Skin Conductance Meter

Skin conductance instruments are the simplest biofeedback devices to use. Two finger sensors are attached the fingertips and a control sets the meter or tone to a middle position. As the person relaxes, the pitch of the tone drops. With eyes closed a person can tune into the tone, getting clear feedback of his or her reactions.

The instrument reflects primarily activity of the sympathetic nervous system. By the use of this instrument in a systematic training procedure both mediators and hypnotists can improve their work. When  a person relaxes their skin resistance increases. Whe he is tense, excited, or anxious, his skin resistance decreases.

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