PSYA01H3 Chapter Notes - Chapter 4: Axon Terminal, Spinal Nerve, Excitatory Synapse

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24 Apr 2013
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Central nervous system- the brain and the spinal cord. Peripheral nervous system- the cranial and spinal nerves: that part of the nervous system peripheral to the brain and spinal cord. Cranial nerve- a bundle of nerve fibres attached to the base of the brain: convey sensory info from the head and carries messages to muscles pons, and mid-brain behaviours. Primarily control of physiological functions and automatic: cerebral hemispheres- the largest part of the brain. Covered by the cerebral cortex and containing parts of the brain that evolved most recently: cerebellum- a pair of hemispheres resembling the cerebral hemispheres but much smaller and lying beneath and in back of them. Controls posture and movements: the brain is protected in the skull, and the spinal cord runs through the middle of the column of hollow bones (vertebrae) Vertebra- one of the bones that protect the spinal cord and create the vertebral column.

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