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Article: Effect of long term baclofen treatment on recognition memory and novelty detection

TitleEffect of long term baclofen treatment on recognition memory and novelty detection
Authors
KeywordsBaclofen
Issue Date1996
Citation
Behavioural Brain Research, 1996, v. 74, n. 1-2, p. 145-152 How to Cite?
AbstractWe studied the effect of long term baclofen treatment on recognition memory and novelty detection in rats using a habituation paradigm in an open field setting. Rats pretreated with 3 weeks' daily baclofen injection (0, 2 and 5 mg/kg) were tested in four 10 min sessions (familiarization session and three testing sessions: S1, S2 and S3), with 10-min intersession intervals. During S1, S2 and S3, rats were repeatedly exposed to the same two odor stimuli. During S3, for half of the rats in each treatment group, the spatial locations of the two stimuli were switched (Change) and for the other half the stimuli were replaced in the same locations (No Change). Two habituation scores were measured for each subject: H1 = N1 - N2; H2 = N2 - N3 (N(i) the number of contacts made during S(i)). Baclofen at the highest dose (5 mg/kg) reduced the amount of habituation between S1 and S2 (H1) and increased responses to novel spatial arrangement, measured as the difference between H2 for the No-Change and Change groups. These results suggest a simultaneous impairment of recognition memory and enhancement of spatial novelty detection.
Persistent Identifierhttp://hdl.handle.net/10722/228003
ISSN
2015 Impact Factor: 3.002
2015 SCImago Journal Rankings: 1.533

 

DC FieldValueLanguage
dc.contributor.authorTang, Akaysha C.-
dc.contributor.authorHasselmo, Michael E.-
dc.date.accessioned2016-08-01T06:44:57Z-
dc.date.available2016-08-01T06:44:57Z-
dc.date.issued1996-
dc.identifier.citationBehavioural Brain Research, 1996, v. 74, n. 1-2, p. 145-152-
dc.identifier.issn0166-4328-
dc.identifier.urihttp://hdl.handle.net/10722/228003-
dc.description.abstractWe studied the effect of long term baclofen treatment on recognition memory and novelty detection in rats using a habituation paradigm in an open field setting. Rats pretreated with 3 weeks' daily baclofen injection (0, 2 and 5 mg/kg) were tested in four 10 min sessions (familiarization session and three testing sessions: S1, S2 and S3), with 10-min intersession intervals. During S1, S2 and S3, rats were repeatedly exposed to the same two odor stimuli. During S3, for half of the rats in each treatment group, the spatial locations of the two stimuli were switched (Change) and for the other half the stimuli were replaced in the same locations (No Change). Two habituation scores were measured for each subject: H1 = N1 - N2; H2 = N2 - N3 (N(i) the number of contacts made during S(i)). Baclofen at the highest dose (5 mg/kg) reduced the amount of habituation between S1 and S2 (H1) and increased responses to novel spatial arrangement, measured as the difference between H2 for the No-Change and Change groups. These results suggest a simultaneous impairment of recognition memory and enhancement of spatial novelty detection.-
dc.languageeng-
dc.relation.ispartofBehavioural Brain Research-
dc.subjectBaclofen-
dc.titleEffect of long term baclofen treatment on recognition memory and novelty detection-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1016/0166-4328(95)00038-0-
dc.identifier.pmid8851923-
dc.identifier.scopuseid_2-s2.0-0030042357-
dc.identifier.volume74-
dc.identifier.issue1-2-
dc.identifier.spage145-
dc.identifier.epage152-

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