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What is psychosis?

One of the world's leading academics and researchers on psychosis, Professor Sir Robin Murray, explains what psychosis really is.

Click on the video to hear from one of the world’s leading academics and researchers on psychosis, Sir Robin Murray. Here he explores current thinking about how we understand psychosis conditions, their symptoms, brain functioning, and some of the factors that have been identified as playing a role in causing psychosis.

Sir Robin Murray is Professor of Psychiatric Research at the Institute of Psychiatry, Psychology & Neuroscience, King’s College London. He was Chairman of the Schizophrenia Commission 2011-12 and knighted in 2011 for his services to medicine.

Here also is an overview of our current understanding of what causes psychosis.

What causes psychosis?

There is no single cause of psychosis. It is caused by a combination of different factors that vary in importance from one individual to another. These can include…
genetics… biochemical balances in the brain…
environmental, social and psychological factors including social isolation… traumatic life experiences…
and drug use such as cannabis. Importantly, there is no magic formula to explain what causes psychosis.

Different people will experience psychosis for different reasons depending on their own histories and vulnerabilities.

In the next section we’ll be looking at some of the key symptoms of psychosis conditions, starting with hallucinations.

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Caring for People with Psychosis and Schizophrenia

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