Inclusion Criteria:  20 stroke participants  Hospitalized in neurorehabilitation Hemisphere stroke (Right or left) Stroke delay < 6 months Presence of lateropulsion assessed by the Scale for Contraversive Pushing (SCP) > 0.5  20 healthy participants  No history of stroke or others neurological pathologies No balance disorders No history of vestibular or dizzissness disorders  Exclusion Criteria:  All  History of psychiatric disorders Nyctophobia Advanced heart failure Severe trunk deformation with C7 lateral > 30 mm due to a independant cause beyond the stroke (i.e., scoliosis) or history of postural disorder  20 Stroke participants  Medical instability making the assessment impossible Comprehension deficits with Boston Diagnostic Aphasia Examination gravity score ≥3 History of vestibular or dizzissness disorders No previous neurological history interfering with balance Inability to understand and execute simple orders Severe untreated depression (Aphasic Depression Rating Scale (ADRS) score >15)