Findings

What do systematic reviews say?

54 questions · 59 findings · 7 reviews

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No studies found 18 · 30.5%GRADE not reported 0 · 0%Very low 19 · 32.2%Low 9 · 15.3%Moderate 12 · 20.3%High 1 · 1.7%

tDCS vs sham

Disability (0 to < 1 week postintervention) measured using self‐reported disability/pain interference scales · adults with chronic pain

1 finding from 1 review

Non‐invasive brain stimulation techniques for chronic pain 2018 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 212 participants
Low

tDCS vs sham

Quality of life (0 to < 1 week postintervention) measured using different scales across studies · adults with chronic pain

1 finding from 1 review

Non‐invasive brain stimulation techniques for chronic pain 2018 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 82 participants
Low

tDCS vs sham tDCS

Activity Gait speed · Patients with idiopathic Parkinson's disease

1 finding from 1 review

Transcranial direct current stimulation (tDCS) for idiopathic Parkinson's disease 2016 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 41 participants
Very low

tDCS vs placebo or control

ADL outcome · patients with improving activities of daily living, and physical and cognitive functioning at the end of follow‐up, in people after stroke

1 finding from 1 review

Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and cognitive… 2020 · Cochrane Headline outcomes only
no estimate extracted
6 studies · 269 participants
Moderate

Secondary outcome measure: mean upper extremity function at the end of the intervention periodClinical measures of upper extremity function. Scale from: 0 to infinity. · patients with improving activities of daily living, and physical and cognitive functioning at the end of follow‐up, in people after stroke

1 finding from 1 review

Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and cognitive… 2020 · Cochrane Headline outcomes only
no estimate extracted
5 studies · 211 participants
Moderate

tDCS vs placebo or control

Secondary outcome measure: lower extremity function at the end of · patients with improving activities of daily living, and physical and cognitive functioning at the end of follow‐up, in people after stroke

The review found no eligible studies for this question.

1 finding from 1 review

Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and cognitive… 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

tDCS vs placebo or control

Muscle strength · patients with improving activities of daily living, and physical and cognitive functioning at the end of follow‐up, in people after stroke

1 finding from 1 review

Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and cognitive… 2020 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 156 participants
Moderate

tDCS vs placebo or control

Secondary outcome measure: cognitive abilities at the end of · patients with improving activities of daily living, and physical and cognitive functioning at the end of follow‐up, in people after stroke

The review found no eligible studies for this question.

1 finding from 1 review

Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and cognitive… 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

tDCS vs placebo or control

Secondary outcome measure: hemispatial neglect at the end of · patients with improving activities of daily living, and physical and cognitive functioning at the end of follow‐up, in people after stroke

The review found no eligible studies for this question.

1 finding from 1 review

Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and cognitive… 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

tDCS vs active control

Secondary outcome measure: hemispatial neglect at the end of · people with stroke

The review found no eligible studies for this question.

1 finding from 1 review

Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and cognitive… 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

tDCS vs sham tDCS

Word retrieval · adults with primary progressive aphasia (PPA)

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for improving language and communication in people with primary progressive aphasia 2024 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

tDCS vs sham tDCS

Overall language abilities · adults with primary progressive aphasia (PPA)

1 finding from 1 review

Non‐pharmacological interventions for improving language and communication in people with primary progressive aphasia 2024 · Cochrane Headline outcomes only
no estimate extracted
1 study · 15 participants
Very low

tDCS vs sham tDCS

Cognitive function · adults with primary progressive aphasia (PPA)

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for improving language and communication in people with primary progressive aphasia 2024 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

tDCS vs sham tDCS

Quality of life · adults with primary progressive aphasia (PPA)

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for improving language and communication in people with primary progressive aphasia 2024 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

tDCS vs sham tDCS

Adverse events · adults with primary progressive aphasia (PPA)

1 finding from 1 review

Non‐pharmacological interventions for improving language and communication in people with primary progressive aphasia 2024 · Cochrane Headline outcomes only
no estimate extracted
1 study · 15 participants
Very low

tDCS vs sham

Reduction in anxiety and depression · chronic neuropathic pain in MS

1 finding from 1 review

Non‐pharmacological interventions for chronic pain in multiple sclerosis 2018 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 35 participants
Very low

tDCS vs sham

Improvement in QoL · chronic neuropathic pain in MS

1 finding from 1 review

Non‐pharmacological interventions for chronic pain in multiple sclerosis 2018 · Cochrane Headline outcomes only
no estimate extracted
1 study · 19 participants
Very low

tDCS vs sham

Reduction in pain intensity · chronic neuropathic pain in MS

1 finding from 1 review

Non‐pharmacological interventions for chronic pain in multiple sclerosis 2018 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 35 participants
Very low

tDCS vs sham

Reduction in fatigue · chronic neuropathic pain in MS

1 finding from 1 review

Non‐pharmacological interventions for chronic pain in multiple sclerosis 2018 · Cochrane Headline outcomes only
no estimate extracted
1 study · 16 participants
Very low

Active tDCS plus semantic word‐retrieval training vs sham tDCS plus semantic word‐retrieval training

Word retrieval · adults with primary progressive aphasia (PPA)

1 finding from 1 review

Non‐pharmacological interventions for improving language and communication in people with primary progressive aphasia 2024 · Cochrane Headline outcomes only
no estimate extracted
1 study · 3 participants
Very low