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The Nervous System (Neurons (Dendrites, Axon, Myelin, Axon terminals),…
The Nervous System
Neurons
Dendrites
Axon
Myelin
Axon terminals
Neurotransmitters
Excitatory effect
Glutamate
Inhibitory effect
GABA
Dopamine
Neurotransmission as a lock-and-key-process
Central Nervous System
Brain
Spinal Cord
Peripheral Nervous System
Autonomic Nervous System
Sympathetic Nervous System
Parasympathetic Nervous System
Somatic Nervous System
Abnormal levels of specific neurotransmitters
Parkinson's Disease
Causes
No known cause
Symptoms
develop slowly and gradually over years
vary greatly between individuals
both motor and non-motor symptoms tend to vary in intensity from day to day and at different times of the day
Symptoms
Tremor
Muscle rigidity
Slowness of voluntary movement
Postural instability
Non-motor symptoms
decrease or loss of sense of smell
sweating
increases sensitivity to temperatures
fatigue not relieved by resting
mental health problems
problems with cognitive functioning
Managing
No known cure
Motor symptoms may be relieved via medication
Deep brain stimulation (DBS)