TABLE 1.

T-test results.

Variables		Controls	Athletes	T	P
Mental imagery abilities
Visualizing letters	M	10.02	11.88	–6.22	<0.001
	SD	2.04	0.33
Brooks “F” test	M	4.10	7.44	–6.43	<0.001
	SD	2.42	2.66
Clock	M	1.29	0.08	5.00	<0.001
	SD	1.62	0.40
Cube	M	1.15	1.71	–1.40	0.17
	SD	1.53	2.33
Subtraction of parts	M	5.04	10.04	–8.65	<0.001
	SD	3.23	2.37
Mental exploration of a map	M	4.00	5.23	–4.64	<0.001
	SD	1.49	1.08
Imagined paths	M	4.29	7.48	–6.03	<0.001
	SD	2.56	2.62
Mental representation of shapes of objects	M	14.13	18.54	–7.24	<0.001
	SD	4.12	0.94
Memory and visual perception
Forward digit-span	M	3.87	5.10	–4.07	<0.001
	SD	1.95	0.75
Backward digit-span	M	1.88	3.79	–7.56	<0.001
	SD	1.45	0.99
Visual–spatial memory test	M	2.29	15.35	–16.39	<0.001
	SD	2.93	4.68
Memory of objects	M	5.12	6.63	–5.73	<0.001
	SD	1.67	0.70
Memory of position of objects	M	6.15	9.56	–6.30	<0.001
	SD	3.05	2.20
Mirror reproduction of spatial position	M	9.58	15.31	–6.38	<0.001
	SD	5.80	2.25