The Application of tDCS to Treat Pain and Psychocognitive Symptoms in Cancer Patients: A Scoping Review

Table 2

tDCS parameters of included studies.

First author, year	Brain region	Stimulation intensity (mA)	Anodal electrode position	Cathodal electrode position	Duration; (min)	Session numbers	Electrode sizes
Gao et al., 2022 [47]	—	2	—	—	30	28	—
Gaynor et al., 2020 [45]	Left dorsolateral prefrontal cortex	1	F3	F4	15	2	1 cm radius
Knotkova et al., 2014 [42]	Prefrontal cortex	2	F3	Contralateral supraorbital region	20	5	4.5 × 6 cm
Nguyen et al., 2016 [39]	Right prefrontal cortex	1	C3	F2	20	5	—
Stamenkovic et al., 2020 [46]	Left primary motor cortex	1.2	C3	Contralateral supraorbital region	20	5	1 cm radius
Hu et al., 2016 [34]	Primary motor cortex	2	C5	F4	20	20	25 cm^2
Kamal et al., 2022 [43]	Primary motor cortex	2	C4	Opposite supraorbital region	20	1	35 cm^2
Ibrahim et al., 2018 [44]	Primary motor cortex	2	C4	Opposite supraorbital region	30	10	35 cm^2
Mirski et al., 2015 [40]	Left frontal cortex	—	F7	—	—	20	—
Silva et al., 2007 [41]	Primary motor cortex	10	C3	Contralateral supraorbital area	—	—	35 cm^2