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Blunted affect is the scientific term describing a lack of emotional reactivity on the part of an individual. The precise boundary between the generally positive personality trait "serious" and the generally pathological "blunted affect" is impossible to describe precisely because it is culture specific and relies on subjective values. For example, the Japanese are often described as "unemotional" (even to the point of "blunted in affect") by Americans, and so the same individual may be considered to display a blunted affect in one culture and be merely "serious" or "unemotional" in another. See culture-specific syndrome.

Victims of post-traumatic stress syndrome (another culture-specific syndrome) are often said to display blunted affect. Veterans of intense combat have been described as having the thousand-yard stare (or thousand-yard gaze). Some of these veterans clearly suffer from a grave disorder commonly known as shell shock and may suffer from recurring nightmares or otherwise experience psychological distress. Others have developed less emotional reactivity as an arguably natural reaction to stress. Those displaying on this end of the spectrum may self-report dissociation but no psychological distress per se. At least one analyst of military basic training has described one primary goal of said training to be inducing this state of being, considered desirable for maintaining calm and rational decision-making capability during combat situations.

One final consideration worth noting is that adults generally display less affect than children. This suggests blunting one's affect may be a normal part of maturation.

Contents 1 Affective Flattening 2 Affect and Low-Functioning Schizophrenia 3 References 4 External links

Affective flattening: This general category includes all types of a loss or lack of emotional expressiveness. It is sometimes inappropriately equated with blunted or restricted affect. "Blunted" is affect that is present but only with minimal degrees of emotions evident. "Restriction" is a holding back or as in alexithymia. "Restricted" is not as severe as in flattened or blunted affect.

Flat: "I don't know" Blunted: "I'm not sure" Restricted: "I think so"

Constricted affect is an affect type that represents mild reduction in the range and intensity of emotional expression. If the client is consistently euphoric and all intensity is congruent but are unaffected by content, this would be still considered constricted to a euphoric affect.

Labile affect refers to the pathological expression of laughter, crying, or smiling. It is also known as '"Pseudobulbar Affect"', '"Emotional Lability'", '"Pathological Laughter and Crying"', or, historically, '"Emotional Incontinence'". An individual may find themselves laughing uncontrollably at something that is only moderately funny, being unable to stop themselves for several minutes.

• concordance (expressed emotion seems to fit what patient is saying, doing) appropriateness, responsiveness (expressed emotion sensibly follows from the precipitating stimuli)
• full range (normal variation of emotions during exam)
• restricted, constricted range (limited variability of emotion during exam)
• stable (normal movement between emotions)
• labile (type or intensity shifts suddenly, rapidly)
• blunted (few emotions expressed, low intensity)
• flat (affect is even less intense than blunted; patient may appear inanimate) exaggerated intensity

Hoschel (2001) describes the responses of schizophrenia because "emotional information might be related to low social/emotional functioning of the individual with schizophrenia." Referring to clients who are considered "low functioning" (schizophrenics), manifestations of the internal stressors become apparent through displacement activities. Alexithymic patients provide clues via assessment presentation which may be indicative of emotional arousal (Trouisi, 2000) The displacement and lack of cognitive responses may be enough for descriptive clinical documentation, but more is usually required. "The Soul's Words (Psyche Logos) have much to say and even greater to reveal." (?) It communicates in ways that are beyond the 'normal' interpretive mechanics. Our description of the emotional component especially with alexithymia makes the therapist more like a detective. One must possess the tools of description and be fluent with its appropriate application. For more general information, resources such as http://www.mentalhealth.com/whgdata/whlstg0.htm may be helpful.

• Hoschel K, Irle E. (2001) Emotional priming of facial affect identification in schizophrenia.

Schizophr Bull. Volume:27(2):317-27). Sonnenberg Clinic, Department of Psychiatry, Saarbruken, Germany.

• TROISI, ALFONSO M.D.1; BELSANTI, SERGIO M.D.1; BUCCI, ANNA ROSARIA M.D.1; MOSCO, CRISTINA M.D.2; SINTI, FABIOLA M.D.1; VERUCCI, MONICA M.D.1.(2000), Affect Regulation in Alexithymia: An Ethological Study of Displacement Behavior during Psychiatric Interviews. J Nerv Ment Dis. 2000 Jan;188(1):13-8.

• The Schizophrenic Symptom of Flat Affect - How one person who has schizoaffective disorder compensates for it through writing and music.