Mental Disorders
NURS1361: Pathophysiology
Prof. Lorrie Hudd
, Mental Disorders
Schizophrenia
Mood Disorders
Anxiety Disorders
Substance Abuse & Addiction
, Mental Disorders
“A mental disorder is characterized by a clinically
significant disturbance in a person’s cognition,
emotional regulation, or behaviour…
..It is usually associated with
distress or impairment in important
areas of functioning”
-WHO (2022)
, Historical Perspectives
• Psychiatry not organized specialty until end of 1800s
• Pre-1900s, mentally ill thought to be possessed by gods
and demons
• “Treatment” included prayer, magic, exorcisms
• Institutionalization
• “Retreat from society” initially – calm, secluded
• Hope was mental illness could be CURED
• Asylums & Mental Institutions
• Became overpopulated warehouses
for chronically ill
NURS1361: Pathophysiology
Prof. Lorrie Hudd
, Mental Disorders
Schizophrenia
Mood Disorders
Anxiety Disorders
Substance Abuse & Addiction
, Mental Disorders
“A mental disorder is characterized by a clinically
significant disturbance in a person’s cognition,
emotional regulation, or behaviour…
..It is usually associated with
distress or impairment in important
areas of functioning”
-WHO (2022)
, Historical Perspectives
• Psychiatry not organized specialty until end of 1800s
• Pre-1900s, mentally ill thought to be possessed by gods
and demons
• “Treatment” included prayer, magic, exorcisms
• Institutionalization
• “Retreat from society” initially – calm, secluded
• Hope was mental illness could be CURED
• Asylums & Mental Institutions
• Became overpopulated warehouses
for chronically ill
