personality change

^[1]^[2]^[3]

Etiology

most people's personality change throughout life, generally for the better from experience
more abrupt, pathological change may occur as a result of
- brain neoplasm
- neurodegenerative disease
  - personality changes are common at the onset of dementia
    - frontotemporal dementia (Pick's disease)
    - Alzheimer's disease

features a personality disorder must be present since young adulthood to meet criteria^[3]

↑ Personality changes for the better with age America Psychological Association. July/August 2003. 34(7):14 http://www.apa.org/monitor/julaug03/personality.aspx
↑ Miller BL et al Case 9-2015 - A 31-Year-Old Man with Personality Changes and Progressive Neurologic Decline. N Engl J Med 2015; 372:1151-1162. March 19, 2015. <PubMed> PMID: https://www.ncbi.nlm.nih.gov/pubmed/25785973 <Internet> http://www.nejm.org/doi/full/10.1056/NEJMcpc1409839
↑ ^3.0 ^3.1 Geriatric Review Syllabus, 9th edition (GRS9) Medinal-Walpole A, Pacala JT, Porter JF (eds) American Geriatrics Society, 2016