Psychology Chapter: Antidepressants and Diagnosis
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Questions and Answers

Which of the following symptoms is NOT commonly associated with Major Depressive Disorder?

  • Sleep disturbance
  • Decreased sex drive
  • Juvenile delinquency (correct)
  • Impaired concentration
  • What is a notable vegetative symptom in individuals with Major Depressive Disorder?

  • Pronounced anhedonia (correct)
  • Increased sociability
  • Weight stability
  • Enhanced concentration
  • What is suggested about the placebo response in antidepressant studies compared to other disorders?

  • A robust placebo response is seen in antidepressant studies. (correct)
  • Placebo responses are identical across all mental health studies.
  • The placebo response is less robust in anxiety studies.
  • There is no placebo response in antidepressant studies.
  • What may contribute to a client displaying symptoms outside their initial diagnostic cluster?

    <p>Diagnosis is an ongoing process throughout therapy.</p> Signup and view all the answers

    What can be inferred about the debate on efficacy in mental health treatments?

    <p>It is ongoing with varying findings.</p> Signup and view all the answers

    Which neurotransmitter is primarily influenced by the serotonergic theory of inhibition?

    <p>Serotonin</p> Signup and view all the answers

    What occurs in the synaptic cleft after taking a tricyclic antidepressant?

    <p>Increased neurotransmitter levels</p> Signup and view all the answers

    What important aspect is highlighted by the discovery of tricyclics that impacts the understanding of depression?

    <p>Inhibition of reuptake leads to increased neurotransmitter availability.</p> Signup and view all the answers

    What is a key signaling pathway mentioned that relates to therapeutic responses to antidepressants?

    <p>cAMP pathway</p> Signup and view all the answers

    Which type of interventions may be as effective as pharmacologic treatments according to the content?

    <p>Counseling and psychotherapy</p> Signup and view all the answers

    Which enzyme family is specifically mentioned to potentially have a role in the antidepressant effects?

    <p>Protein kinase A</p> Signup and view all the answers

    How do exercise and psychotherapy compare to antidepressant medication in terms of intracellular changes?

    <p>They induce the same types of intracellular changes.</p> Signup and view all the answers

    What does the content suggest about the duration taken by therapy groups compared to medication?

    <p>Changes in therapy groups take longer but are significant.</p> Signup and view all the answers

    What is the main idea of the Downregulation Theory in relation to antidepressants?

    <p>It accounts for the delayed therapeutic effects of antidepressants.</p> Signup and view all the answers

    Which part of the brain is primarily discussed in relation to changes after antidepressant treatment?

    <p>Hippocampus</p> Signup and view all the answers

    What role do neurotrophins play according to the provided content?

    <p>They trigger changes associated with neurogenesis.</p> Signup and view all the answers

    What does the Neurotrophic/plasticity Theory explain about depression?

    <p>It provides insight into the intracellular changes linked to the effects of antidepressants.</p> Signup and view all the answers

    Which factor is mentioned as holding promise for treating degenerative brain disorders?

    <p>Brain-derived neurotrophic factor</p> Signup and view all the answers

    How long does it typically take for the therapeutic effects of antidepressants to start according to the Downregulation Theory?

    <p>2 to 6 weeks</p> Signup and view all the answers

    Which of the following best describes the changes that occur in brain cells after antidepressant treatment?

    <p>A series of molecular changes leading to neurogenesis</p> Signup and view all the answers

    Study Notes

    The Importance of Accurate Diagnosis

    • The Diagnostic and Statistical Manual of Mental Disorders (DSM-5) considered a Mixed Anxiety and Depression diagnosis, but it was not included in the final version.
    • A client's symptoms might change over time and their diagnosis could evolve.

    The Discovery of Reuptake Inhibition

    • Arvid Carlsson discovered how tricyclic antidepressants block the reuptake of serotonin in the brain.
    • Izyaslav Lapin and Gregory Oxenkrug proposed the serotonergic theory of depression, which focuses on serotonin as opposed to norepinephrine.

    The Debate on Antidepressant Efficacy

    • Studies suggest that antidepressants' efficacy rates may be closer to 50%.
    • Antidepressant studies show a robust placebo response, unlike studies for disorders like Schizophrenia.
    • This difference in response may result from the complexity of depression (multiple causes) compared to Schizophrenia, which appears to have a more localized cause within the brain and nervous system.

    The Timeline of Antidepressant Effects

    • Reuptake inhibition starts about an hour after taking a tricyclic antidepressant.
    • It may take two to four weeks for symptoms to improve, and in some cases, up to six weeks.

    Cell/Molecular Theory of Depression

    • Stress and disease processes may cause neurological atrophy, leading to depression.
    • This theory emphasizes the importance of neurotrophins (cell nutrients) and their role in reversing atrophy.
    • Antidepressant medication may increase neurotrophin levels and potentially reverse damage.

    Downregulation Theory

    • Explains why antidepressants take several weeks to be effective.
    • The theory suggests that the therapeutic effects of antidepressants are a result of gradual intracellular changes triggered by the medication.

    Neurotrophic/Plasticity Theory

    • This theory focuses on the intracellular changes related to downregulation and the onset of therapeutic effects.
    • It proposes that neurotrophins play a significant role in these changes.

    Cyclic AMP (cAMP) and Antidepressant Effects

    • cAMP is a second messenger involved in transferring the effects of hormones to cells, and it plays a role in regulating cellular processes.
    • The cAMP pathway activates effectors that regulate protein activity.
    • One effector that may be involved in antidepressant effects is protein kinase A (PKA).

    Integrative Approach to Mental Health Treatment

    • Exercise and counseling/psychotherapy may induce similar intracellular changes as antidepressants.
    • This suggests that these alternative approaches can be as effective as medication.
    • We emphasize an integrative approach that considers the mind-brain connection in mental health care.

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    Description

    Explore the complex landscape of mental health diagnosis and treatment in this quiz. Delve into the controversies surrounding the effectiveness of antidepressants and the evolution of diagnoses in the DSM-5. Assess key theories and discoveries that have shaped our understanding of depression.

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