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16 Cards in this Set
- Front
- Back
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What is the aim of the biological approach? |
correct neurotransmitter imbalances in the brain causing mental illness using drugs |
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What causes schizophrenia |
too much dopamine |
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2 types of antipsychotics |
conventional and atypical |
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Describe conventional anti psychotics |
Examples include chlorpromazine, combat the positive symptoms of schizophrenia by blocking dopamine action in the brain by binding to dopamine receptors CAUSE TARDIVE DYSKINESIA IN 30% of users |
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Describe atypical anytipsychotics |
CLOZAPINE, WORK SIMILARLY TO CONVENTIONAL BUT ONLY BLOCK DOPAMINE RECEPTORS TEMPORARILY |
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What causes depresion |
too little of the neurotrasmitter serotin |
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2 ways antipsychotics work |
SSRI or block enzyme which breaks serotonin down |
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describe ssri's |
include prozac and lithium they reduce the reuptake of serotonin by nerve cells |
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enzyme |
Antidepressants can also block the release of the enzyme which breaks serotonin down from being released. This increases amount of serotonin in synaptic gaps of the brain |
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Evaluate SSRI's |
Individuals who take SSRI's are twice as likely to commit suicide . In 2000 Viguera found that 60% of individuals with manic depression who took lithium improved |
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Name 2 anti psychotic drugs |
Benzodiazepines and beta blockers |
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DISCUSS how benzodiazepines work |
Valium is an example, enhance GABA, the bodies natural anxiety relief, action producing a calmer sensation as the central nervous systems activity is reduced. |
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Discuss how beta blockers work |
e.g. inderal. They reduce activity of adrenalin and noradrenalin to combat symptoms of anxiety |
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What are the symptoms of schizophrenia |
hallucinations |
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symptoms of depression |
insomnia, lack of motivation and mood swings |
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symptoms of anxiety |
EXCESS SWEATING AND HEART PALPITATIONS |
