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Psychological Disorders: Historical Perspectives, Diagnosis, and the Justice System

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Psychological Disorders and the Justice System

Introduction to Psychological Disorders

Psychological disorders, also known as mental disorders, are patterns of behavior or experience that cause distress, impair day-to-day functioning, or increase the risk of harm. The study of these disorders is essential for understanding human behavior, mental health, and the intersection with societal systems such as the justice system.

Historical Conceptions of Mental Illness

The understanding and treatment of mental illness have evolved significantly over time, reflecting changes in cultural, scientific, and medical perspectives.

  • Demonic Model (Middle Ages): Mental illnesses were often attributed to possession by evil spirits. Treatments included exorcisms and witch hunts, reflecting a supernatural explanation for abnormal behavior.

Depiction of exorcism as treatment for mental illness

  • Medical Model (Renaissance): The emergence of the medical model saw mental illness as a physical disorder requiring treatment. Patients were housed in asylums, but these institutions were often overcrowded and understaffed. Common treatments included bloodletting and the use of 'snake pits.'

Historical depiction of bloodletting as treatment

  • Moral Treatment (1700s–1800s): Reformers like Philippe Pinel and Dorothea Dix advocated for humane treatment, emphasizing dignity, kindness, and respect for patients. However, effective treatments were still lacking.

Dr. Philippe Pinel ordering the removal of chains from patients at the Salpêtrière asylum in Paris

  • Modern Era: The development of antipsychotic medications such as chlorpromazine (Thorazine) in the 1950s led to the deinstitutionalization movement, releasing many patients from hospitals. This shift had mixed results due to insufficient community support.

Bottle of Thorazine, an early antipsychotic medication Cartoon illustrating the consequences of deinstitutionalization

Defining Mental Illness

The DSM-5 (Diagnostic and Statistical Manual of Mental Disorders, 5th Edition) is the official classification system for mental disorders. It provides diagnostic criteria, decision rules, and prevalence information. The DSM-5 uses a biopsychosocial approach that considers biological, psychological, and social factors.

  • Biological factors: Brain chemistry, genetics, neurodevelopment, and physical health.

  • Psychological factors: Cognitive patterns, emotional regulation, personality, and coping skills.

  • Social factors: Environment, culture, family dynamics, schooling, and socioeconomic status.

The number of recognized mental disorders has increased dramatically with each DSM revision, raising debates about over-diagnosis and the influence of insurance requirements.

Culture and Diagnosis

Cultural context shapes the expression and recognition of mental disorders. Some conditions are culture-bound, while others (e.g., schizophrenia, alcoholism) are universal. Examples include:

  • Malocchio (Italy): Headaches, fatigue, and anxiety attributed to the 'evil eye' or envy.

  • Calor do corpo/nervos (Portugal/Brazil): Fatigue and anxiety explained by bodily imbalance or 'nerves.'

  • Taijin Kyofusho (Japan): A form of social anxiety focused on the fear of offending others, reflecting collectivist cultural values.

Major Categories of Psychological Disorders

Psychological disorders are classified into several major categories, each with distinct features and diagnostic criteria.

Anxiety-Related Disorders

These disorders are characterized by excessive and persistent anxiety or maladaptive behaviors aimed at reducing anxiety. Common types include:

  • Generalized Anxiety Disorder (GAD): Chronic worry, tension, and irritability about various aspects of life.

  • Panic Disorder: Recurrent, unexpected panic attacks and persistent concern about future attacks.

  • Specific Phobias: Irrational fear of specific objects or situations (e.g., agoraphobia).

  • Obsessive-Compulsive Disorder (OCD): Intrusive thoughts (obsessions) and repetitive behaviors (compulsions) performed to reduce distress.

  • OCD-Related Disorders: Hoarding disorder, excoriation disorder, trichotillomania, and body dysmorphic disorder.

Symptoms of anxiety disorder

Mood Disorders

Mood disorders involve disturbances in emotional state, including:

  • Major Depression: Persistent sadness, hopelessness, social withdrawal, and cognitive/physical sluggishness. Risk factors include genetics, stressful life events, and sociocultural influences.

  • Bipolar Disorder: Alternating periods of depression and mania (elevated mood, energy, impulsivity). Difficult to treat and associated with high suicide risk.

Change in mental disorders in Canada over 12 months

Schizophrenia

Schizophrenia is a severe disorder marked by breaks from reality, disorganized thinking, and emotional disturbances. Symptoms are classified as:

  • Positive symptoms: Hallucinations, delusions, thought disorder, movement disorder.

  • Negative symptoms: Absence of adaptive behaviors (e.g., emotional withdrawal).

  • Brain differences: Larger ventricles, reduced frontal lobe activity, dopamine overactivity, and glutamate underactivity.

Brain scans showing differences in schizophrenia

Personality Disorders

Personality disorders are enduring patterns of behavior that are maladaptive, distressing, and resistant to change. They are grouped into clusters:

  • Cluster A: Odd or eccentric (e.g., paranoid, schizoid).

  • Cluster B: Dramatic, emotional, erratic (e.g., antisocial, borderline, narcissistic).

  • Cluster C: Anxious, fearful, inhibited (e.g., avoidant).

Borderline Personality Disorder: Marked by emotional instability, impulsivity, and intense relationships, often rooted in early trauma.

Antisocial Personality Disorder (APD): Characterized by lack of empathy, disregard for others' rights, and a tendency toward manipulative or violent behavior. Often linked to brain differences and early trauma.

Uncommon Psychiatric Syndromes

  • Capgras’s Syndrome: Belief that a loved one has been replaced by an impostor.

  • Ekbom’s Syndrome: Delusions of infestation.

  • Munchausen Syndrome: Fabrication of medical symptoms for attention or care.

Mental Illness and the Justice System

Mental illness intersects with the justice system in complex ways, including issues of criminal responsibility, fitness to stand trial, and the use of the insanity defense (NCRMD: Not Criminally Responsible by Reason of Mental Disorder).

  • Legal Criteria: Criminal guilt requires both actus reus (guilty act) and mens rea (guilty mind). Mental illness can negate mens rea.

  • NCRMD Test (Canada): No person is criminally responsible if, at the time of the offense, a mental disorder rendered them incapable of appreciating the nature and quality of the act or knowing it was wrong.

  • Outcomes: Absolute discharge, conditional discharge, or detention in a hospital, based on risk and treatment needs.

Prisoner with 'HOPE' tattooed on fingers behind bars

Myths and Realities of NCRMD

  • Myth: NCRMD is frequently used and successful. Reality: Used in only 1% of felony cases and fails 75% of the time.

  • Myth: NCRMD is a loophole for criminals. Reality: Most spend longer in institutions than they would in jail.

  • Myth: Mentally ill offenders are highly dangerous. Reality: Most NCRMD cases are non-violent, with low recidivism rates.

  • Myth: Quick release for NCRMD. Reality: Release is rare and often delayed.

Mental Health in Correctional Settings

Mental illness is highly prevalent in correctional facilities, with rates 2–3 times higher than in the general population. Prisons are often ill-equipped to provide adequate care, and harsh conditions such as solitary confinement can exacerbate symptoms and cause profound psychological harm.

  • Effects of Solitary Confinement: Hallucinations, cognitive disabilities, insomnia, self-harm, paranoia, and suicidal tendencies. Neurological changes include shrinkage of neurons and altered brain structures.

  • Case Examples: Kalief Browder, Edward Snowshoe, and Ashley Smith illustrate the tragic consequences of inadequate mental health care in the justice system.

Community and Advocacy

Numerous organizations work to support individuals with mental illness and advocate for systemic change, including the John Howard Society, Fred Victor, Elizabeth Fry Society, Addictions and Mental Health Ontario (AMHO), CMHA, and CAMH.

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