Biological Theory in Psychology

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Questions and Answers

Which of the following best exemplifies how a clinician utilizes an understanding of physiology in treating a client?

  • Prescribing an antidepressant medication to balance neurotransmitter levels.
  • Referring a client to a neurologist for brain imaging.
  • Teaching a client biofeedback techniques to manage anxiety symptoms. (correct)
  • Using cognitive behavioral therapy to challenge negative thought patterns.

A client reports experiencing persistent sadness and fatigue. How might a clinician integrate a biological perspective into understanding these symptoms?

  • Assessing the client's sleep patterns, hormone levels, and neurotransmitter function. (correct)
  • Examining the client's cultural background and social support system.
  • Challenging the client's negative thought patterns and cognitive distortions.
  • Exploring the client's childhood experiences and attachment patterns.

Which of the following scenarios would most likely prompt a clinician to consider a referral for neuropsychological testing?

  • A client exhibits sudden changes in memory and cognitive function. (correct)
  • A client expresses dissatisfaction with their career path.
  • A client reports feeling anxious in social situations.
  • A client is struggling with symptoms of obsessive-compulsive disorder.

A psychiatrist is considering prescribing medication for a client with depression. From a biological treatment perspective, what is the PRIMARY goal of this intervention?

<p>To regulate neurotransmitter activity in the brain. (D)</p> Signup and view all the answers

Transcranial Magnetic Stimulation (TMS) is being considered as a treatment for a client's severe depression. What is the PRIMARY mechanism of action behind TMS?

<p>Stimulating nerve cells in the brain using magnetic fields. (A)</p> Signup and view all the answers

In the context of genetic influences on mental health, what does a heritability estimate of 0.60 for a particular trait suggest?

<p>60% of the variability in the trait is associated with genetic variation. (D)</p> Signup and view all the answers

How does the field of epigenetics broaden our understanding of genetic influences on behavior?

<p>By explaining how environmental factors can alter gene expression without changing DNA sequence. (D)</p> Signup and view all the answers

A researcher is conducting a twin study to investigate the heritability of anxiety disorders. What type of data would provide the STRONGEST evidence for a genetic component to anxiety?

<p>Higher concordance rates for anxiety disorders in monozygotic (identical) twins compared to dizygotic (fraternal) twins. (C)</p> Signup and view all the answers

In the context of assessment and case conceptualization, what is the relationship between these two processes?

<p>Assessment provides the data that informs and shapes the case conceptualization. (C)</p> Signup and view all the answers

Why is it important for clinicians to continuously engage in informal assessment throughout treatment?

<p>To track client progress, adjust treatment strategies, and refine case conceptualization. (A)</p> Signup and view all the answers

A clinician is conducting an initial assessment with a new client. Which approach BEST reflects a multidimensional perspective?

<p>Gathering information about the client's psychological, biological, and social factors. (A)</p> Signup and view all the answers

During an assessment, a clinician starts with broad, open-ended questions before moving to more specific inquiries. What is the PRIMARY rationale behind this approach?

<p>To allow the client to guide the conversation and reveal relevant information. (D)</p> Signup and view all the answers

Which assessment component is MOST suitable for evaluating cognitive impairment or decline?

<p>Neuropsychological testing. (D)</p> Signup and view all the answers

Which of the following BEST illustrates the use of behavioral observation in clinical assessment?

<p>Monitoring a child's interactions with peers during a play session. (B)</p> Signup and view all the answers

A client is prescribed Benzodiazepines for anxiety, what is the PRIMARY mechanism of action?

<p>Reducing neuronal excitability. (A)</p> Signup and view all the answers

Flashcards

Biological Theory in Psychology

Behavior is influenced by physiology, brain structures, neurochemistry, DNA, and epigenetics.

Health Psychology

A subfield of behavioral medicine focused on the relationship between mental and physical health.

Biofeedback/Neurofeedback

Training to control physiological responses (Biofeedback) or brain activation (Neurofeedback).

Neurochemistry

Chemical messengers including hormones (endocrine) and neurotransmitters (CNS).

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Antidepressants

SSRIs, SNRIs, NDRIs.

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Anxiolytics

SSRIs and Benzodiazepines.

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Stimulants

Dextroamphetamine & amphetamine (Adderall).

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Transcranial Magnetic Stimulation (TMS)

Uses magnetic fields to stimulate brain nerve cells; used for depression, OCD, and addictions.

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Heritability Estimate

The proportion of variability in a trait due to genetic variation.

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Epigenetics

Changes in gene expression without DNA sequence alteration, influenced by environment.

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Case Conceptualization

A method of obtaining information about a person, organizing it, and explaining the person's thoughts, emotions, and behaviors.

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Purposes of Assessment

To understand the individual, predict behavior, plan treatment, and evaluate treatment outcome.

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Components of an Assessment

Clinical interview, behavioral observations, personality & symptom-based testing, cognitive & neuropsychological testing, physiological testing.

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Informal Assessment

Ongoing process of collecting client data to inform and refine case conceptualization and treatment.

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Value of Data Collection

Collecting data helps clients recognize progress they've made, even when it's not obvious to them.

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Study Notes

Biological Theory in Psychology

  • Human and animal behavior originates from physical causes.
  • These causes include physiology, brain structures and neurochemistry, DNA & Genetic influences and epigenetics.

Physiology

  • Focuses on the connection between mental and physical health.
  • Health psychology is a subfield of behavioral medicine.
  • Biofeedback and Neurofeedback are used in treatment.

Brain and Mental Disorders

  • Awareness of brain processes helps clinicians:
    • Explain medically-informed information to clients
    • Identify potentially incorrect or unusual self-reported information
    • Determine when to refer to a medical professional or neuropsychologist

Neurochemistry

  • Hormones and neurotransmitters send chemical messages.
  • Hormones are chemical impulses released by the endocrine system.
  • Neurotransmitters are electrical impulses released by the CNS
  • Dopamine affects mood and deficiency can be problematic.
  • Serotonin is a key mood regulator.
  • Oxytocin plays a part in mood and social bonding.
  • Melatonin impacts sleep and mood.
  • Endorphins are related to pain relief and mood elevation.
  • Adrenaline is involved in stress responses.
  • Norepinephrine is connected to alertness and arousal.

Medications: Biological Treatment

  • Antidepressants:
    • SSRIs (e.g., Sertraline/Zoloft)
    • SNRIs (e.g., Venlafaxine/Effexor)
    • NDRIs (e.g., Bupropin/Aplenzin)
  • Anxiolytics:
    • SSRIs (e.g., Fluoxetine/Prozac)
    • Benzodiazepines (e.g., Lorazepam/Ativan) are effective for anxiety and can be a negative reinforcer.
  • Stimulants:
    • Dextroamphetamine & amphetamine (Adderall)
  • Antipsychotics and Mood Stabilizers
  • Mood Stabilizers (e.g., Lithium)
  • Co-morbidity is common.

Transcranial Magnetic Stimulation (TMS)

  • TMS stimulates brain nerve cells using magnetic fields.
  • It may work by increasing blood flow.
  • TMS treats depression, OCD, and some addictions.

Genetic Influences

  • The Human genome contains 20,300 genes.
  • General cognitive functions involve 857 genes.
  • Temperament involves 736 genes.

Twin and Adoption Studies

  • Heritability estimates indicate the proportion of variability in a characteristic associated with genetic variation.
  • Phenotypic variance = genetic variance + environmental variance + interaction variance.
  • Heritability estimates range from 0 to 1 (or 0 to 100%).

Epigenetics

  • This is the study of heritable phenotype changes without alterations in DNA sequence.
  • Environmental factors can alter genetic expression.
  • These alterations can be passed down through generations.

Assessment and Case Conceptualization

  • Assessment precedes case conceptualization.
  • Case conceptualization involves:
    • Obtaining and organizing information about a person.
    • Understanding and explaining their situation and patterns (thoughts, emotions, and behaviors).
    • Understanding how they operate in their world.

Context Matters

  • Understanding a person internally and their cultural context is important.
  • Case conceptualization gathers pieces through assessment and brings them together and needs to be rooted in theory.

Importance of Assessment

  • Assessment collects data to form a case conceptualization.
  • Clinicians are trained in assessment practices.
  • Assessment continues throughout treatment.
  • Informal assessment happens throughout therapy.
  • Data collection helps clients recognize their progress.

Purposes of Assessment

  • To understand the individual
  • To predict behavior
  • To plan treatment
  • To evaluate treatment outcome
  • Multidimensional
  • Start broad, then get specific

Components of an Assessment

  • Clinical interview
  • Behavioral observations/assessment
  • Personality testing (adults only)
  • Symptom-based testing (symptom analysis)
  • Cognitive testing
  • Neuropsychological testing
  • Physiological testing

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