Inclusion Criteria:  Age ≥ 18 years Ischemic or haemorrhagic cerebral stroke ≥ 8 weeks before study inclusion Cognitive complaint and/or clinical impression of dysexecutive syndrome  Z-Score < -1.0 in at least two of the following domains  Cognitive flexibility (Trail-Making Test B/A) Cognitive interference (Stroop color word interference task) Divided attention (TAP divided attention) Working memory (TAP working memory, Forward Digit Span, Backward Digit Span) Design fluency (Five-points test)  Exclusion Criteria:  Major neurocognitive disorder according to the DSM-5 Proximal extremity paresis grade < M4 on the Medical Research Council (MRC) Scale for Muscle Strength in at least one of four extremities Insufficient visual acuity, visual field or hemispatial attention to engage in the training Inability to discriminate colour: < 12 points on the Ishihara test Changes over the last 4 weeks in antidepressive, anxiolytic or in acetylcholinesterase inhibitor drugs Thoracic pain and/or heart palpitations at rest, during or following a physical effort (based on self-report) Clinically unstable cardio-vascular disease Falls in the past 12 weeks as evaluated in the enrolment interview [Hopkins Falls Grading Scale (Grade >1)] High risk of falling according to a score of over 15 seconds on the Four Square Step Test (FSST) Insufficient knowledge or capacity of French to follow instructions Incapacity or unwillingness to provide informed consent