Cybersickness imAgiNg Olfactory Evocation

Cybersickness imAgiNg Olfactory Evocation

The aim of this study is to, using fMRI, compare brain activations during olfactory imagery induced by different visual supports (words, pictures, colors and colored arrangements) in healthy subjects.

This will allow us to choose the best olfactory imagery facilitator and to assess its effect on cybersickness.

Inclusion Criteria:

• to be of French nationality who has always lived in metropolitan France;
• to be right-handed person;
• to be enrolled in a social security plan;
• to be able to understand the instructions given;
• to have underwent a pre-inclusion medical examination;
• to give a written consent;
• Person with a strong capacity for olfactory imagination: having obtained a score strictly below 2.5 on the fVOIQ olfactory imagination questionnaire.

Exclusion Criteria:

• to have an inability to read French;
• to be recognized as a synesthete;
• to have a professional activity requires intense olfactory activity;
• to have a partial or total loss of smell (hyposmia, anosmia);
• to have qualitative smell disorders (carcosomia, hyperosmia, phantosmia, parosmia);
• to have smell disorders of neurological, post-traumatic or neurodegenerative origin;
• to have uncorrected or poorly corrected visual disturbances;
• to have vestibular disorder diagnosed;
• any contraindication to MR examination (active medical device, ferromagnetic foreign body, pregnancy, morbid obesity, claustrophobia, … );
• subject under a measure of legal protection.