This is a multicenter, controlled, non-randomized interventional clinical study, with minimal risks and constraints, aimed at verifying the reliability of the French version of the VRSQ questionnaire (VRSQ-F) and the validity of the VRSQ-F score by comparing it with the SSQ score.

Inclusion Criteria:

For Healthy people :

• Men or women aged 18 to 65
• Person affiliated to a social security scheme
• Healthy person with no particular medical condition
• Having given their consent to participate in the research

For patients :

• Men or women aged 18 to 65
• Persons affiliated to a social security scheme
• People undergoing regular rehabilitation, walking or in a wheelchair, who can use a virtual reality solution as part of their care.
• Having given their consent to take part in the research

Exclusion Criteria:

• Vestibular and cardiac pathologies, and major visual disorders not compatible with virtual reality rehabilitation
• Cognitive and language disorders
• Persons under legal protection
• Pregnant women
• MSSQ greater than 15
• People suffering from photosensitive epilepsy
• Persons under the influence of medication that may impair drugs or alcohol
• Participant with an implanted medical device that may be affected by radio waves emitted by compatible third-party equipment (e.g. : Pacemaker)