Which of the following is a mental series of exercises meant to refocus attention and achieve a heightened sense of focus?

The most common cause of dementia is

A) Parkinson's disease. B) Alzheimer's disease. C) allergic encephalomyelitis. D) Huntington's disease. E) epilepsy.

What is a morpheme?

a. A single word meant to represent an entire phrase b. A single word meant to represent multiple objects c. The total length of an infant's utterance d. The smallest unit of meaning in a language