Title: Avoided by association: Acquisition, extinction, and renewal of avoidance tendencies towards conditioned fear stimuli
Authors: Krypotos, Angelos-Miltiadis
Effting, Marieke
Arnaudova, Inna
Kindt, Merel
Beckers, Tom # ×
Issue Date: 2014
Publisher: Association for Psychological Science
Series Title: Clinical Psychological Science vol:2 pages:336-343
Abstract: Traditional theoretical models hold that avoidance reflects the interplay of Pavlovian and instrumental learning. Here we suggest that avoidance tendencies to intrinsically neutral cues may be established by mere Pavlovian association. Following fear conditioning, in which pictures of one object were paired with shock (CS+) whereas pictures of another object were not (CS-), CS+ pictures facilitated avoidance reactions and interfered with approach responses, relative to CS- pictures, in a symbolic approach/avoidance reaction time task. This was achieved without any instrumental relation between responses and CS continuation or US presentation. Moreover, those avoidance tendencies were sensitive to Pavlovian extinction (they were reduced after repeated presentations of the CS+ without shock) and renewal (recovery of conditioned responding upon returning to the initial conditioning context after extinction in a different context). The present results may help to understand the self-perpetuating nature of pathological fear and anxiety.
ISSN: 2167-7026
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Centre for Psychology of Learning and Experimental Psychopathology
× corresponding author
# (joint) last author

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