← All domains

Cognition & Neurodegeneration

Eyre (2017)
RCT · n=81
Mild cognitive impairment
High QI 0.933
Grzenda (2025)
RCT · n=79
Subjective cognitive decline (SCD) with cardiovascular risk factors in women at risk for AD
High QI 0.911
Kilpatrick (2023)
RCT · n=22
Subjective cognitive decline + AD risk
High QI 0.889
Lavretsky (2013)
RCT · n=39
Depression in dementia caregivers
High QI 0.889
Oughli (2025)
RCT Secondary Analysis · n=56
Subjective cognitive decline + AD peripheral biomarkers
Moderate QI 0.762
Engstrom (2010)
Mechanism/Methods Study · n=11
Attention/default mode (normal)
Moderate QI 0.757
Innes (2016)
Pilot RCT · n=60
Subjective cognitive decline
Moderate QI 0.756
Innes (2018)
RCT Secondary Analysis · n=22
Subjective cognitive decline
Moderate QI 0.736
Innes (2016)
RCT Secondary Analysis · n=60
Subjective cognitive decline
Moderate QI 0.736
Krause-Sorio (2022)
RCT · n=22
Subjective cognitive decline + AD risk
Moderate QI 0.733
Eyre (2016)
RCT · n=25
Mild cognitive impairment
Moderate QI 0.733
Newberg (2010)
Mechanism/Methods Study · n=15
Memory loss
Moderate QI 0.729
Liu (2026)
Systematic Review/Meta-Analysis · n=—
Meta-analysis: MCI, AD, PD, SCD (cognitive function)
Moderate QI 0.723
Innes (2017)
RCT Secondary Analysis · n=60
Cognitive decline (community)
Moderate QI 0.710
Moss (2012)
Pre-Post/Single-Arm Trial · n=15
Memory loss + anxiety
Low QI 0.702
Wang (2011)
Mechanism/Methods Study · n=—
Meditation/brain perfusion
Moderate QI 0.701
Newberg (2010)
Mechanism/Methods Study · n=8
Memory loss (neuroimaging)
Moderate QI 0.701
Ibrahim (2022)
Pilot RCT · n=14
Healthy older adults (aging focus, neuroprotection)
Moderate QI 0.689
Yang (2016)
RCT Secondary Analysis · n=20
Mild cognitive impairment (MCI)
Moderate QI 0.657
Newberg (2012)
Mechanism/Methods Study · n=—
Cognitive decline (neuroimaging review)
Moderate QI 0.645
Kanchan (2026)
Narrative Review · n=— Predatory concerns
Neuroimaging of KY/Kirtan Kriya — brain structure, function, and mechanisms
Low QI 0.542
Giridharan (b) (2024)
Narrative Review · n=215
Systematic review: KY for cognitive function and memory in MCI/SCD
Low QI 0.542