Table 6.

Error types by group and condition. Data are frequencies with % of all responses in parentheses

Error Types	mTBI (n=20)	OI (n=21)
Category Naming-Unspeeded
Error Type
Perseveration	36 (11.42)	26 (9.05)
Semantic	209 (66.34)	215 (74.91)
Out of category	39 (12.38)	24 (8.36)
No response	31 (9.84)	22 (7.66)
Total Errors	315 (26.25)	287 (22.77)
Category Naming- Speeded
Error Type
Perseveration	26 (2.16)	28 (2.22)
Semantic	188 (15.66)	139 (11.03)
Out of category	30 (2.67)	32 (2.77)
No response	50 (4.33)	49 (3.88)
Total Errors	294 (24.5)	248 (19.68)

Note: mTBI = mild traumatic brain injury, OI = orthopedic injury