Table 7b.

Qualitative errors on neuropsychological test battery

Domain	Test	Error type	Range of errors
Memory	LM Immediate, Delayed	Intrusion errors	0 – max
	LM Recognition	Non-response	0 – 11
	VR Immediate, Delayed	Confabulation errors	0 – 4
		Perseveration errors	0 – 4
	VR Recognition	Non-response	0 – 4
	VPA Immediate, Delayed	Interference errors	0 – 10 (per trial)
		Intrusion errors	0 – 10 (per trial)
		Perseveration errors	0 – 10 (per trial)
	VPA Recognition	Non-response	0 – 10
Attention	Digit span	Sequencing errors	0 – 14
		Non-sequencing errors	0 – 8
	Trail-making test-A	Qualitative errors	0 – max
Language	Boston Naming Test	Circumlocution	0 – 36
		Perseveration errors	0 – 35
		Paraphasic errors	0 – 36
		Perceptual errors	0 – 36
Visuospatial	HVOT	Isolate errors	0 – 30
		Perceptual errors	0 – 30

Note: LM=WMS Logical Memory. VR=WMS Visual Reproduction. VPA=WMS Verbal Paired Associates. HVOT=Hooper Visual Organization Test.