Fig. 6From: Haptic wearables as sensory replacement, sensory augmentation and trainer – a reviewSensory feedback applied to the tongue. (left) An electrotactile array for applying feedback to the tongue (Brainport balance device). (right) An example of tactile stimulation applied to the tongue to give feedback on head tilt for individuals with vestibular loss. Images from [132] used with permission from ElsevierBack to article page