TABLE 4.

Thresholds (%) for different tasks and conditions in DD and CA (M ± SD).

	High-noise		Low-noise
	Motion	Form	Motion	Form
CA	17.59 ± 8.93	17.23 ± 6.37	11.00 ± 6.57	12.56 ± 5.84
DD	21.79 ± 11.25	21.44 ± 6.70	11.91 ± 6.49	16.05 ± 7.97