Chemotherapy

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What is the main assumption of the biological approach?
Normal behaviour is determine by balanced brain chemicals
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What is abnormal behaviour caused by?
Inbalance of brain chemicals
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How does this directly link chemotherapy?
It aims make abnormal behaviour normal by restoring the balance of brain chemicals
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What does Chemotherapy use?
using drugs to enter the bloodstream in order
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What does these drugs aim to do
Alter the levels of neurotransmitters
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For example?
anti depresant drugs such as Prozac will raise levels of serotonin which in turn will life the mood of the patient
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What does the therapist do first?
Diagnose the patient
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On the basis of what?
Their symptoms
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What does the therapist use?
The DSM or ICD systems
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What are two examples?
Suicidal thinking may lead to a diagnosis of depression. Hallucinations and delusions may lead to a diagnosis of schizophrenia
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What happens second?
A course of drugs will be prescribed
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How do some drugs work?
Preventing the reuptake of chemicals in the brain thus raising the levels of certain neurotransmitters
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How does SSRIs such as prozac work?
preventing the reuptake of serotonin thus improving the mood in someone with depression.
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How do other drugs work?
They bind to receptors thus lowering the level of certain neuro transmitters?
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For example?
CHloropromazine is an anti-psychotic which works by binding to D2 receptors thus lowering the level of dopamine in someone with schizphrenia
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How do antianxiety drugs work and example?
Beta blockers work by reducing the level of adrenaline in the body thus lowering heart rate
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What does the pateint be informed on?
Dosage and possible side effects
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What might some patients be given?
A placebo
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What is this to assess?
Whether the drug helps depression due to chemicals or due to the belief that Prozac will remove the suicidal thoughts
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After a course of anti-depressants the patient will return to the therapist to discuss what?
Whether the drug has altered their behaviour
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For example?
suicidal thoughts or hallucinations have disappeared
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What might happen if symptoms are no better?
The dosage will be changed or a new drug introduced
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What else is discussed?
Side effects
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For example?
20% of patients on anti -psychotics experience tardive dyskinesia( involuntary spasms) as a side effect
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What else should be discussed?
risk of addiction or dependency
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Who reported a success rate?
Viguera
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What did he report?
Lithium was effective in treating bipolar disorder in over 60% of cases
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What cause bupolar?
Extreme levels of serotonin
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How does lithium work?
restores the balance of serotonin thus reducing the depressive and manic symptoms
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What does this illustatre?
Brain chemicals that affect behaviour has been successfully applied to chemotherapy to treat abnormal behaviour
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Card 2

Front

What is abnormal behaviour caused by?

Back

Inbalance of brain chemicals

Card 3

Front

How does this directly link chemotherapy?

Back

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Card 4

Front

What does Chemotherapy use?

Back

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Card 5

Front

What does these drugs aim to do

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