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neuroscience 8-10
neuro
22
Other
Undergraduate 4
10/23/2016

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Cards

Term
Myasthenia gravis symptoms
Definition
muscle weakness, fatigue
Term
muscular dystrophy symptoms
Definition
progressive muscle degeneration
Term
polio symptoms
Definition
damage to spinal motor neurons leading to mild to severe muscle paralysis
Term
accidental spinal cord damage symptoms
Definition
paralysis in muscles served by the spinal cord areas below the point of damage
Term
Amyotrophic lateral sclerosis (ALS) symptoms
Definition
general weakness, muscle atrophy,cramps, muscle twitching
Term
Parkinson's disease symptoms
Definition
Progressive difficulty initiating movement
Term
Huntington's disease symptoms
Definition
involuntary jerky movements, depression, hallucinations, delusions
Term
myasthenia gravis causes
Definition
autoimmune damage to the nicotinic ACh receptor
Term
Muscular dystrophy causes
Definition
abnormalities in the gene that encodes for the protein dystophin
Term
polio causes
Definition
virus
Term
accidental spinal cord damage
Definition
compression or laceration of the spinal cord
Term
ALS causes
Definition
Possible link to genetic inheritance, possible link to viral infection
Term
Parkinson's disease causes
Definition
genetic risk and exposure to toxins
Term
Huntington's disease causes
Definition
abnormalities in the gene that encodes for the protein huntington
Term
Lateral pathways
Definition
lateral spinal cord

connected to the motor cortex and red nucleus to spinal motor neurons

voluntary fine movements of hands feet and outlerlimbs
Term
ventromedial pathways
Definition
ventromedial spinal cord

connected to brainstem to spinal motor neurons

maintain posture; carry out reflexive responses to sensory input
Term
cerebellum
Definition
hindbrain

spinal motor neurons, forbrain motor sytems

sequencing of complex movements, mucsle tone, balance and coordination
Term
basal ganglia
Definition
forebrain

motor cortex, thalamus

choice and initiation of voluntary movements
Term
primary motor cortex
Definition
precentral gyrus of the frontal lobe

other cortical areas, basal ganglia, brainstem, spinal motor neurons

intiation of voluntary movements
Term
Premotor cortex
Definition
rostral to the primary motor cortex

thalamus, primary motor cortex

managing movement strategies
Term
supplementary motor area (SMA)
Definition
rostral to the primary motor cortex

thalamus, primary motor cortex

managing movement strategies
Term
anterior cingulate cortex
Definition
rostral portion of the gyrus doral to the corpus callosum

red nucleus and spinal motor neurons

selecton of voluntary movement based on prior reward
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