Newneuronsaregeneratedandintegrateintoexistingcircuitrywithinthehippocampaldentategyrusandtheolfactorybulbofmostmammals(GageandTemple,2013).Neurogenesisinthehippocampuspersiststhroughadulthood,andwhileitsfunctionandimportanceremainsunclear,itappearstoberequiredintheformationofspecifictypesof