Inclusion Criteria:  First neurological event, affecting the right hemisphere or the left hemisphere (stroke); Structural images of the brain lesion available (magnetic resonance or tomographic scans); Full somato-sensory deficit affecting the left hand; Good (or corrected) visual acuity; Good proficiency in French; Right-handed  Exclusion Criteria:  Failure to meet the inclusion criteria ; Presence of general cognitive deficits and/or suspicious of possible cognitive deficits; Presence of difficulty in task's comprehension; Impossibility to sustain a research session of at least 45minutes (e.g., attentional lability); Precedent additional neurological disorder and/or current or precedent psychiatric disease.