Table 4.

Conceptual Knowledge of Objects

Control participants (N), mean control proportion correct (%), control standard deviation (SD), AC’s proportion correct (AC’s score), t- and p-scores, and the testing dates for various tasks accessing AC’s conceptual knowledge of objects.

	Control sample			AC’s score	Significance test		Test date
	N	%	SD	%	t	p
NAMING FROM DEFINITION
Animals	6	0.91	0.05	0.67	−4.44	0.007	08/11
Fruit	6	0.8	0.11	0.33	−3.96	0.01	08/11
Vegetables	6	0.83	0.08	0.6	−2.66	0.04	08/11
Body Parts	6	0.98	0.04	0.9	−1.85	0.12	08/11
Musical Instruments	6	0.85	0.06	0.56	−4.48	0.007	08/11
Furniture	6	0.93	0.12	0.9	−0.23	0.83	08/11
Tools	6	0.92	0.14	0.67	−1.65	0.16	08/11
Vehicles	6	0.83	0.06	0.67	−2.47	0.06	08/11
PYRAMIDS AND PALM TREES	6	0.89	0.05	0.88	−0.19	0.86	08/11
PICTURE-WORD MATCHING	6	0.98	0.01	0.97	−0.93	0.4	08/11
KNOWLEDGE OF OBJECT SIZE	6	0.93	0.02	0.96	1.39	0.22	09/11
COLOR OF NATURAL AND MAN-MADE ITEMS
Natural Items	6	0.88	0.08	0.6	−3.24	0.02	08/11
Man-made Items	6	0.94	0.03	0.77	−5.25	0.003	08/11
MATCHING COLORS TO OBJECTS (1)	6	0.94	0.03	0.73	−6.48	0.001	08/11
MATCHING COLORS TO OBJECTS (2)	6	0.94	0.03	0.83	−3.4	0.019	10/11