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Lecture 5a - Lecture 5 A Children with neurological...

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Lecture 5. A) Children with neurological disabilities – Introduction Introduction - Damage to the central nervous system can cause various problems - For example, o Decreased range of motion o Reduced strength of movement o Unwanted/uncontrolled movement - Many suffer co-occurring disabilities - Aided in general classrooms, resource rooms and special classes Human Central Nervous System - Consists of the brain, the spinal cord and all the associated nerves and sense organs - The spinal cord and the brain are composed of glial cells (supportive cells of neurons) - Blood brain barrier limits the passage chemicals into the brain - Neurons are the basic units of neurological functioning o Have a cell body, a cell membrane, a nucleus and a cytoplasm o Consists of three parts The cell body An axon Dendrites o Electrical charge of the neurons is changed by the release of neurotransmitters - Myelination makes the nervous system work o Myelin sheath speeds up the nerve pathways The Brain -
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