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Did you know that schizophrenia affects more than 1 percent of the world's population?

See NARSAD Grants at work on the latest schizophrenia research

Schizophrenia is a severe, chronic, and generally disabling brain and behavior disorder. It is most accurately described as a psychosis - a type of illness that causes severe mental disturbances that disrupt normal thoughts, speech, and behavior. Schizophrenia is believed to be caused by a combination of genetic and environmental factors.

Positive symptoms may include delusions, thought disorders, and hallucinations. People with schizophrenia may hear voices other people don't hear, or believe other people are reading their minds, controlling their thoughts, or plotting to harm them. Negative symptoms may include avolition (a lack of desire or motivation to accomplish goals), lack of desire to form social relationships, and blunted affect and emotion. Cognitive symptoms involve problems with attention and memory, especially in planning and organization to achieve a goal. Cognitive deficits are the most disabling for patients trying to lead a normal life.

learn more about schizophrenia

Visit the Schizophrenia Research Forum, fully sponsored by the Brain & Behavior Research Foundation—a virtual community of scientists collaborating in their quest for causes, improved treatments, and better understanding of schizophrenia.

Visit the Schizophrenia Research Forum for more information about research


Alessandro Usiello, Ph.D. - Brain & behavior research expert schizophrenia
Alessandro Usiello, Ph.D.
March 10, 2015
New research by Foundation-funded scientists sheds light on a problem in brain biochemistry that scientists have previously associated with schizophrenia. The...
Daniel H. Geschwind, M.D., Ph.D. - Brain & behavior research expert on autism
Dr. Daniel H. Geschwind
March 09, 2015
New research sheds light on the big potential impact in neurological and psychiatric disorders––including autism spectrum disorder (ASD)––of very small bits of...
Tobias Gerhard, Ph.D. - Brain & Behavior research expert on bipolar disorder
Tobias Gerhard, Ph.D.
March 03, 2015
Regular treatment with lithium may reduce the risk of dementia in people with bipolar disorder, according to scientists who analyzed data from more than 40,000...
Susan B. Powell, Ph.D. - Brain & behavior research expert on autism
Susan B. Powell, Ph.D.
March 02, 2015
New research evaluating the effects of a century-old drug on mouse models of autism spectrum disorder (ASD) provides a potentially important clue about how ASD...
P. Jeffrey Conn, Ph.D. - Brain & behavior research expert on depression
P. Jeffrey Conn, Ph.D.
February 27, 2015
A number of psychiatric disorders––schizophrenia, as well as mood disorders like major depression and bipolar disorder––have among their symptoms cognitive...


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