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What is Organic Psychosis?

Daniel Liden
Updated: Mar 03, 2024

An organic psychosis is an abnormal mental state with a known physical cause characterized by an altered perception of reality. This condition can be acute, as is the case when psychosis is caused by some form of intoxication, or chronic, as is the case with dementia. Organic psychoses can have many different causes, ranging from traumatic brain injuries or drug abuse to the contraction of a brain disease. In each case, however, a physical, biological cause can be found to explain the problem. In contrast, a functional psychosis is an abnormal mental state that can not be traced to a concrete, biological origin.

The symptoms of psychosis may vary greatly from person to person, though all are characterized by an altered perception of reality. Individuals suffering from this condition may experience hallucinations, delusions, and thought disorders of various forms. Hallucinations occur when an individual perceives something, such as a sound or an image, that is not actually present. Auditory hallucinations are the most common of those experienced by those with psychosis, though hallucinations involving all senses can be experienced.

A person suffering from organic psychosis may also suffer from delusions, or beliefs that have no basis in reality. These beliefs often come in the form of paranoia, and a delusional individual may believe without reason that there are people or forces who are actively trying to harm him. Psychotics sometimes suffer from disorders of thought as well, with their ability to form coherent associations often declining as their psychosis worsens. This often becomes apparent through incoherent speech or writing.

There are many different possible causes of organic psychosis. Sometimes, the cause may be as simple and correctable as a fever caused by an infection. The increase in body temperature alters body chemistry and can lead to an acute state of psychosis commonly referred to as delirium. In other cases, it can have a cause that is neither simple nor correctable. Aging, for instance, causes some forms of dementia, such as Alzheimer's disease and Creutzfeldt–Jakob disease. Both have identifiable biological causes and both cause psychosis, but neither can be cured and both tend to worsen over time.

The classification of psychosis has changed over time and the terms "organic psychosis" and "functional psychosis" have fallen out of common use. Psychoses are generally divided into psychosis due to general medical conditions, traditional psychotic illnesses, and substance-induced psychosis. Organic examples can be found within each of these categories.

The Health Board is dedicated to providing accurate and trustworthy information. We carefully select reputable sources and employ a rigorous fact-checking process to maintain the highest standards. To learn more about our commitment to accuracy, read our editorial process.
Daniel Liden
By Daniel Liden
Daniel Liden, a talented writer with a passion for cutting-edge topics and data analysis, brings a unique perspective to his work. With a diverse academic background, he crafts compelling content on complex subjects, showcasing his ability to effectively communicate intricate ideas. He is skilled at understanding and connecting with target audiences, making him a valuable contributor.
Discussion Comments
By anon117448 — On Oct 10, 2010

VCJD is likely to be caused by lidocaine. The chemical contaminates the brain. Then the brain and spine was used for food for animals. Double concentrating the chemical ticks boxes on lidocaine in the British and European medical journal.

Why was it withdrawn from use with animals for food consumption?

Elderly people sometimes come out of operations and show signs of dementia. This is likely because their brain is damaged by the chemicals due to slow filtration of their kidneys.

Retardation in children could be side effects from chemicals. Again, their kidneys cannot filter chemicals out of their system at the normal pace of an average age adult.

By anon117445 — On Oct 10, 2010

Psychiatrists are rarely trained in drugs but prescribe them.

Beauty is in the eye of the beholder because the mind distorts the image of the person. When you meet an old friend who you haven't seen for years, you often say they haven't changed. That's because your mind remembers the image from years ago and distorts the true image you see.

By anon117444 — On Oct 10, 2010

Did you know that lidocaine causes psychosis? See tocainide and lidocaine in the British medical Journal. Women have psychosis after childbirth usually have a lidocaine epidural.

Did you know that lidocaine is no longer given to animals used for food consumption? It was withdrawn as a precaution to public health.

Doctors rarely ask a patient if they have had any treatment, i.e. lidocaine, when they make a diagnosis of a patient who shows signs of mental health symptoms. My research indicates that when many people have been misdiagnosed as bipolar, etc., that it's due to lidocaine.

Daniel Liden
Daniel Liden
Daniel Liden, a talented writer with a passion for cutting-edge topics and data analysis, brings a unique perspective to...
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