Affiliations: TIMC-IMAG Laboratory, CNRS UMR, Grenoble, France | IDS-SA, Montceau-les-mines, France | Palacky University, Olomouc, Czech Republic
Note:  Corresponding author: Olivier Chenu, TIMC-IMAG Laboratory, CNRS UMR 5525, Grenoble, France. E-mail: [email protected]
Abstract: This paper presents a study on the usage of different informative modalities as biofeedbacks of a perceptual supplementation device aiming at reducing overpressure at the buttock area. Visual, audio and lingual electrotactile modalities are analysed and compared with a non-biofeedback session. In conclusion, sensory modalities have a positive and equal effect, but they are not equally judged in terms of comfort and disturbance with some other activities.