Conversation will not be pleasurably stimulating for a person with extreme anhedonia, and thus that person may not be as responsive to conversation or its emotional subject matter. A person with anhedonia may be unable to laugh or smile, for example. In the case of anhedonia, emotions relating to pleasure will not be expressed as much or at all because they are literally not experienced or are decreased. Anhedonia is the decrease or cessation of all feelings of pleasure (which thus affects enjoyment, happiness, fun, interest, and satisfaction). īlunted affect should not be confused with anhedonia although the two share some characteristics.
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. Those displaying on this end of the spectrum may self-report dissociation but no psychological distress per se. Others have developed less emotional reactivity as an arguably natural reaction to stress.
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. Veterans of intense combat have been described as having the thousand-yard stare (or thousand-yard gaze). Victims of post-traumatic stress syndrome are often said to display blunted affect. 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.
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. Blunted affect is the scientific term describing a lack of emotional reactivity on the part of an individual.
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