Table 4.

The effect of different frequencies of transcranial alternating current stimulation on cognitive function.

Frequency band	References	Frequency (Hz)	Cognitive tasks	Cognitive function	Intervention effect
θ(4–7)	Wolinski et al. (2018)	4	Retrospective working memory	Working memory	Improve the working memory of the subjects
	Wischnewski et al. (2016)	5	A modified version of the sequential gambling task	Decision-making ability	Improved perception of uncertainty
	Violante et al. (2017)	6	Visual-spatial working memory task	Working memory	Improved working memory performance
	Wischnewski et al. (2016)	6	Reverse learning tasks	Learning ability	Reverse learning speeds up
	Dantas et al. (2021)	6.5	Cambridge Gambling Mission	Decision-making ability	Reduced motivation for risk decision-making behavior
α(8–13)	Borghini et al. (2018)	10	Retrospective working memory	Working memory	Improving the working memory of participants
β(14–30)	Yaple et al. (2017)	20	Risk decision-making for voluntary task-switching	Decision-making ability	Increased motivation for making risk decisions
	Zhang et al. (2022)	20	SRTT	Learning ability	Shortened reaction time
	Pollok et al. (2015)	20	SRTT	Learning ability	Can improve motor skills and sequence response skills
	Minpeng et al. (2019)	25	SRTT	Learning ability	Reduced learning response time for motion sequences
γ(30–80)	Pollok et al. (2015)	35	SRTT	Learning ability	The promotion effect on learning motion sequences is not significant
	Borghini et al. (2018)	40	Change detection task	Working memory	Improved working memory ability
	Zhang et al. (2022)	70	SRTT	Learning ability	Improved learning ability
	Miyaguchi et al. (2018)	70	Visual motion control	Learning ability	Significant reduction in task error rate