Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
A psychological disorder is a condition characterized by abnormal thoughts, feelings, and behaviors. It often causes distress and makes it difficult for individuals to function normally in their daily lives.
This is another term for psychological disorders which emphasizes that these conditions are medical illnesses that affect one's thinking, feeling, mood, ability to relate with others and daily functioning.
Psychopathology: This is the scientific study of mental disorders including symptoms, causes and treatments.
Diagnostic Criteria: These are guidelines used by professionals for diagnosing different types of psychological disorders.