Thought disorder
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Clinic
- TD is characterized by Disruption of the form or structure of thought. It is opposite to Delusion, which is characterized by Disruption of the content of thought.
- Recently in order to emphasize on impaired form of thought, its named changed to Formal thought disorder (FTD).
- Like Delusion, it is an entity with variety of Sign / Symptoms
- It is typically an entity of schizophrenia, but like other entities it is used by other disease such as Mood disorders, Dementia, Mania, and other neurological diseases.
Types
- Types of FTD include
- Derailment
- Pressured speech
- Poverty of speech
- Tangentiality
- Verbigeration
- Thought blocking
Note
- FTD, unlike hallucinations and delusions, is an observable, objective sign of psychosis.
- According to Eugen Bleuler, who named schizophrenia, the main core of Psychosis is loss of insight. It means that the psychotic patient is not aware of what he is doing. In hallucinatory disorders that the patient see or hear some illusions but he is aware of his fake sensation. Therefore this is different from psychosis.