Related Symptoms
Blunted affect is very similar to anhedonia, the decrease or cessation of all feelings of pleasure (which thus affects enjoyment, happiness, fun, interest, and satisfaction). 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. Both blunted affect and anhedonia are considered negative symptoms of schizophrenia, meaning that they are indicative of a lack of something. There are some other negative symptoms of schizophrenia which include avolition, alogia and catatonic behaviour.
Closely related is alexithymia – a condition describing people who "lack words for their feelings. Indeed, they seem to lack feelings altogether. although this may actually be because of their inability to express emotion rather than from an absence of emotion altogether". Alexithymic patients however can provide clues via assessment presentation which may be indicative of emotional arousal.
"If the amygdala is severed from the rest of the brain, the result is a striking inability to gauge the emotional significance of events; this condition is sometimes called 'affective blindness'".
Read more about this topic: Blunted Affect
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