Eyre (2017)
Quality Index (Adjusted QI) 0.933
0 Low < 0.56 Moderate 0.56–0.77 High ≥ 0.78 1
Study Details
ConditionMild cognitive impairment
Clinical domainCognition & Neurodegeneration
PopulationOlder adults with MCI
Sample sizen = 81
Country / SettingUSA - community health setting, older adult population
Protocol clusterKirtan Kriya (12-min)
Duration12 weeks, 60 min/week + daily 12-min Kirtan Kriya
Control typeActive Control
ComparatorMemory Enhancement Training
Outcomes & Effect Sizes
Primary outcomeMood/Depression + Cognition
Scales usedCognitive testing; depression/resilience scales; MMSE
Key resultMemory and executive function equal between groups; KY better resilience and depression
Effect sized = 0.52 (depression/resilience); small-moderate
ES value0.52 (d)
Retention90% (73/81 completed)
SafetyNo serious adverse events; well-tolerated
Methodological Summary
Randomized; active control (MET); small sample
KY Protocol Components
Kirtan Kriya: 12-minute singing meditation using mantra "Sa-Ta-Na-Ma" with finger movements (thumb touches index, middle, ring, pinky sequentially). Structure: 2 min aloud → 2 min whisper → 4 min silent → 2 min whisper → 2 min aloud. STUDY-SPECIFIC: Extended analysis of cognitive enhancement study; predictors of response and long-term sustainability.
Quality Item Scores — 1 fail · 2 partial · 3 pass · ★ critical
★A1
3
A2
3
★B1
3
★B2
3
B3
3
B4
3
★B5
3
B6
2
★B7
2
★B8
3
B9
3
★C1
3
C2
2
C3
3
JP1
3
Critical fails0
Raw QI0.933
SAF1
Adjusted QI0.933
Final ratingHigh