Meaning of "forgetfulness and dementia"

a chronic or persistent disorder of the mental processes caused by brain disease or injury and marked by memory disorders, personality changes, and impaired reasoning.

de·men·tia

dĭ-mĕn′shə

dementia

(dĭ-mĕn 'Shə)
n.
Loss of cognitive abilities, including memory, concentration, communication, planning and thinking, as a result of a brain injury or a disease such as heart disease Alzheimer's or Parkinson's disease. Sometimes it is accompanied by emotional disturbances and personality changes.

[Latin > adj.

dementia

dɪˈmɛnʃə; -ʃɪə

dementia

( dɪmɛnʃə; -ʃɪə )
n
(Pathology) a state of serious emotional and mental deterioration, of organic or functional origin
[C19: from Latin: madness;

de•men•tia

(dɪˈmɛn ʃə, -ʃi ə)

of • menthia

(dɪmɛn ʃə, -ʃi ə) n n n.
memory capacity and reasoning badly damaged, usu. With altered behavior, associated with damaged brain tissue.
[1800-10;

dementia

madness or madness. Cf. amentia.
See also: Madness