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. 2020 Feb 26;2020(2):CD011961. doi: 10.1002/14651858.CD011961.pub2

Alloni 2018.

Methods Randomised Controlled Trial (RCT)
Participants Diagnosis of idiopathic Parkinson’s disease (PD) according to UK Parkinson’s Disease Society Brain Bank (UKPDBB) diagnostic criteria, Hoehn and Yahr scale ≤ 4, and presence of single‐domain (executive) or multiple‐domain mild cognitive impairment (MCI) with executive involvement.
Number randomised n = 31.
Interventions Computerised exercises of the CoRe tool tailored to individuals' performance aimed at training executive function (logical analogies and sequences, find the elements and functional planning); over 4 weeks; 12 sessions lasting 45 minutes each.
Control group received an intervention incorporating motor rehabilitation combined with recreational activity.
Outcomes

  • Global cognitive function

  1. Mini‐Mental State Examination (MMSE)

  2. Montreal Overall Cognitive Assessment (MoCA)

  • Memory ‐ Verbal and spatial memory

  1. Verbal and digit span

  2. Corsi’s block‐tapping test

  3. Logical Memory test with immediate and delayed recall

  4. Rey’s 15‐words test with immediate and delayed recall

  5. Rey’s Complex Figure Test (ROCF) Delayed Recall

  • Executive function: Logical‐executive functions

  1. Raven’s Progressive Matrices

  2. Weigl’s Sorting test

  3. Frontal Assessment Battery

  4. Semantic fluency and phonological fluency (F‐A‐S Tests)

  • Attention

  1. Attentive Matrices

  2. Trail Making Test Part A – (TMTa) – and Trail Making Test Part B (TMTb) –

  3. Stroop test

  • Visuo‐spatial abilities

  1. ROCF Copy
Notes  
Risk of bias
Bias Authors' judgement Support for judgement
Random sequence generation (selection bias) Unclear risk Mentions participants were randomly allocated. No further details.
Allocation concealment (selection bias) Unclear risk No details provided.
Blinding of participants and personnel (performance bias) 
 All outcomes Unclear risk Authors communicated that participants were not blinded.
Blinding of outcome assessment (detection bias) 
 All outcomes Unclear risk No further details.
Incomplete outcome data (attrition bias) 
 All outcomes Unclear risk Numbers of completers provided but no reasons for attrition.
Selective reporting (reporting bias) Low risk All outcomes reported.
Other bias Low risk None identified.