Schizophrenia

Schizophrenia• About 1 in every 100

people are diagnosed with schizophrenia.

Symptoms of Schizophrenia:

1.Disorganized thinking.2.Disturbed

perceptions.3.Inappropriate

emotions and actions.

Disorganized Thinking• The thinking of a

person with schizophrenia is fragmented and bizarre; also distorted with false beliefs.

• Disorganized thinking comes from a breakdown in selective attention - they cannot filter out information.

• Often causes . . .

Delusions (false beliefs)

•Delusions of Persecution

•Delusions of Grandeur

Disturbed Perceptions• Hallucinations-

sensory experiences without sensory stimulation (usually auditory like voices in their head).

Inappropriate Emotions and Actions

• Laugh at inappropriate times.• Flat Effect - (zombielike

state).• Senseless, compulsive acts.• Catatonia - motionless for

hours.

Positive vs. Negative Symptoms

Positive Symptoms• Presence of

inappropriate symptoms

Negative Symptoms

• Absence of appropriate ones.

Types of Schizophrenia

Disorganized Schizophrenia• Disorganized speech or behavior,

or flat or inappropriate emotion.• Clang associations: • "Imagine the worst

systematic, sympatheticquite pathetic, apologetic, paramedic. Your heart is prosthetic.“

• Word salad:• “It’s all over for a squab true tray and

there ain’t no music, there ain’t no nothing besides my mother and father who stand alone upon the Island of Capri where there is no ice.”

Paranoid Schizophrenia

• Preoccupation with delusions or hallucinations of persecution.

• Always looking over your shoulder like somebody is out to get you!

• http://www.youtube.com/watch?v=gGnl8dqEoPQ&feature=results_main&playnext=1&list=PL135E3BF70B9D590C

Catatonic Schizophrenia• Flat effect.• Waxy Flexibility.• Immobility and/or

parrotlike repeating of another’s speech and movements .

Undifferentiated Schizophrenia• Many varied

symptoms.• "Undifferentiated

schizophrenia" is used as a label for cases of schizophrenia that don't match any of the established types of schizophrenia.

Residual Schizophrenia

• This subtype is diagnosed when the patient no longer displays prominent positive symptoms (i.e. hallucinations).

• The person does show some negative symptoms like speaking little or being apathetic.

Causes of Schizophrenia • No known single

cause. • Possible causes:• Excess of dopamine

receptors.• Low activity in

frontal lobes.

Causes of Schizophrenia • Possible causes:• Enlarged

ventricles in the brain.

• Shrinkage of brain tissue in limbic system.

• Prenatal viruses.