Assessment of Nonverbal and Verbal Apraxia in Patients with Parkinson’s Disease

Table 3

Types of verbal apraxic errors.

Type of error	Total	Words	Sentences	Spontaneous speech	Reading
O	70.8%	56.5%	8.7%	21.7%	13.1%
S	16.9%	100%	0%	0%	0%
R	9.2%	0%	33.3%	50%	16.7%
A	3.1%	100%	0%	0%	0%

O: omission; S: substitution; R: repetition; A: addition.