Disordered Thinking

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Schizophrenia often affects a person’s ability to “think straight.” Thoughts may come and go rapidly; the person may not be able to concentrate on one thought for very long and may be easily distracted, unable to focus attention.

People with schizophrenia may not be able to sort out what is relevant and what is not relevant to a situation. The person may be unable to connect thoughts into logical sequences, with thoughts becoming disorganized and fragmented. This lack of logical continuity of thought, termed “thought disorder,” can make conversation very difficult and may contribute to social isolation. If people cannot make sense of what an individual is saying, they are likely to become uncomfortable and tend to leave that person alone.

• Emotional Expression

People with schizophrenia often show “blunted” or “flat” affect. This refers to a severe reduction in emotional expressiveness. A person with schizophrenia may not show the signs of normal emotion, perhaps may speak in a monotonous voice, have diminished facial expressions, and appear extremely apathetic. The person may withdraw socially, avoiding contact with others; and when forced to interact, he or she may have nothing to say, reflecting “impoverished thought.” Motivation can be greatly decreased, as can interest in or enjoyment of life. In some severe cases, a person can spend entire days doing nothing at all, even neglecting basic hygiene. These problems with emotional expression and motivation, which may be extremely troubling to family members and friends, are symptoms of schizophrenia – not character flaws or personal weaknesses.

• Normal Versus Abnormal

At times, normal individuals may feel, think, or act in ways that resemble schizophrenia. Normal people may sometimes be unable to “think straight.” They may become extremely anxious, for example, when speaking in front of groups and may feel confused, be unable to pull their thoughts together, and forget what they had intended to say. This is not schizophrenia. At the same time, people with schizophrenia do not always act abnormally. Indeed, some people with the illness can appear completely normal and be perfectly responsible, even while they experience hallucinations or delusions. An individual’s behavior may change over time, becoming bizarre if medication is stopped and returning closer to normal when receiving appropriate treatment.

Schizophrenia Is Not "Split Personality"

There is a common notion that schizophrenia is the same as "split personality” – a Dr. Jekyll-Mr. Hyde switch in character.

This is not correct.

Are People With Schizophrenia Likely To Be Violent?

News and entertainment media tend to link mental illness and criminal violence; however, studies indicate that except for those persons with a record of criminal violence before becoming ill, and those with substance abuse or alcohol problems, people with schizophrenia are not especially prone to violence. Most individuals with schizophrenia are not violent; more typically, they are withdrawn and prefer to be left alone. Most violent crimes are not committed by persons with schizophrenia, and most persons with schizophrenia do not commit violent crimes. Substance abuse significantly raises the rate of violence in people with schizophrenia but also in people who do not have any mental illness. People with paranoid and psychotic symptoms, which can become worse if medications are discontinued, may also be at higher risk for violent behavior. When violence does occur, it is most frequently targeted at family members and friends, and more often takes place at home.

What About Suicide?

continue: Causes of Schizophrenia

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Reviewed: 03/2006