Psychological Disorder

1. Psychological Disorder

A condition marked by abnormal thoughts, feelings, or behaviors that cause significant distress or impairment.

  • a. Deviant: Behavior that violates societal norms.

  • b. Distressful: Causes emotional or physical suffering.

  • c. Dysfunctional: Interferes with daily life.

  • d. Medical Model: Views disorders as diseases with biological causes.

  • e. Biopsychosocial Approach: Considers biological, psychological, and social factors.

  • f. Primary Prevention: Aims to prevent disorders before they develop.

  • g. Secondary Prevention: Early detection and intervention.

  • h. Tertiary Prevention: Reduces impact of existing disorders.

  • i. DSM-5: Manual for diagnosing mental disorders.

  • j. People-First Language: Emphasizes the person, not the disorder (e.g., "person with schizophrenia").

  • k. Rosenhan Study: Demonstrated flaws in psychiatric diagnosis (fake patients admitted to hospitals).


2. Anxiety Disorders

Excessive fear or anxiety that disrupts functioning.

  • a. Generalized Anxiety Disorder (GAD): Chronic, excessive worry.

  • b. Phobic Disorder: Irrational fear of specific objects/situations.

  • c. Panic Disorder: Sudden, intense panic attacks.

  • d. Separation Anxiety Disorder: Fear of being apart from attachment figures.

  • e. Agoraphobia: Fear of open/public spaces.

  • f. Social Anxiety Disorder: Fear of social scrutiny.

  • g. Selective Mutism: Inability to speak in specific social situations.


3. Depressive Disorders

Persistent sadness and loss of interest.

  • a. Major Depressive Disorder: Severe, long-lasting depression.

    • i. Seasonal Affective Disorder (SAD): Depression linked to seasonal changes.


4. Bipolar Disorder

Alternating episodes of depression and mania (extreme euphoria/energy).


5. Sleep Disorders (See Unit 11 for definitions.)


6. Dissociative Disorders

Disruptions in memory, identity, or consciousness.

  • a. Dissociative Identity Disorder (DID): Multiple distinct identities.

  • b. Dissociative Amnesia: Memory loss due to trauma.

    • i. Dissociative Fugue: Sudden travel + amnesia about identity.

  • c. Depersonalization/Derealization Disorder (DDD): Feeling detached from oneself/reality.


7. Feeding and Eating Disorders

  • a. Pica Disorder: Eating non-food items.

  • b. Anorexia Nervosa: Self-starvation due to body image distortion.

  • c. Bulimia Nervosa: Binge-eating followed by purging.


8. Neurodevelopmental Disorders

  • a. Intellectual Disability: Limited intellectual functioning/adaptive skills.

  • b. ADHD: Inattention, hyperactivity, impulsivity.

  • c. Tourette’s Disorder: Involuntary tics/vocalizations.

  • d. Autism Spectrum Disorder: Social/communication deficits, repetitive behaviors.

  • e. Specific Learning Disorder: Difficulty in specific academic skills (e.g., dyslexia).


9. Obsessive-Compulsive and Related Disorders

  • a. OCD: Intrusive thoughts (obsessions) + repetitive behaviors (compulsions).

  • b. Body Dysmorphic Disorder (BDD): Preoccupation with perceived flaws.

  • c. Hoarding Disorder: Inability to discard possessions.

  • d. Excoriation: Skin-picking.

  • e. Trichotillomania: Hair-pulling.


10. Schizophrenia

Severe disorder with distorted thinking/perceptions.

  • a. Positive Symptoms: Added behaviors (hallucinations, delusions, word salad).

  • b. Negative Symptoms: Reduced behaviors (flat affect, catatonia).

  • c. Chronic Schizophrenia: Long-term, gradual onset.

  • d. Acute Schizophrenia: Sudden, severe episodes.


11. Personality Disorders

Inflexible, maladaptive personality traits.

  • a. Antisocial: Disregard for others’ rights.

  • b. Avoidant: Social inhibition due to fear of rejection.

  • c. Borderline: Unstable relationships/self-image.

  • d. Dependent: Excessive reliance on others.

  • e. Histrionic: Excessive emotionality/attention-seeking.

  • f. Narcissistic: Grandiosity, lack of empathy.


12. Somatic Symptom and Related Disorders

  • a. Conversion Disorder: Physical symptoms without medical cause.

  • b. Illness Anxiety Disorder: Preoccupation with having a serious illness.


13. Trauma and Stressor-Related Disorders

  • a. PTSD: Lingering distress after trauma.

  • b. Adjustment Disorder: Emotional/behavioral reactions to stressors.

  • c. Reactive Attachment Disorder: Disturbed social bonding due to neglect.


14–20. Therapies

  • 14. Behavioral Therapy

    Treatment focusing on changing maladaptive behaviors through conditioning.

    • a. Exposure Therapies: Gradual exposure to feared stimuli to reduce anxiety.

      • i. Counterconditioning: Replacing a negative response with a positive one.

        • 1. Systematic Desensitization: Pairing relaxation with anxiety triggers.

        • 2. Virtual Reality Exposure Therapy: Uses VR simulations for exposure.

        • 3. Aversive Conditioning: Associates unwanted behavior with discomfort (e.g., nausea with alcohol).

    • b. Token Economy: Rewards desired behaviors with tokens (exchangeable for privileges).


    15. Biomedical Therapy

    Biological treatments for psychological disorders.

    • a. Psychopharmacology: Use of medications to treat mental illness.

      • i. Antipsychotic Drugs: Reduce hallucinations/delusions (e.g., haloperidol).

        • 1. Tardive Dyskinesia: Side effect of antipsychotics (involuntary movements).

      • ii. Antidepressants: Boost serotonin/norepinephrine (e.g., SSRIs).

      • iii. Lithium: Stabilizes mood in bipolar disorder.

    • b. Electroconvulsive Therapy (ECT): Induces seizures to treat severe depression.

    • c. Repetitive Transcranial Magnetic Stimulation (rTMS): Magnetic pulses to stimulate brain areas.

    • d. Psychosurgery: Brain surgery to alter behavior (rare).

      • i. Lobotomy: Disconnects prefrontal cortex (historically used, now obsolete).


    16. Cognitive Therapy

    Focuses on changing irrational thought patterns.

    • a. Rational-Emotive Behavior Therapy (REBT): Challenges irrational beliefs to reduce distress.


    17. Group Therapy

    Multiple patients meet with a therapist to share experiences and provide support.


    18. Family Therapy

    Treats family systems to improve communication and resolve conflicts.


    19. Humanistic Therapy

    Emphasizes personal growth and self-actualization.

    • a. Insight Therapy: Encourages self-awareness.

      • i. Client-Centered Therapy (Carl Rogers): Non-directive, empathetic approach.

        • 1. Active Listening: Therapist reflects and clarifies the client’s words.

        • 2. Unconditional Positive Regard: Nonjudgmental acceptance of the client.


    20. Psychoanalytic Therapy

    Explores unconscious conflicts from childhood.

    • a. Interpretation: Therapist deciphers hidden meanings in thoughts/behaviors.

    • b. Resistance: Patient’s unconscious blocking of sensitive topics.

    • c. Transference: Patient projects feelings about others onto the therapist.