Table 1.

Test–retest ICC for each task and for the combination of all tasks.

	DeoxyHb		OxyHb
	Raw	Clean	Raw	Clean
Ball squeeze	0.5906	0.3851	0.8194	0.7086
Double tap	0.5922	0.4539	0.8463	0.8307
Single tap	0.6815	0.5687	0.7374	0.5142
Follow the number	0.6580	0.6722	0.5878	0.5843
All tasks	0.6188	0.5020	0.7659	0.6588