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ERIC Number: EJ1018768
Record Type: Journal
Publication Date: 2013-Aug
Pages: 4
Abstractor: As Provided
ISSN: ISSN-1072-0502
Temporal Dynamics of Recovery from Extinction Shortly after Extinction Acquisition
Archbold, Georgina E.; Dobbek, Nick; Nader, Karim
Learning & Memory, v20 n8 p395-398 Aug 2013
Evidence suggests that extinction is new learning. Memory acquisition involves both short-term memory (STM) and long-term memory (LTM) components; however, few studies have examined early phases of extinction retention. Retention of auditory fear extinction was examined at various time points. Shortly (1-4 h) after extinction acquisition spontaneous recovery was high compared to that after longer delays (8-24 h). Recall of a consolidated extinction trace was also impaired if it was preceded 1 h by extinction of a novel CS; propranolol did not attenuate this effect. These results suggest poor extinction retention reflects a retrieval impairment caused by the aversive experience of extinction training.
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Publication Type: Reports - Research; Journal Articles
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A