The Galvanic Skin Response

Essay specific features

 

Issue:

Miscellaneous

 

Written by:

Steven M

 

Date added:

August 4, 2012

 

Level:

University

 

Grade:

A

 

No of pages / words:

2 / 526

 

Was viewed:

862 times

 

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Essay content:

Although these facts have been known for over a hundred years and the first paper to be presented on the subject of the psycho-galvanometer was written by Tarchanoff in 1890, it has only been within the last 25 years that the underlying causes of this change in skin resistance have been discovered. The Tarchanoff Response is a change in DC potential across neurones of the autonomic nervous system connected to the sensori-motor strip of the cortex...
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This change was found to be related to the level of cortical arousal. The emotional charge on a word, heard by a subject, would have an immediate effect on the subject's level of arousal, and cause this physiological response. Because the hands have a particularly large representation of nerve endings on the sensori-motor strip of the cortex, hand-held electrodes are ideal...
displayed 300 characters

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