cognitive behavior phenotype senility MP:0002571 "A degenerative state of the brain resulting in impairment of memory, judgment, attention span, problem solving skills, the inability to perform previously learned skills that cannot be attributed to deficits of motor or sensory function, and a global loss of cognitive abilities." [MeSH:National Library of Medicine_Medical Subject Headings] 2011-04-14T09:01:45Z George Gkoutos behavior_ontology