hand of male trying to connect pieces of white jigsaw puzzle on wooden table. healthcare for disease, dementia, memory

acquisition alzheimer amnesia autism awareness background brain business care caregiver cognitive concept day degeneration dementia disease elderly group hand health healthcare hospital impairment insured jigsaw knowledge loss male man medical memory mental month neurodegenerative neuropsychology patient people pieces psychology puzzle rehabilitation schizophrenia senior sickness solution stroke therapy training world young