleration, cephalic vasoconstriction and an increase in palmer skin conductance (SC), a pattern considered to be part of a defensive response (DR). Group N's responses, on the other hand, were indicative of an orienting response (OR), and included HR deceleration, cephalic vasodilation and an increase in palmar SC. The neutral slides elicited little in the way of responses from group N. However, they elicited the cardiovascular and electrodermal components of an OR from group P, presumably because of their contrast with the feared spider slides. Although the DR pattern observed in group P was often accompanied by increased somatic activity, HR acceleration and cephalic vasoconstriction still occurred even when somatic activity did not appear to increase.

Adolescent↗