PSY 260-L15 Q5
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14 terms
Terms | Definitions |
|---|---|
Myasthenia Gravis | "Severe Muscle Weakness"-autoimmune disorder that attacks cholinergic receptors in muscle -treat with drugs that block AChE |
Amyotrophic Lateral Sclerosis | -aka LouGehrig's Disease-Loss of all motor control -only effects motor neurons |
Prefrontal Cortex | involved in memory, making decisions and plans, discovering consequences |
Movement Selection | Premotor and supplementary motor areas |
Movement Initiation | Primary motor cortex (precentral gyrus)-somatotopic organization, mapping of body |
Cerebellum | -basic movements, once it goes it goes-sequences of movements -timing of movements |
Basal Ganglia | -connections to motor cortex-controls motor function -can excite of inhibit motor cortex, controlling movement |
Basal Ganglia Disorders | -Huntington's disease-Parkinson's disease |
Huntington's Disease | -symptoms evident in 30's-40's-chorea, parachinesia -eventual slowness of movement and death -dementia, depression, anxiety, OCD |
Chorea | Excessive "dance-like" movements |
Parachinesia | When you try and disguise the involuntary movements |
Parkinson's Disease | 1817 James Parkinson "shaking palsy"-refer to slide |
Neuropathology of Parkinson's Disease | loss of dopaminergic cells in the substantia nigra, contained within a midbrain. This leads to reduction and slowness of movement |
Treatments | -L-dopa-fetal tissue transplant |
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