Proprioception
- Created by: Nathan
- Created on: 31-03-13 16:48
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- Proprioception
- Vestibular System
- Provide information about forces on the body
- Types of equilibrium
- Static equilibrium= detects motion along a line (linear acceleration)
- Dynamic equilibrium= detects rotational movements, acceleration and deceleration
- Semicircular canals
- Detect angular acceleration
- Filled with endolymph fluid
- Head movement causes push/pull forces on hair cells
- Hair cell movement --> action potential
- Capulla= bundle of hair cells in ampulla
- Utricle and saccule
- Macula= sensory epithelium consisting of hair cells
- When head tilts, gravity displaces membrane and gelatinous layer
- Detects rotation, pitch and yaw
- Provide information about forces on the body
- Synapses with vestibulocochlear nerve (Cranial nerve VIII)
- Vestibular System
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