Characteristics of the galvanic skin response and electrocardiogram in active and passive subjects under test conditions

Simultaneous examination of two subjects using a method of signal detection in a homogeneous series made it possible to detect some regular changes in the electrocardiogram and galvanic skin response in both passive and active subjects. A passive subject concealed from an active participant information kept in mind, whereas the latter subject aimed at detecting the information significant for the partner. This detection was mainly based on voluntary analysis of unconscious changes in the voice quality, variability in the latent periods of verbal responses, and enhancement of the general motor activity of the partner. At the same time, the phenomenon of unconscious decision-making by an active partner was observed, which possibly took the form of an insight into the information concealed by the passive subject. Some other mechanisms of this phenomenon are also possible.