Table 2.

Summary of performance of the iTDS-2 for a computer access task and comparison with iTDS-1, eTDS, ITCS, sip-n-puff, and mouse [12,25,57].

Specifications	iTDS-2	iTDS-1 [12]	eTDS [25]	ITCS [57]	Sip’n’Puff [25]	Mouse [25]
Throughput (bits/s)	1.25	0.83	1.48	0.85	0.72	3.66
Number of commands	6	6	6	8	4	-