PSYC 3410 Lecture Notes - Lecture 2: Subthalamic Nucleus, Basal Ganglia, Idiopathy
7 Apr 2016
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N e u ro s c i e n c e i i. J a n ua ry 1 4 , 2 0 16. Down"s syndrome: 0. 15% of births, probability increases with advancing maternal age, extra chromosome 21 created during ovulation trisomy 21 (three copies of. 21: characteristic disigurement, mental retardation, other health problems. Epilepsy: primary symptom: recurrent seizures of endogenous origin (in the brain. Brain damage strokes can cause an onset of epilepsy. Faults at inhibitory synapses (gaba) both a and b receptors, excessive activation and iring of neurons: diagnosis: Bursts of high amplitude spikes during seizures activity starts in one area and spreads. Simple (jacksonian seizures) symptoms are primarily sensory or motor or both, spread as epileptic discharge and efect other brain regions. Tonic-clonic seizures (grand mal) loss of consciousness and equilibrium, violent tonic (rigidity/tensed) clonic (tremors/cramped up) convulsions, result in hypoxia (reduction in blood low/oxygen to the brain)
