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Antipsychotics are less effective in the treatment of negative symptoms of schizophrenia such as avolition than for positive symptoms. [7] Low dose amisulpride has shown to be more effective than placebo for treating the negative symptoms of schizophrenia, which includes avolition. It works by blocking pre-synaptic dopamine receptors, causing a ...
Simple-type schizophrenia is characterized by negative ("deficit") symptoms, such as avolition, apathy, anhedonia, reduced affect display, lack of initiative, lack of motivation, low activity; with absence of hallucinations or delusions of any kind.
In schizophrenia, asociality is one of the main five "negative symptoms", with the others being avolition, anhedonia, reduced affect, and alogia. Due to a lack of desire to form relationships, social withdrawal is common in people with schizophrenia.
A distinction is often made between those negative symptoms that are inherent to schizophrenia, termed primary; and those that result from positive symptoms, from the side effects of antipsychotics, substance use disorder, and social deprivation – termed secondary negative symptoms. [52]
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 ...
In schizophrenia, negative symptoms including flattening of affect, avolition, and alogia are responsible for the considerable morbidity of the disease compared with other psychotic disorders. [24] Negative symptoms are common in the prodromal and residual phases of the disease and can be severe. [ 25 ]
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