A negative symptom in schizophrenia, marked by poverty of speech and of speech content.

An impoverishment in thinking that is inferred from observing speech and language behavior. There may be brief and concrete replies to questions and restriction in the amount of spontaneous speech (poverty of speech). Sometimes the speech is adequate in amount but conveys little information because it is overconcrete, overabstract, repetitive, or stereotyped (poverty of content).

absence of thought or speech.

inability to speak. May be associated with mental deficiency.

(ah-lo-jee-ah): A condition characterized by an inability to speak. A " negative" symptom of schizophrenia.

In psychology, alogia (Greek α-, “without”, and λόγος, “speech”), or poverty of speech, is a general lack of additional, unprompted content seen in normal speech. As a symptom, it is commonly seen in patients suffering from Schizophrenia. It can complicate psychotherapy severely because of the considerable difficulty in holding a fluent conversation.