Head Shaking Test (H.S.T.) (Evaluation)

This is an essential test in the protocol.

head shaking test

It can be carried out:

 

Haines et al. have suggested that this type of “revealed” nystagmus could reflect an asymmetry of the velocity storage mechanism in the vestibulo-ocular pathways. Rotation towards the healthy side would result in higher velocity storage than on the deficit side. Furthermore, this hypothesis is in keeping with the Ewald’s second law.

 

Head shaking test to diagnose vestibular disorders