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Nervous System Health

Nervous System Health

Author: Nathan Lampson

This lesson will introduce several disorders of the nervous system and will investigate their cause and effect on the brain.

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Terms to Know
Alzheimer’s disease

A form of dementia caused by a slow degeneration of the cerebral cortex.


A class of social disorders in which people have a hard time forming normal social relationships and display repetitive behavior.


A type of brain injury where it is “shaken violently”; can cause disruption of neuron activity and should be monitored closely. There are different levels of concussions that can occur.


Swelling of the brain caused by infection.


Inflammation of the meninges; caused by a bacterial or viral infection.

Multiple sclerosis

A demyelinating disease that causes motor complications, loss of sensations, and have episodes often referred to as “flare-ups.”


Complete loss of voluntary function.

Parkinson’s disease

A disease caused by degeneration of the midbrain (substantia nigra) that causes a marked inability of a person to relax their muscles.


A psychotic disorder that causes delusions, hallucinations, incoherent speech, inappropriate /negative behavior.


Sudden, involuntary movement caused by erratic uncoordinated discharges by the brain.