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Brain structure Brain development Scientists believe that many different genes may increase the risk of schizophrenia development, but that no single gene causes the disorder by itself.
It is not yet possible to use genetic information to predict who will develop schizophrenia.
What are the symptoms of schizophrenia? Answer Schizophrenia can have very different symptoms in different people. The way the disease manifests itself and progresses in a person depends on the time of onset, severity, and duration of symptoms, which are categorized as positive, negative and cognitive.
All three kinds of symptoms reflect problems in brain function. Relapse and remission cycles often occur; a person can get better, worse and better again repeatedly over time.
Positive symptoms, which can be severe or mild, include delusions, hallucinations, and thought disorders. Some psychiatrists also include psychomotor problems that affect movement in this category.
Delusions, hallucinations and inner voices are collectively called psychosiswhich also can be a hallmark of other serious mental illnesses such as bipolar disorder. Delusions lead people to believe others are monitoring or threatening them, or reading their thoughts.
Hallucinations cause a patient to hear, see, feel or smell something that is not there. Thought disorders may involve difficulty putting cohesive thoughts together or making sense of speech.
Psychomotor problems may appear as clumsiness, unusual mannerisms or repetitive actions, and in extreme cases, motionless rigidity held for extended periods of time. Negative symptoms include loss or reduction in the ability to initiate plans, speak, express emotion or find pleasure in life.
They include emotional flatness or lack of expression, diminished ability to begin and sustain a planned activity, social withdrawal and apathy. These symptoms can be mistaken for laziness or depression. Cognitive deficits are the most disabling for patients trying to lead a normal life.
At what age do the symptoms of schizophrenia appear? Answer Schizophrenia affects men and women equally. It occurs at similar rates in all ethnic groups around the world. Symptoms such as hallucinations and delusions usually start between ages 16 and Men tend to experience symptoms earlier than women.
Most of the time, people do not get schizophrenia after age Disclaimer. One Freelance Limited: a custom writing service that provides online custom-written papers, such as term papers, research papers, thesis papers, essays, dissertations, and other custom writing services inclusive of research materials for assistance purposes only.
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