PSYCHOGALVANIC SKIN RESPONSE Meaning and
Definition
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Psychogalvanic skin response (also known as electrodermal activity or skin conductance response) refers to a physiological reaction that occurs in the human body in response to emotional or psychological stimuli. This response is reflected by changes in the electrical properties of the skin, specifically the level of sweat gland perspiration.
The psychogalvanic skin response is measured by electrodes attached to the surface of the skin, commonly on the fingertips. The electrodes measure the skin's electrical conductance, which directly corresponds to the level of perspiration taking place on the skin's surface. When an individual experiences emotional arousal or undergoes psychological stimulation, the sweat glands are activated due to the activation of the sympathetic nervous system. This leads to an increase in perspiration, resulting in an increase in electrical conductance.
Psychogalvanic skin response has been widely used in psychological and physiological research, as it serves as an indicator of emotional arousal, stress, or psychological changes. It is commonly employed in lie detection tests, where significant increases in skin conductance can suggest deception or anxiety. Additionally, the psychogalvanic skin response has aided in the assessment and treatment of various psychological disorders, such as anxiety disorders and post-traumatic stress disorder. By analyzing the pattern and magnitude of the response, researchers and clinicians gain insights into the individual's emotional and psychological state.
In summary, psychogalvanic skin response is a physiological reaction measured by the changes in the skin's electrical conductance, providing valuable information about emotional arousal, stress, and psychological changes in an individual.
Common Misspellings for PSYCHOGALVANIC SKIN RESPONSE
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