Dementia, a Deterioration in Cognitive Processes Seen in Disorders Such

Dementia, a deterioration in cognitive processes seen in disorders such as Parkinson's or Alzheimer's disease, has been linked to

A) spinal cord injury.
B) dysfunction of the reticular activating system of the midbrain.
C) dysfunction of the hindbrain.
D) the general loss or ineffective functioning of brain cells.
E) damage to the cerebellum.