Study Notes for Chapter 22: Psychiatry

Chapter Overview

  • Title: Chapter 22 - Psychiatry

  • Objective: To understand the basic concepts, terms, and therapies related to psychiatry.


Chapter Goals

  • Differentiate between Professional Roles

    • Psychiatrist vs. Psychologist vs. Other Mental Health Specialists

  • Understand Testing Tools

    • Tests employed by clinical psychologists to assess mental health and intelligence

  • Define Psychiatric Terminology

    • Identify key terms associated with major psychiatric disorders

  • Identify Psychiatric Symptoms

  • Therapeutic Interventions

    • Compare various therapies suitable for psychiatric disorders

  • Drug Categories

    • Familiarize with common psychiatric drugs and their classifications

  • Medical Terminology Application

- Utilize combining forms, suffixes, prefixes, and abbreviations pertinent to psychiatry

Introduction to Psychiatry

  • Definition of Psychiatry:

    • Psychiatry is the medical field focused on the diagnosis, treatment, and prevention of mental illnesses.

Professionals in Psychiatry

  • Psychiatrist:

    • Medical doctor (MD) specialized in diagnosing and treating mental disorders.

  • Psychologist:

    • Non-medical professional specializing in mental processes and behaviors.

  • Clinical Psychologist:

- Hold a doctoral degree (Ph.D. or Psy.D) and provide psychological assessment and treatment.

Tools Used in Psychiatry

Psychiatrists' Tools

  • Psychotherapy

  • Psychoanalysis

  • Drug Therapy

Tools Used by Clinical Psychologists

  • Psychotherapy

  • Psychoanalysis

  • Intelligence Tests

  • Mental Processing Tests

  • Memory Tests

- Personality Tests

Psychiatric Clinical Symptoms

  • Abnormal Behaviors According to Health Professionals:

    • Amnesia

    • Anxiety

    • Apathy

    • Autistic thought

    • Compulsion

    • Conversion disorder

    • Delusion

    • Dissociation

    • Dysphoria

    • Euphoria

    • Hallucination

    • Labile (emotional instability)

    • Mania

    • Mutism

    • Obsession

- Paranoia

Types of Psychiatric Disorders

Sigmund Freud's Theory of Personality Structure

  • Concepts:

    • Id: Instinctual drives

    • Ego: Rational part

    • Superego: Moral conscience

  • Defense Mechanisms: Techniques for dealing with internal conflicts

Categories of Psychiatric Disorders
  • Anxiety Disorders:

    • Characterized by excessive worry and avoidance behavior

    • Types:

    • Phobic disorders: Agoraphobia, Acrophobia, Claustrophobia, Zoophobia

    • Obsessive-Compulsive Disorder (OCD): Recurrences of thoughts and rituals

    • Post-Traumatic Stress Disorder (PTSD): Fear and distress following trauma

    • Generalized Anxiety Disorder (GAD): Chronic tension and exaggerated worry

  • Delirium and Dementia:

    • Delirium: Confusion, incoherent speech, sensory misperception

    • Dementia: Gradual loss of cognitive functions, impaired judgment, memory, and personality

  • Dissociative Disorders:

    • Disturbances in memory and identity

    • Types:

    • Dissociative Identity Disorder (multiple personalities)

    • Dissociative Amnesia (loss of personal information)

    • Dissociative Fugue (sudden travel away from customary surroundings)

  • Eating Disorders:

    • Anorexia Nervosa: Extreme dieting and weight refusal

- Bulimia Nervosa: Binge eating followed by purging

Mood Disorders

  • Prolonged emotional states affecting mental life

  • Types:

    • Bipolar Disorder: Alternating manic and depressive episodes

    • Cyclothymic Disorder: Mild bipolar with periods of hypomania

    • Depressive Disorder: Major depression, chronic sadness

    • Dysthymic Disorder: Chronic low mood

- Seasonal Affective Disorder (SAD): Depression related to seasonal changes

Personality Disorders

  • Impairment in relationships and emotional regulation

  • Types:

    • Antisocial Personality Disorder

    • Borderline Personality Disorder

    • Histrionic Personality Disorder

    • Narcissistic Personality Disorder

    • Paranoid Personality Disorder

- Schizoid Personality Disorder

Additional Psychiatric Disorders

Pervasive Developmental Disorders

  • Examples:

    • Autism

- Asperger Syndrome

Schizophrenia

  • Chronic psychotic disorder with symptoms like:

    • Delusions

    • Hallucinations

    • Disorganized thoughts

    • Flat affect

    • Social withdrawal

- Types: Catatonic, Disorganized, Paranoid, Residual

Sexual and Gender Identity Disorders

  • Defined by strong and persistent cross-gender identification

  • Examples:

    • Sexual Masochism

    • Sexual Sadism

    • Transvestic Fetishism

    • Voyeurism

    • Exhibitionism

    • Fetishism

- Pedophilia

Somatoform Disorders

  • Mental conflicts expressed as physical symptoms

  • Types:

    • Conversion Disorder (repressed conflicts manifest as physical symptoms)

- Hypochondriasis (preoccupation with bodily symptoms)

Substance-Related Disorders

  • Definitions:

    • Psychological Dependence: Compulsion to use a drug despite harm

    • Physiological Dependence: Experience withdrawal upon abrupt cessation

    • Tolerance: Need for greater amounts of the drug over time

  • Commonly Abused Substances:

    • Alcohol

    • Amphetamines

    • Cannabis (Marijuana)

    • Cocaine

    • Hallucinogens

    • Opioids

- Sedatives, Hypnotics, Anxiolytics

Therapeutic Terminology

Types of Therapy

  • Psychotherapy: Various methods to help with mental health issues, such as:

    • Cognitive Behavior Therapy (CBT)

    • Family Therapy

    • Group Therapy

    • Hypnosis

    • Insight-Oriented Psychotherapy

    • Play Therapy

    • Psychoanalysis

    • Sex Therapy

    • Supportive Psychotherapy

  • Electroconvulsive Therapy (ECT): Electric current induces convulsions to treat severe depression

- Drug Therapy: Use of medications to manage or alleviate symptoms

Common Psychiatric Drug Categories

Antianxiety and Antipanic Agents

  • Examples:

    • Alprazolam (Xanax)

    • Clonazepam (Klonopin)

    • Diazepam (Valium)

    • Lorazepam (Ativan)

- Mechanism: Benzodiazepines have anxiolytic effects

Antidepressants

  • Types:

    • Selective Serotonin Reuptake Inhibitors (SSRIs): Escitalopram (Lexapro), Sertraline (Zoloft), Fluoxetine (Prozac)

    • Tricyclic Antidepressants: Amitriptyline (Elavil), Imipramine (Tofranil)

- Monoamine Oxidase Inhibitors (MAOIs): Phenelzine (Nardil)

Antipsychotics (Neuroleptics)

  • Atypical Antipsychotics: Aripiprazole (Ability), Olanzapine (Zyprexa)

- Phenothiazine Antipsychotics: Chlorpromazine (Thorazine), Thiothixene (Navane)

Mood Stabilizers

- Examples: Lithium (Eskalith, Lithane), Carbamazepine (Tegretol), Valproate (Depakene, Depakote)

Stimulants

- Examples for ADHD Treatment: Dextroamphetamine (Dexedrine), Methylphenidate (Ritalin, Concerta)

Vocabulary Related to Psychiatric Disorders

  • Key Terms

    • Affect: External expression of emotion

    • Amnesia: Loss of memory

    • Anxiety Disorders: Characterized by distress and avoidance behavior

    • Apathy: Lack of interest or emotion

    • Autism: Developmental disorder with impaired social interaction

    • Bipolar Disorder: Mood disorder with alternating mania and depression

    • Bulimia Nervosa: Eating disorder with binge-purge cycles

    • Compulsion: Urge to perform an act repeatedly

    • Conversion Disorder: Physical symptoms due to mental conflicts

- Defense Mechanism: Techniques to conceal conflicts and anxiety

Abbreviations in Psychiatry

  • Common Abbreviations:

    • ADHD: Attention-Deficit/Hyperactivity Disorder

    • CBT: Cognitive Behavioral Therapy

    • DSM-IV-TR: Diagnostic and Statistical Manual of Mental Disorders, 4th edition, revised

    • ECT: Electroconvulsive Therapy

    • GAD: Generalized Anxiety Disorder

    • MDD: Major Depressive Disorder

- PTSD: Post-Traumatic Stress Disorder

Combining Forms and Terminology

Key Combining Forms:

  • Examples:

    • anxi/o: anxiety

    • psych/o: mind

    • neur/o: nerve

    • somat/o: body

  • Common Suffixes:

    • -mania: obsession

    • -phobia: fear

- -genic: produced by

Quick Quizzes

  1. Fear of Strangers:

    • Correct Answer: Xenophobia

  2. Professional with MD:

    • Correct Answer: Psychiatrist

  3. Uncontrollable Urge to Act:

    • Correct Answer: Compulsion