Table 1.

Ages and radiologic and experimental findings in patients

Patient no.	Age, y	Lesion location	Omissions	Mean cancellation distance, cm	Intersections rate*	Best r	Perseverations†	Commission errors
1	71	Thalamus	0	3.00	0.23	0.77	5	0
2	71	PO	0	2.23	0.02	0.97	2	0
3	77	MCA	0	2.96	0.11	0.48	0	0
4	81	BG	0	2.56	0.05	0.99	1	0
5	77	P	1	3.81	0.31	0.74	3	0
6	73	Pons	1	2.54	0.16	0.87	1	0
7	38	TBG	1	3.30	0.23	0.57	2	0
8	74	MCA	1	2.20	0.02	0.98	0	0
9	76	TPO	3	3.98	0.62	0.62	14	1
10	61	FP	3	2.70	0.05	0.95	0	2
11	61	F	3	2.62	0.04	0.96	4	0
12	79	Thalamus	3	4.64	0.59	0.48	3	0
13	70	T	4	3.17	0.18	0.08	27	0
14	58	MCA	4	2.41	0.08	0.98	0	0
15	73	TP	6	3.57	0.22	0.68	8	0
16	51	F	6	2.80	0.14	0.97	0	0
17	79	TP	11	2.54	0.34	0.61	2	0
18	73	Thalamus	14	5.01	0.23	0.86	1	0
Average	69.1		3.39	3.11	0.20	0.75	4.06	0.17

^*Intersections per number of sequentially different locations marked (see text).

^†Nonconsecutive perseverations only.

P = parietal; O = occipital; MCA = middle cerebral artery; BG = basal ganglia; T = temporal; F = frontal.