PSYC 355 Chapter 16 Part 1

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Author:
luckduck
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147480
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PSYC 355 Chapter 16 Part 1
Updated:
2012-04-13 17:59:46
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NEURO
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Chapter 16: Psychopathology Part 1
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  1. What is epidemiology?
    the statistical study of patterns of disease in a population
  2. What is delusion?
    a false belief strongly held in spite of contrary evidence
  3. What is schizophrenia?
    a severe psychopathology characterised by negative symptoms such as emotional withdrawal and impoverished thought, and by positive symptoms such as delusions and hallucinations.
  4. What is dissociative thinking?
    a condition, seen in schizophrenia, that is characterised by disturbances of thought and difficulty relating events properly.
  5. What are positive symptoms?
    hallucinations, delusions, excited motor behav
  6. What are negative symptoms?
    emotional and social withdrawal, blunted affect, slowness, impoverishment of thought and speech
  7. What are monozygotic twins? Dizygotic?
    mono are twins from a single egg. dizygotic are twins from two eggs. mono=identical twins, di=fraternal twins
  8. What is concordent? discordent?
    • concorden=both ppl in set of twins share the trait
    • discordent=one person in set of twins has trait
  9. What is the hypofrontality hypothesis?
    schizophrenia may reflect underactivation of the frontal lobes
  10. What is amphetamine psychosis?
    a delusional state resembling schizophrenia from repeated use of high doses of amphetamine
  11. What is chlorpromazine?
    an antipsychotic drug, one of the class of phenthiazines.
  12. What are phenothiazines?
    a class of antipsychotic drugs that reduce the postive symptoms of schizophrenia
  13. what are neuroleptics or antipsychotics?
    drugs alleviating symptoms of schizo by blocking dopamine receptors
  14. what are typical neuroleptics?
    a major class of schizo drugs that share antagonist activity at dopamine D2 receptors.
  15. What is the dopamine hypothesis?
    schizo results from excessive levels of synaptic dopamine or excessive post synaptic sensitivity to dopamine.
  16. What are atypical neuroleptics?
    a class of antischizophrenic drugs with actions other than antagonist activity at D2 receptors (typical neuroleptics). An example is clozapine.
  17. What is clozapine?
    an atypical neuroleptic
  18. What is phencyclidine? (PCP)?
    anesthetic agent thats also a psychedelic drug. Causes dissociation from yourself and environment.
  19. What is a psychotomimetic?
    a drug inducing a state similar to schizophrenia
  20. what is the glutamate hypothesis?
    that schizophrenia might be caused partly by the understimulation of glutamate receptors
  21. What is depression? (symptoms)
    a condition with unhappy mood, loss of interest energy and appetite and difficulty concentrating
  22. What is unipolar depression?
    depression that alternates with normal emotional states
  23. what is electroconvulsive shock therapy? (ECT)
    last resort treatment for depression where a electric current passes through the brain causing a seizure
  24. What is monoamine oxidase (MAO)?
    an enzyme that breaks down and thereby inactivates monoamine transmitters
  25. What is reserpine?
    a drug that causes the depletion of monoamines and can lead to depression
  26. what are selective serotonin reuptake inhibitors?
    a drug that blocks the reuptake of transmitter at serotonergic synapses, used to treat depression

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