Steptoe A, Greer K
Biol Psychol. 1980 Mar;10(2):127-38. doi: 10.1016/0301-0511(80)90033-2.
Peripheral physiological activity and verbal ratings of tension and nervousness were assessed during instructed relaxation, and relaxation assisted by feedback of skin conductance level (SCL). Sixteen volunteers attempted to use each strategy in turn in a cross-over design. Responses were monitored both during quiet relaxation, and throughout the performance of taxing cognitive tasks. Th electrodermal feedback made no difference to the reductions in SCL, heart rate or subjective ratings, when relaxation was carried out in undisturbed conditions. Following training, reactions to cognitive tasks were attenuated. It is suggested that while SCL feedback may aid the management of reactivity, it has little impact in the short term on depth of relaxation achieved by instructional programmes.
在指导性放松以及通过皮肤电导率水平（SCL）反馈辅助放松的过程中，对外周生理活动以及紧张和焦虑的言语评分进行了评估。16名志愿者按照交叉设计依次尝试使用每种策略。在安静放松期间以及执行繁重认知任务的全过程中，对反应进行了监测。在不受干扰的条件下进行放松时，皮电反馈对SCL、心率或主观评分的降低没有影响。经过训练后，对认知任务的反应减弱。研究表明，虽然SCL反馈可能有助于控制反应性，但在短期内对指导性方案所达到的放松深度影响不大。
