Treatment PP - PSYC 100 Treatment 4/16/2008 Lecture Outline...

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05/11/09 PSYC 100 Treatment
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Lecture Outline Biological Therapies Psychotherapies Evaluating Therapies
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The Medical Model The Medical Model views abnormal behavior as reflecting a biological disorder Usually localized within the brain Involving either brain damage or a disruption of the neurotransmitter processes of the brain Person is viewed as a patient, treated by doctors in a mental hospital Therapies tend to be physical in nature Drugs (Pharmacotherapy) Surgical alteration of brain (Psychosurgery)
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Pharmacotherapy Psychotropic medications are drugs that act on the brain to alter mental function Prior to 1956, schizophrenia was virtually untreatable with many patients confined for life in mental hospitals Chlorpromazine (Thorazine) was found to reduce severity of psychotic thought, allowing people to live outside of mental institutions Reduced size of institutions The psychotropic actions of many drugs are often accidentally discoveries
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Psychotropic Mechanisms of Action Psychotropic drugs can alter behavior via: An interaction with neurotransmitters in brain Some release specific transmitters Some block the reuptake of transmitters Some interact with postsynaptic receptors Some may act within neuron cells A placebo effect Subjects believe in the efficacy of the drug and show an actual change in function (analgesia or relief from pain shows moderate placebo effects)
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Antipsychotic Medications Schizophrenia can be viewed as composed of: Positive Symptoms: Presence of hallucinations Negative Symptoms: Absence of affect Antipsychotic medications refer to drugs that alleviate schizophrenia Antipsychotic medications are more effective for the positive symptoms than for negative symptoms of schizophrenia
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Antidepressant Medications Depression reflects a disturbance of mood, sleep, and appetite Psychotropic antidepressant drugs can lift depression (require 3-4 weeks for effect) Tricylic antidepressants : Act by blocking the reuptake of norepinephrine and serotonin Monoamine oxidase (MAO) inhibitors
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This note was uploaded on 04/13/2008 for the course PSYC 100 taught by Professor Smith during the Spring '07 term at University of Delaware.

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Treatment PP - PSYC 100 Treatment 4/16/2008 Lecture Outline...

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