Source : WordNet®

psychogalvanic response
     n : a change in the electrical properties of the skin in
         response to stress or anxiety; can be measured either by
         recording the electrical resistance of the skin or by
         recording weak currents generated by the body [syn: {galvanic
         skin response}, {GSR}, {electrodermal response}, {electrical
         skin response}, {Fere phenomenon}, {Tarchanoff phenomenon}]