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Table 2 tDCS protocols

From: Does transcranial direct current stimulation improve functional locomotion in people with Parkinson’s disease? A systematic review and meta-analysis

Study

Treatment

Session #

Active tDCS

Stimulation Site

Stimulation Parameters (Intensity, Duration, Areas)

Follow-Up Test

Alizad [42]

tDCS

3

A

M: Bi PMC & M1

1 mA, 20 min, 40 cm2

No

Benninger [43]

tDCS

8

A

M: Bi PFC, PMC, & M1 (separately)

2 mA, 20 min, 24.5 cm2

Yes (12wks)

Capacci [44]

tDCS

1

A

M: Bi PFC (separately)

2 mA, 20 min, NA

No

Costa-Ribeiro [45]

tDCS&GT

10

A

S: Central leg areas M1 (2 cm anterior to the vertex)

2 mA, 13 min, NA

Yes (4wks)

Costa-Ribeiro [46]

tDCS&GT

10

A

S: Central leg areas M1 (2 cm anterior to the vertex)

2 mA, 13 min, 35 cm2

Yes (4wks)

Criminger [47]

tDCS

3

A&C

M: Bi DLPFC (A-tDCS on LH & C-tDCS on RH)

2 mA, 20 min, 15 cm2

No

da Silva [48]

tDCS

1

A

S: Central leg areas M1 & SMA

2 mA, 15 min, 35 cm2

No

Dagan [49]

tDCS

2

A

M: M1 & LH-DLPFC

20 min, NA, NA

No

Fernández-Lago [50]

tDCS&TT

1

A

S: leg area M1 of AH

2 mA, 20 min, 3.5 cm2

No

Kaski [51]

tDCS&PT

1

A

S: Central leg areas M1 (10–20% anterior to the vertex)

2 mA, 15 min, 40 cm2

No

Lattari [52]

tDCS

1

A

S: LH DLPFC

2 mA, 20 min, 35 cm2

No

Mak [53]

tDCS

5

A

S: M1

NA, 20 min, NA

No

Manenti [54]

tDCS

2

A

S: RH DLPFC

2 mA, 7 min, 35 cm2

No

Schabrun [55]

tDCS&GT

9

A

S: LH M1

2 mA, 20 min, 35 cm2

Yes (12wks)

Swank [56]

tDCS

1

A&C

M: Bi DLPFC (A-tDCS on LH & C-tDCS on RH)

2 mA, 20 min, NA

No

Valentino [57]

tDCS

5

A

S: Central leg areas M1

2 mA, 20 min, NA

Yes (4wks)

Verheyden [58]

tDCS

1

A

S: LH M1

1 mA, 15 min, NA

No

Yotnuengnit [59]

tDCS&PT

6

A

S: Central leg areas M1

2 mA, 30 min, 35 cm2

Yes (8wks)

  1. Abbreviations: A Anodal tDCS, AH Affected hemisphere, Bi Bilateral, C Cathodal tDCS, DLPFC Dorsolateral prefrontal cortex, GT Gait training, LH Left hemisphere, M Multiple targeted brain regions, M1 Primary motor cortex, NA Not applicable, PFC Prefrontal cortex, PMC Premotor cortex, PT Physical training, RH Right hemisphere, S Single targeted brain region, TT Treadmill training, wks Weeks (retention period)