aged
alzheimer
bearded
blur
board game
brain
caucasian
chess
chessboard
dementia
disease
diseased
disorder
disorientation
elderly
emotion
figures
game
grey hair
health
home
ill
illness
indoors
man
medical
memory loss
mental
mind
neural system
neurology
one person
parkinsonian
pensioner
play
problem
psychology
senior
sick
sickness
strategy
symptoms
syndrome
tense
therapy
think
thoughtful