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Freud
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- believed heavily on the unconscious mind
- repression of sexual urges and aggressive urges - Id: instinct/unconscious - Ego: rational - Superego: mediates the two / morals |
What is neuro-psychoanalysis
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- movement within neuroscience and psychoanalysis to combine the insights of both to yield a unified understanding of the mind and brain
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What are knownn causes of disorders
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- genetic
- progressive cell death - rapid cell death - loss of neural connection |
What is phenylketurnia (PKU)
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- a behavioral disorder
- you need to reduce the levels of phenylalanine - results in mental retardaton if you leave it untreated |
Why is it difficult to diagnose behavioral disorders?
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- because people are objective (one person's thoughts may be different from another)
- people are seldom specific in their symptoms - those that evaluate the symptoms have their own conceptual biases |
Why do we avoid investigatting with animal models?
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- because they are oversimplified
- many symptoms are cognitive, and very hard to mimick in a lab |
What is epidemiology
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- the study of the distribution and causes of diseases in human populations
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What are the 2 sets of criteria for diagnoses
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- ICD-10: WHO classification system
- DSM: APA |
Explain the use of brain imaging
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- we can't exactly diagnose mental disorders thought brain imaging
- the imaging tools need to be sensitive enough to detect unique features and specific enough to rule out similar conditions |
What are the types of organic abnormalities?
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- genetic disorders (ex. huntingtons)
- developmental (ex. autism) - infectious (ex. meningitis) - NS injuries (ex. brain and spinal cord trauma - Degenerative Dementias (ex. Alzheimer's) |
What do all of those abnormalities include?
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- the absense/presense/death of neurons or glia
- neural connections with unusual connections |
Explain biochemical abnormalities
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- disordered proteins in cell-membrane channels
- low/high # of neuroreceptors - low/high # of molecules (neurotransmitters/hormones) |
What are the types of neurosurgical treatment
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- Deep Brain Stimulation
- Stem Cell Therapy |
What is Deep Brain Stimulation (DBS)
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- where they put an electrode into the brain and stimulate a targeted area to facilitate behavior
- can treat Parkinson's and depression - the recovery time is long - you have to keep them on stimulation, or else you risk relapsing |
WHat is stem cell therapy
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- where we use fetal cells for implanting
- multipotent stem cells from other parts of the body is more effective |