Balance

Physiology of Balance and Vestibular Functions Prof. Vajira Weerasinghe Dept of Physiology

Major functions ,[object Object],[object Object],[object Object],[object Object]

Vestibular apparatus ,[object Object],[object Object],[object Object]

Vestibular apparatus ,[object Object],[object Object]

Semicircular canals ,[object Object],[object Object],[object Object]

During movement ,[object Object],[object Object],[object Object]

During movement movement of the cupula and its embedded hairs during rotation first in one direction and then in the opposite direction

Transduction in semicircular canals ,[object Object],[object Object],[object Object],[object Object],[object Object]

Transduction in semicircular canals ,[object Object],[object Object],[object Object],[object Object]

Otolith organs (utricle and saccule) ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object]

Central connections ,[object Object],[object Object],[object Object]

Role in posture ,[object Object],[object Object],[object Object]

Postural reflexes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Video

Vestibulo-ocular reflex ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Video

Eye movements ,[object Object],[object Object]

What is nystagmus? ,[object Object]

Various types of nystagmus ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Physiological basis of nystagmus ,[object Object],[object Object],[object Object],[object Object]

Oculocephalic reflex (Doll’s head phenomenon, Doll’s manoevre) Doll’s head phenomenon ,[object Object],[object Object],[object Object],[object Object],[object Object]

Caloric testing ,[object Object],[object Object],[object Object],[object Object],Video

Vertigo ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Balance

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