"Thought Disorder"

What is schizophrenia?

Schizophrenia is a mental brain illness, and it can be known as the “thought disorder” because it is difficult to think logically and know what is real. People with this disorder might hear voices that might not actually be there.

There are 5 different types of schizophrenia..

  1. Disorganized Schizophrenia ("hebephrenic schizophrenia") - lack of emotion, disorganized speech.
  2. Catatonic Schizophrenia - waxy flexibility, reduced movement, rigid posture, sometimes too much movement.

  3. Paranoid Schizophrenia - strong delusions or hallucinations.

  4. Undifferentiated-Patient may have symptoms of more than one subtype of schizophrenia.

  5. Residual- The recurrence of the symptoms of schizophrenia after a period of time without having a schizophrenic episode.

Schizophrenia (Understanding Disease: Psychiatry)

Body Systems that are affected

The systems that are affected by schizophrenia are:

  • Nervous System

    The nervous system takes in information through our senses, processes the information, and triggers reactions, such as making your muscles move or causing you to feel pain. Your nerves send pain signals to your brain at the same time.

    The central nervous system includes the nerves in the brain and spinal cord.
Ventricular System
  • The ventricular system is a structure containing cerebrospinal fluid in the brain. It is continuous with the central canal of the spinal cord.

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How they are affected.

People with schizophrenia have larger lateral ventricles than normal people. When the size in a persons hippocampus is reduced it has an increase of the basal ganglia. It also will increase the abnormalties in the frontal cortex of the brain, and it is seen in people with schizophrenia.

The neurotransitter dopamine (involved with schizophrenia) will transmit impluses thoroughout the centeral nervous system. Many drugs and antiphycotics help control the symptoms of phycosis, that blocks the transmission of dopamine.

Who is affected?

Anyone can get schizophrenia..

  • Affects both men and women
  • On average men develop symptoms earlier
  • Most people develop schizophrenia during their mid 20s.
  • After 45 years old it is rare to develop
  • It affects all ethnic groups.
  • Affects teen and children in rare cases.
  • 3 million people in the United states
  • 26 million people world wide
  • 10% of people with schizophrenia end their lives

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How to you develop Schizophrenia?

Scientists don't now exactly what causes schizophrenia. The do know that the brain uses neurotransmitters that affect how people develop schizophrenia. The neurotransmitter is called dopamine. Schizophrenia is caused by an overactive dopamine system in the brain.


  • Develop before birth
  • Risks are 10 times higher if you have a parent with the disorder.

Enviornmental Issues

  • Where you grew up
  • If you were adopted
  • Family stress
  • Poor social interactions
  • Viruses
  • Trauma at an early age

Other causes

  • Brain injuries
  • Problems during pregnancy
  • Behavior issues can cause the altered chemical balance of the brain.


  • The diagnosis is recognized with positive symptoms and negative symptoms. To be diagnosed with schizophrenia these symptoms must be present for over 6 months.

  • Another diagnosis is the brain scan of a person, who has been given a diagnosis of schizophrenia and their scans loo different from the scans of other people. Differences occur more in the frontal and temporal lobes of the brain and affects critical thinking in people with this disorder.

  • Diagnosing schizophrenia is different and hard because a person might have another disorder like ADHD, depression,or bipolar disorder. Using drugs can also cause the similar symptoms.

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What are the Signs and Symptoms?

There are different types of symptoms such as...

Positive Symptoms

  • Delusions
  • Hallucinations
  • Disorganized Speech
  • Catatonic behavior

Negative Symptoms

  • Failing to express emotion
  • Failing to take pleasure in life
  • Having attitude

Cognitive Symptoms

  • Short attention span
  • Lack of memory
  • Unable to organize

Other Symptoms

  • Thought of being victimized by others.
  • Psychosis
  • Rapid mood swings
  • Lose interest in things they used to enjoy


Can schizophrenia be treated?

  • Medicines affect how the neurotransmitters work.
  • Antipsychotics -( affect the dopamine level and block the dopamine receptors.)
  • Psychotherapy
  • Community support activities
  • Biological,educational or social interventions.


People with this disorder usually commit suicide. (10% of the population)

  • Function with medication
  • At school work in smaller classrooms with specialist that have experience with the disorder.
  • Accomidate their work.


  • Vincent Van Gogh
  • Eduard Einstein
  • Mandala sign langage interpreter.

I selected this condition because I was interested in it when I had read a book ( "The One Left Behind" by Willo Davis Roberts) that had a schizophrenic character in it and i wanted to learn more about the disorder.


  • 1% of the population has schizophrenia
  • 26 million people around the world and 3 million people in the united states.
  • 1 out of 100 people can get this disorder.
  • 10% of people with this disorder end their own lives.

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Bibliography for Images

"Human Diseases and Conditions." Schizophrenia. N.p., n.d. Web. 19 Dec. 2013.

"Nelson Mandela's Memorial Featured FAKE Sign Language Interpreter?!" PerezHilton RSS. N.p., n.d. Web. 19 Dec. 2013.

"Neuroscience for Kids - Ventricles." Neuroscience for Kids - Ventricles. N.p., n.d. Web. 17 Dec. 2013.

"Schizophrenia Facts and Statistics." Schizophrenia Facts and Statistics. N.p., n.d. Web. 18 Dec. 2013.

"Successful Celebrities with Schizophrenia." Cure Talk. N.p., n.d. Web. 19 Dec. 2013.

"Tackling a Misunderstood Disease." Roche -. N.p., n.d. Web. 19 Dec. 2013.

"Vincent Van Gogh." Artble: The Home of Passionate Art Lovers. N.p., n.d. Web. 18 Dec. 2013.