Table 1. Subject Information.

Subject (Gender)	Chronological age in years	Mental age in years-months	Experiments
MW (M)	22	12-1	1
DA (M)	22	9-10	1
GC (M)	47	6-4	1 and 2
VS (F)	25	6-2	1
FJ (M)	21	6-8	1 and 2
CH (M)	19	8-1	2
JB (M)	19	4-8	2
SE (M)	18	9-5	2

Note. Mental age is based on the Peabody Picture Vocabulary Test-Revised.