Download - The organization of the nervous system

Transcript
Page 1: The organization of the nervous system

The organization of the nervous system

Page 2: The organization of the nervous system

Structure of the human cerebral cortex

Page 3: The organization of the nervous system

Structure of the human cerebral cortex

Sensory map

Page 4: The organization of the nervous system

Structure of the human cerebral cortexMotor map

Page 5: The organization of the nervous system

Neuromuscular junction

Page 6: The organization of the nervous system

Neuromuscular junction

How to manipulate it ?CurareACh-ase inhibitors Myastenia gravisBotulinum toxinPesticides

Page 7: The organization of the nervous system

Parkinson’s diseaseBasal ganglia

Page 8: The organization of the nervous system

Parkinson’s diseaseMost common symptoms

Shaking (tremor) at Rest

Stiffness (rigidity)

Slow Movement (bradykinesia)Balance Problems (postural instability)

Page 9: The organization of the nervous system

Multiple sclerosis

Myelin

Page 10: The organization of the nervous system

Multiple sclerosis

Demyelination

Page 11: The organization of the nervous system

Multiple sclerosisProgression

Page 12: The organization of the nervous system

AMLAmyotrophic Lateral Sclerosis

(Lou Gherig disease”)

Mutation or defect in neuronal SOD activity

Excess oxidative stress to neuronal mitochondria

Degeneration of motor neurons

Paralysis – muscular atrophy

Exacerbated by glutamate neurotransmitter activity