Additional support for the existence of skin conductance responses at unconditioned stimulus omission. 2012

Victor I Spoormaker, and Jens Blechert, and Roberto Goya-Maldonado, and Philipp G Sämann, and Frank H Wilhelm, and Michael Czisch
Neuroimaging Research Group, Max Planck Institute of Psychiatry, Munich, Germany. spoormaker@mpipsykl.mpg.de

The existence of a skin conductance response to an expected but omitted aversive stimulus has recently been challenged. To counter this claim, we provide a review of the literature and a temporal analysis of two independent skin conductance data sets during aversive conditioning and extinction that demonstrates a consistent and reproducible skin conductance response at omission of an anticipated aversive stimulus. The validity of this so-called unconditioned stimulus (US) omission response is relevant for skin conductance modeling in the context of neuroimaging and more generally for conditioning theory.

UI MeSH Term Description Entries
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D003213 Conditioning, Psychological Simple form of learning involving the formation, strengthening, or weakening of an association between a stimulus and a response. Conditioning, Psychology,Psychological Conditioning,Social Learning Theory,Social Learning Theories,Theory, Social Learning
D005712 Galvanic Skin Response A change in electrical resistance of the skin, occurring in emotion and in certain other conditions. Electric Conductance, Skin,Electrodermal Response,Reflex, Psychogalvanic,Skin Electric Conductance,Conductance, Skin Electric,Conductances, Skin Electric,Electric Conductances, Skin,Electrodermal Responses,Galvanic Skin Responses,Psychogalvanic Reflex,Response, Electrodermal,Response, Galvanic Skin,Responses, Electrodermal,Responses, Galvanic Skin,Skin Response, Galvanic,Skin Responses, Galvanic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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