psych 260 chapter 14

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psych 260 chapter 14
2011-05-17 21:25:26
psych chapter

psych 260 chapter 14
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  1. tumor
    a mass of cells whose growth is uncontrolled and that serves no useful function
  2. benign tumor
    a non-cancerous tumor; has a distinct border and cannot metastasize
  3. malignant tumor
    a cancerous tumor; lacks a distinct border and may metastasize
  4. metastasize
    the process by which cells break off of a tumor, travel through the vascular system, and grow elsewhere in the body
  5. Glioma
    cancerous brain tumor composed of one of several types of glial cells
  6. meningioma
    benign tumor composed of the cells that constitute the meninges
  7. Generalized seizure
    a seizure that involves most of the brain
  8. Partial Seizure
    begins at a focus and remains localized, not generalizing to the rest of the brain
  9. Partial Seizure: complex Pariatal seizure
    produces loss of consciousness
  10. Status epilepticus
    a series of seizures without regaining consciousness; excessive release of glutamate
  11. Aura
    sensation that precedes a seizure; type of sensation depends on the location of seizure focus
  12. Stroke: Cerebrovascular accident (Hemorrhagic stroke)
    Rupture of a cerebral blood vessel
  13. Stroke: Cerebrovascular accident (Obstructive stroke)
    Occlusion of a blood vessel
  14. Thrombus
    A blood clot that forms within a blood vessel, which may occlude it
  15. Ischemia
    the interuption of the blood supply to a region of the body
  16. fetal alchohol syndrome
    includes characteristic facial anomalies and faulty brain development; neural adhesion protein disrupted so that neuron growth is misguided
  17. Down syndrome (not inherited)
    change in the 21st pair of chromosomen(mutation)
  18. Tay sachs (heritable)
    lack of enzymes in lysosomes causes accumulation of waste produces and swelling of cells of the brain
  19. PKU (recessive)
    Aunosomal syndrome, carried along another pair of chromosomes thats not the sex chromosome pair
  20. Parkinson's disease (degenerative)
    Genetic, idiopathic; tremors-->cognitive imparement; dopamine antagonist (up regulates the level of dopamine in treatement of parkinson's), deep brain stimulation also involved in treatment
  21. Hunington's disease (autosomal dominant)
    degeneration of the basal ganglia, Exact mechanism is unclear, motor symptoms include uncontrollable jerking and writhing movements, cognitive symptoms include dementia
  22. Multiple Sclerosis (Not hereditary disease, but combination of genetic, environmental & infectious factors)
    Autoimmune demyelinating disease, motor movements are impared, eats away and destroys the myelin sheath
  23. Alzheimer's disease: main syndrome
    gradual memory loss
  24. Alzheimer's disease: characteristics
    brain atrophy, plaques in brain, neurofibrullary tangles (death of neurons and buildup)
  25. Biological factors related to alzheimer's disease
    Decline in acetylcholine production, problems with disposal of ameloid-beta proteins, increased inflamatory response of glial cells
  26. Other factors related to Alzheimer's disease
    head trauma, lack of positive stimuli in enviornment