Sensory loss

Sensory loss in GBS, if present, takes the form of proprioception (loss of sence of one's own perception of the relative position of neighbouring parts of the body to each other), which is occasionally impaired spontaneously, especially with extreme fatigue.

Proprioceptors act like the balance poles used with walking a tightrope. It helps maintain a stable center of gravity. If we are falling to the right, the pole balances the left and vise versa. Poor proprioceptive activity leaves the body walking a tightrope without a pole.

Sensory ataxia in Miller Fisher syndrome can be detected by postural body sway. Loss of proprioception accounts for the ataxia.