Affect
What affect means in a mental status exam, how it differs from mood, the terms used to describe it, and how to chart it in a progress note.
Quick Answer
Affect is a person’s observable emotional expression: what the clinician sees and hears in their facial expression, voice, posture and gestures during the session. Mood is the person’s own description of how they have been feeling, such as “I’ve been down.” In a mental status exam, affect is usually described by its quality (for example anxious, sad or irritable), range (full, restricted, blunted or flat), stability (stable or labile) and whether it is congruent with the person’s stated mood and appropriate to what they are discussing.
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Definition
Affect is the outward expression of emotion that a clinician can observe in the moment. It is part of the mental status exam and is usually recorded right after mood. Because affect is observed and mood is reported, comparing the two is one of the most useful parts of the exam: a person who says they feel “fine” but is tearful and speaks slowly is showing affect that is not congruent with their stated mood.
How affect is described
Most clinicians describe affect along four dimensions. You do not need every term in every note, but naming the dimensions you observed makes the description clearer.
| Dimension | Common terms | Example wording |
|---|---|---|
| Quality | Euthymic (within the normal range), dysphoric, sad, anxious, irritable, euphoric, tearful | “Affect anxious and tearful at times.” |
| Range and intensity | Full range, restricted (constricted), blunted, flat; intense or heightened | “Affect mildly restricted; brightened briefly when talking about her daughter.” |
| Stability | Stable or labile (rapid, abrupt shifts) | “Affect stable; no abrupt shifts during the session.” |
| Congruence and appropriateness | Congruent or incongruent with stated mood; appropriate or inappropriate to content | “Affect incongruent with stated mood of ‘fine’: tearful and slowed; smiled while describing the car accident.” |
Affect vs mood
Mood is the person’s sustained emotional state as they describe it, ideally recorded in their own words. Affect is what you observe during the session, and it can change from moment to moment. Some clinicians use “congruent” for the match between affect and stated mood, and “appropriate” for the match between affect and what is being discussed; others use the terms interchangeably. Say which you mean by describing what you saw. Norms for showing emotion vary between people and cultures, and medications, neurological conditions and fatigue can also change outward expression, so compare with the person’s usual presentation where you can.
How to chart affect in an MSE or progress note
Record the person’s mood in their own words, then describe affect by quality, range, stability and congruence, with a short example from the session and a comparison with the last session.
Weak documentation: “Mood and affect okay.”
Stronger documentation: “Mood ‘stressed, but a bit better.’ Affect anxious and mildly restricted at first, brightened when describing her daughter’s graduation; stable; congruent with stated mood.”
Affect in a SOAP note
In a SOAP note, affect goes in Objective with the rest of the mental status exam, and mood usually appears in both: the client’s words in Subjective or quoted in Objective. A short fictional example from a follow-up session:
Objective: Fictional adult client, session 5, follow-up for adjustment disorder with mixed anxiety and depressed mood. Mood “stressed, but a bit better.” Affect anxious and mildly restricted at the start of the session; brightened, with a full smile, when she described her daughter’s graduation. Briefly tearful when discussing her father’s illness and recovered without prompting. Affect stable, congruent with stated mood and appropriate to content. Thought content: worries about her father’s health; denied suicidal and homicidal thoughts, intent or plan.
Assessment: Affect broader than at session 4, when it was restricted and tearful throughout, which fits her report of feeling somewhat better.
Plan: Continue weekly sessions focused on problem-solving and support around her father’s illness. Client knows to call or text 988 if thoughts of suicide arise, or to call 911 in an emergency.
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Tips for documenting affect
Quote the mood, describe the affect: Write mood in the client’s own words, then describe what you observed. This makes congruence easy to judge.
Name the dimensions: Quality, range, stability and congruence give a fuller picture than one adjective.
Give the context: Say what the client was discussing when affect changed, such as brightening or becoming tearful.
Compare with the last session: Changes in range or quality over time can show progress or early relapse.
Describe rather than interpret: “Tearful when discussing her father” is more useful than “sad because of her father.”
Consider other causes: Medications, neurological conditions, fatigue and cultural norms can all change how emotion is shown.
Common mistakes to avoid
- “Mood and affect okay”: mood and affect are different and need separate entries
- Copying the client’s mood into affect: affect is what you observed
- Using labels without examples: add a short description of face, voice or behavior
- Mixing up blunted and flat: flat means almost no expression; blunted means markedly reduced
- Copying it forward: affect changes; describe this session
Frequently asked questions
What is affect in a mental status exam?
Affect is the emotion a clinician observes during the session, in the person’s facial expression, voice, posture and gestures. It is usually described by quality, range, stability and whether it is congruent with the person’s stated mood and appropriate to what they are discussing.
What is the difference between mood and affect?
Mood is how the person says they have been feeling, ideally recorded in their own words. Affect is the emotional expression the clinician observes in the session. A person can report feeling “fine” while appearing tearful and slowed, which is affect that is not congruent with their stated mood.
What are the types of affect?
Affect is described by quality, such as euthymic, anxious, sad, irritable or euphoric; by range, such as full, restricted, blunted or flat; by stability, stable or labile; and by congruence with mood and appropriateness to content.
What does congruent or incongruent affect mean?
Congruent affect matches the person’s stated mood or what they are discussing, such as tearfulness while describing a loss. Incongruent affect does not match, such as smiling while describing a frightening event. Some clinicians use “appropriate” for the match with content, so describe what you saw.
How do you document affect in a progress note?
Quote the client’s mood, then describe affect by quality, range, stability and congruence, with a short example. For example: “Mood ‘a bit better.’ Affect anxious and mildly restricted, brightened when discussing her daughter; stable; congruent with stated mood.”
Related guides: mood · blunted affect · congruent affect · how to describe mood · words to describe affect.
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Further Reading
- DSM-5-TR — The American Psychiatric Association’s diagnostic manual. Mental status terms such as affect are clinical descriptions; the manual sets out diagnostic criteria rather than how to write a mental status exam.
- NIMH (National Institute of Mental Health) — Plain-language information on mental health conditions, their symptoms and current research.
- Mental status exam template and examples — How this domain fits with the other parts of a mental status exam, with example wording and a fictional completed MSE.