Abstract
ABSTRACTThe influence of task complexity upon the relationship between electrodermal activity and reaction time was studied. Subjects performed either a simple or complex fixed foreperiod reaction time task. Various measures of skin resistance were taken before and during performance of the task. Only on the more complex task were electrodermal measures related to reaction time. However, the sign of the relationship was opposite to that found in other investigations; subjects with many spontaneous fluctuations and orienting responses reacted slowly. The results were interpreted in terms of the influence of both task complexity and foreperiod characteristics.
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