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Human Brain - Voluntary Action

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  • Voluntary actions  are based on deciding what to do next.  So, the brain also has to send messages to muscles.
  • The fore-brain is the main thinking part of the brain. It has regions which receive sensory impulses from various receptors.
  • Separate areas of the fore-brain are specialised for hearing, smell, sight and so on.  There are separate areas of association where this sensory information is interpreted by putting it together with information from other receptors as well as with information that is already stored in the brain.
  • Based on all this, a decision is made about how to respond and the information is passed on to the motor areas which control the movement of voluntary muscles, for example, our leg muscles.
  • Activities like walking in a straight line, riding a bicycle, picking up a pencil. These are possible due to a part of the hind-brain called the cerebellum. It is responsible for precision of voluntary actions and maintaining the posture and balance of the body.


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