Findings

What do systematic reviews say?

83 questions · 86 findings · 7 reviews · Dementia and Cognitive Improvement

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No studies found 16 · 18.6%GRADE not reported 4 · 4.7%Very low 26 · 30.2%Low 30 · 34.9%Moderate 7 · 8.1%High 3 · 3.5%

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

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

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

Cognitive function · 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
2 studies · 37 participants
Very low

Intervention not reported

Global cognitive function measured at the end of the intervention period (12 weeks) · cognitively healthy people in late life

1 finding from 1 review

Computerised cognitive training for 12 or more weeks for maintaining cognitive function in cognitively healthy people… 2020 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 232 participants
Low

Intervention not reported

Cognitive subdomain: speed of processing measured at the end of the intervention period (12 to 16 weeks) · cognitively healthy people in late life

1 finding from 1 review

Computerised cognitive training for 12 or more weeks for maintaining cognitive function in cognitively healthy people… 2020 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 204 participants
Very low

Intervention not reported

Cognitive subdomain: executive functioning measured at the end of the intervention period (12 weeks to 6 months) · cognitively healthy people in late life

1 finding from 1 review

Computerised cognitive training for 12 or more weeks for maintaining cognitive function in cognitively healthy people… 2020 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 292 participants
Low

Intervention not reported

Cognitive subdomain: working memory measured at the end of the intervention period (16 weeks) · cognitively healthy people in late life

1 finding from 1 review

Computerised cognitive training for 12 or more weeks for maintaining cognitive function in cognitively healthy people… 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 60 participants
Low

Intervention not reported

Cognitive subdomain: verbal fluency measured at the end of the intervention period (6 months) · cognitively healthy people in late life

1 finding from 1 review

Computerised cognitive training for 12 or more weeks for maintaining cognitive function in cognitively healthy people… 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 150 participants
Low

Intervention not reported

Cognitive subdomain: episodic memory measured at the end of the intervention period (12 to 17 weeks) · cognitively healthy people in late life

1 finding from 1 review

Computerised cognitive training for 12 or more weeks for maintaining cognitive function in cognitively healthy people… 2020 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 439 participants
Low

Intervention not reported

Cognitive subdomain: speed of processing measured at the end of the intervention period (12 to 16 weeks) · cognitively healthy people in late life

1 finding from 1 review

Computerised cognitive training for 12 or more weeks for maintaining cognitive function in cognitively healthy people… 2020 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 138 participants
Very low

Intervention not reported

Cognitive subdomain: executive functioning measured at the end of the intervention period (12 to 17 weeks) · cognitively healthy people in late life

1 finding from 1 review

Computerised cognitive training for 12 or more weeks for maintaining cognitive function in cognitively healthy people… 2020 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 230 participants
Very low

Intervention not reported

Cognitive subdomain: working memory measured at the end of the intervention period (12 to 16 weeks) · cognitively healthy people in late life

1 finding from 1 review

Computerised cognitive training for 12 or more weeks for maintaining cognitive function in cognitively healthy people… 2020 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 392 participants
Low

Intervention not reported

Global cognitive function measured at the end of the intervention period · cognitively healthy people in late life

The review found no eligible studies for this question.

1 finding from 1 review

Computerised cognitive training for 12 or more weeks for maintaining cognitive function in cognitively healthy people… 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Intervention not reported

Cognitive subdomain: episodic memory measured at the end of the intervention period (6 months) · cognitively healthy people in late life

1 finding from 1 review

Computerised cognitive training for 12 or more weeks for maintaining cognitive function in cognitively healthy people… 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 150 participants
Low

Intervention not reported

Global cognitive functioning · cognitively healthy people in midlife

The review found no eligible studies for this question.

1 finding from 1 review

Computerised cognitive training for maintaining cognitive function in cognitively healthy people in midlife 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Intervention not reported

Cognitive subdomain: episodic memory, 6 months of · cognitively healthy people in midlife

1 finding from 1 review

Computerised cognitive training for maintaining cognitive function in cognitively healthy people in midlife 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 3090 participants
Low

Intervention not reported

Cognitive subdomain: executive functioning, 6 months of · cognitively healthy people in midlife

1 finding from 1 review

Computerised cognitive training for maintaining cognitive function in cognitively healthy people in midlife 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 3994 participants
Low

Intervention not reported

Cognitive subdomain: working memory, 6 months of · cognitively healthy people in midlife

1 finding from 1 review

Computerised cognitive training for maintaining cognitive function in cognitively healthy people in midlife 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 5831 participants
Low

Intervention not reported

Cognitive subdomain: speed of processing · cognitively healthy people in midlife

The review found no eligible studies for this question.

1 finding from 1 review

Computerised cognitive training for maintaining cognitive function in cognitively healthy people in midlife 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Intervention not reported

Global cognitive functioning ( · patients with mild cognitive impairment

1 finding from 1 review

Computerised cognitive training for preventing dementia in people with mild cognitive impairment 2019 · Cochrane Headline outcomes only
no estimate extracted
5 studies · 407 participants
Very low

Intervention not reported

Global cognitive functioning (measured at 12 months of · patients with mild cognitive impairment

1 finding from 1 review

Computerised cognitive training for preventing dementia in people with mild cognitive impairment 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 37 participants
Very low