Psychopathology

Mood and affect

Describe sustained emotional experience and its expression during the encounter.

Experience and expression

Mood describes a sustained emotional state that influences how the person experiences the world. Affect describes the emotional expression observed during the encounter. The two may agree, differ or change as different subjects are discussed. Record both rather than using them interchangeably.

For mood, clarify the quality, intensity, duration and fluctuations in the person’s own account. For affect, describe the range and responsiveness you observed. An impression from a brief encounter should be identified as such, rather than stated as a lifelong characteristic.

Describe rather than count adjectives

Terms such as constricted, blunted or flat concern the range or degree of expression. Explain the observations underlying the chosen term. Consider the subject being discussed and whether emotional expression changed appropriately during the interview.

A reported lack of feeling and an observed lack of expression are different findings. Likewise, visible tears do not alone establish a depressive disorder. Clarify the broader experience, associated changes and effect on daily life.

Emotions occur in context

Sadness, fear and worry may be understandable responses to circumstances as well as features of mental disorders. Their clinical significance depends on the pattern, persistence, associated symptoms, context and functioning. Avoid using the same everyday word as if it settled the diagnostic question.

For a learning exercise, describe the reported mood and observed affect separately, then identify the evidence needed for an episode-level assessment. Review current classification descriptions rather than importing a fixed bereavement rule from an older text.

For your next supervision discussion

Describe a synthetic encounter twice: first using only the person’s reported emotional experience, then using only observed expression. What is lost if the two descriptions are compressed into one adjective?

References · 2

Page numbers distinguish PDF position from the numbering visible within the supplied document.

  1. Fish’s Clinical Psychopathology: Signs and Symptoms in PsychiatryPatricia Casey and Brendan Kelly · 5th edition, 2024.Disorders of emotion. PDF pages 80, 81; printed pages: 71–72.Supports: Mood, affect and contextual interpretation.
  2. Clinical descriptions and diagnostic requirements for ICD-11 mental, behavioural and neurodevelopmental disordersWorld Health Organization · 2024.Depressive episode. PDF pages 230, 231; printed pages: 212–213.Supports: Episode-level assessment and boundary with ordinary emotional responses.

Sources by section

  • Experience and expression: [1]
  • Describe rather than count adjectives: [1]
  • Emotions occur in context: [1][2]
  • For your next supervision discussion: [1]
Reference information · Cited introduction
Last content update
2026-10-26
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