Reinstatement of an extinguished fear conditioned response in infant rats

• Published in: Learning & memory (Cold Spring Harbor, N.Y.) Vol. 23; no. 1; pp. 1 - 8
• Main Authors: Revillo, Damian A., Trebucq, Gastón, Paglini, Maria G., Arias, Carlos
• Format: Journal Article
• Language: English
• Published: United States Cold Spring Harbor Laboratory Press 01.01.2016
• Subjects: Adults; Age Factors; Analysis of Variance; Animals; Animals, Newborn; Conditioning; Conditioning, Classical - physiology; Context Effect; Electroshock - adverse effects; Extinction, Psychological - physiology; Fear; Freezing Reaction, Cataleptic - physiology; Infants; Learning Processes; Odorants; Olfactory Perception; Rats; Responses; Role; Stimuli; Testing

Although it is currently accepted that the extinction effect reflects new context-dependent learning, this is not so clear during infancy, because some studies did not find recovery of the extinguished conditioned response (CR) in rodents during this ontogenetic stage. However, recent studies have s...