Table 5.

Type of cognitive involvement in the included studies depending on target population.

Target population	Type of cognitive involvement (number of studies)	References
Healthy older adults	Immediate/cognitive (1)	Biasutti and Mangiacotti, 2018
	Immediate/motor tasks (2)	Hars et al., 2014a,b
	Sustained (3)	Bugos et al., 2007; Bugos, 2010; Seinfeld et al., 2013
Older adults with dementia	Immediate/cognitive (1)	Chu et al., 2014
	Immediate/motor tasks (1)	Chen and Pei, 2018
Older adults with MCI	Immediate/cognitive (2)	Doi et al., 2017; Biasutti and Mangiacotti, 2018
	Immediate/motor tasks (1)	Shimizu et al., 2017

Immediate/cognitive, immediate engagement with the addition of cognitive tasks; immediate/motor, immediate engagement with the addition of motor tasks; sustained, sustained engagement; MCI, mild cognitive impairment.