Table 1.

Language impairments in the individual phases of Alzheimer’s disease

Communication skills	Early period	Mild and severe periods
Communication	Flowing, smooth	Nonflowing, neologism
Repetition	Preserved	Impaired
Identifying	Slightly impaired	Impaired
Understanding the meaning of words	Preserved	Impaired
Understanding of sentences	Preserved	Impaired
Skills of reading	Preserved	Impaired
Skills of writing	Preserved	Impaired
Words, phrases (meaning)	Preserved for known words or phrases; impaired for less familiar words and phrases	Preserved