Research Article

Simultaneous Dual-Task Interventions That Improve Cognition in Older Adults: A Scoping Review of Implementation-Relevant Details

Table 4

Types of participants in the interventions.

StudyIntervention typeAge (years)Average BMI (kg/m2)Health statusOriginal functioning (physical activity levels, mobility, preexisting routines, and everyday functioning in daily activities)Original cognitive statusLiving situationRisk status (falls and frailty)

[28] Anderson-Hanley et al.Cybercycle exergame group≥7529No neurological conditions and written physician approvalAdequate cybercycle functionality
Average kcal/day reported
42% with mild cognitive impairment diagnosisIndependent living centresNot reported
[29] Eggenberger et al.Dance exergame>6524.4No recent head injury and consent from physician for chronic/terminal illnessesAbility to walk for approximately 10 min on a treadmill.
Average treadmill walking speed reported
No Alzheimer’s disease/dementia diagnosisIndependent or senior residence facilitiesNot reported
[30] Esmail et al.Dance/movement training>60Not reportedRange of medications reported. No known conditions; no hormone therapy, smokers, or general anaesthetic taken recently. Some reported family history of cognitive disorder. Good hearing and vision reported<150 min/week of moderate intensity and structured exercise.
No mobility limitations or neuropsychologically tested.
≤2 standard measures of alcohol pre day reported.
Ability to complete ADLs and IADLs
Cognitively intact.
Mini-Mental score of ≤24 were excluded
Not reportedSome reported falls in the last year.
Not frail
[31] Hars et al.Music-based multitask exercise classes>6526Some reported having psychotropic medications; prostheses; tendon rupture; vision problems; low comorbidities; cardiac, nervous system, and balance disordersAverage kcal/week and Timed Up and Go assessment scores reportedCognitively intact
Mini-Mental score >25
Not reportedSome reported falls in the last year.
Physically frail
[32] Kitazawa et al.Net step exercise>70Not reportedNo severe heart failure, dementia, cognitive and physical conditionsSelf-reported ability to walk independently >10 min without sitting or using assistive devices. No net step exercise and ability to drive prior to intervention. Timed Up and Go assessment score reportedCognitively intactNot reportedNot reported
[33] Li et al.Tai Chi Quan exercise>7029.2No major medical and physical conditions. Some reported having chronic conditions and taking multiple medications.
Approval from practitioner to participate in intervention
Impaired mobility but ability to walk 1/2 blocks with or without assistive devices. Timed Up and Go assessment score reported. No daily/structured physical activity, >15 min walking, or muscle strengthening activities done recentlyDementia
Mini-Mental score ≤20
Not reportedAll had at least one fall recently
[34] Monteiro-Junior et al.Exergame Wii group>6566Some reported taking multiple medications.
No cardiovascular conditions, acute musculoskeletal injury, delirium but some reported having diseases
Independent ambulationMild cognitive impairment.
Ability to communicate.
Mini-Mental score between 22 & 25
Long-term careNot reported
[35] Mortimer et al.Tai Chi group>60Not reportedNo stroke, neurological conditions, contradictions for MRI. Some reported being smokersNo participation in vigorous exercise or Tai Chi practice. Excluded if unable to walk unassisted for 2 km or maintain balance.
Average time spent exercising reported
Cognitively intact.
No cognitive impairment/dementia.
Mini-Mental score >26
Not reportedNot reported
[36] Noice and NoiceTheatre group>68Not reportedSome reported taking multiple medications.
No conditions affecting participation reported.
Ability to hear instructions and read large type scripts
Ability to stand and move about for few minutes with or without assistive devices.
Sufficient everyday functioning to participate in theatre exercises
Ability to comprehend instructions and execute movements to communicate meaning of the sceneIndependent living sections or assisted living unitsNot reported
[37] Norouzi et al.Motor-cognition
Dual-task group
≥65Not reportedNo lower extremity injuries, myocardial infarction, uncontrolled blood pressure, Alzheimer’s disease, visual impairment, mental and neurological conditionsAbility to stand upright for ≥2 min and walk 20 m without auxiliary equipment.
Good physical activity status.
Physical activity levels reported
Cognitively intact.
Mini-Mental score ≥ 24
Not reportedNot reported
[38] Schoene et al.Exergame group>70Not reportedSome reported taking multiple medications.
No major lower extremity pain, corrected vision of less than 6/16, colour-blindness, cognitive, neurocognitive and unstable conditions.
Low functional comorbidity reported
Ability to walk with or without a walking aid and step unassisted on a step padCognitively intact and mild cognitive impairment.
Mini-Cog score >3
Independent living apartments of retirement villagesSome reported falls and concerns about falling
[39] Silsupadol et al.Simultaneous motor and cognitive dual-task group≥65Not reportedNo neurological and musculoskeletal diagnosis reported.
All reported having balance impairment
Berg balance scale average score of <52 and/or walking with a self-selected gait speed of ≤1.1 m/s includedCognitively intact
Mini-Mental score >24
Not reportedNot reported
[40] Sungkarat et al.Tai Chi group>6523.9Some reported taking multiple medications.
No neurological, depressive symptoms, acute & chronic conditions, or drugs taken for cognition
Physical ability to participate in intervention.
Excluding individuals who engaged in regular exercise ≤30 min/day, ≤3 days per week
Amnestic multiple-domain mild cognitive impairment.
Adequate memory and ability to comprehend instructions.
Mini-Mental score >26
Not reportedSome reported falls in the last year
[41] Tsang et al.Qigong exercise group>80Not reportedNot reportedAble to walk with or without assistive devicesMild dementia.
Mini-Mental score >23
Residential care facilities or day centresFrail

The data relates to the SDT group only.