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How special sense works with other special senses?
Hearing effects our balance:
The inner ear has two functions, these are hearing and balance.
The bony labyrinth of the inner ear has three parts; these are
The cochlea – which is responsible for hearing
Semicircular canals – these have functions associated with balance
The vestibule – these connects the two previous parts and contain two more balance and equilibrium related structures. The two structures are the saccule and utricle. They have fluid in them that moves around when we move our head from side to side.
Balance is an arrangement that takes sensory information from a variety of organs to tell the body where it is related to the earth and gravity. Vision also helps with balance.
Once the brain has interpreted these signals as movement, it then controls your eyes so that they can provide information about your position.
If the signals that have been sent to the brain from the vestibular system do not match, then dizziness or motion sickness can occur.
For example: when you are in a boat, if you look at the boat rather than the horizon there is a discrepancy between your ears, eyes and body this causes motion sickness. Your eyes can see that you are not moving but your body and ears tell it otherwise.
How this works:
Information is sent to the vestibular system
This is then sent to the brainstem, the cerebellum and spinal cord
Then the body moves accordingly.
Hearing enhances our sight:
The way we hear sounds can affect how we see things and vice versa. This helps when we play a ball game like table tennis. We see and hear where the ball lands on the table thus indicating where and how to hit it.
When what we see affects the way we hear things, this is called the McGurk effect.
I would like to play a short video to explain this effect.
Horizon: Is seeing believing - BBC