Table 4.

Expected scores and mean measured scores for cognitive tests for all 12 participants. The average is compared with the expected score for that age group. Data presented in each column.

Age (years)	n (number of participants who fall into age group)	Spatial reasoning (range 0-65) (expected or measured)	Short-term memory (range 0-20) (expected or measured)
61-65	1	(30-46)/30	(6.21-6.43)/8
66-70	2	(30-46)/38.5	(4.79-5.74)/6.5
71-75	3	(29.7-40)/35	(4.7-5.5)/6.3
76-80	5	(29.7-40)/29.8	(4.3-5.4)/5.9
81-85	1	(25-40)/26	(4-5.1)/4