Approximately a quarter of maximum security hospital patients convicted of highly deviant crimes exhibited low 'anxiety-type' psychophysiological responsivity to stressors together with an abnormal catecholamine balance during stressor anticipation which resulted in noradrenalin to adrenalin ratios in excess of 5.5, an abnormally high value not exceeded by any control subjects and a result which is significant (p less than 0.005).
Adolescent Adult