Meyza, Ksenia Z Age increases anxiety and reactivity of the fear/anxiety circuit in Lewis rats. [electronic resource] - Behavioural brain research Nov 2011 - 192-200 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1872-7549 Standard No.: 10.1016/j.bbr.2011.07.011 doi Subjects--Topical Terms: AgingAnalysis of VarianceAnimalsAnxiety--pathologyBrain--metabolismDisease Models, AnimalExploratory BehaviorFear--psychologyGene Expression Regulation--physiologyImmobility Response, Tonic--physiologyMaleMaze Learning--physiologyNeural Pathways--pathologyPrincipal Component AnalysisProto-Oncogene Proteins c-fos--metabolismRatsRats, Inbred Lew