Schizophre nia A group of severe disorders characterized by… •disorganized and delusional thinking •disturbed perceptions •inappropriate emotions and behaviors Often linked to the Often linked to the neurotransmitter dopamine neurotransmitter dopamine
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Schizophrenia A group of severe disorders characterized by… disorganized and delusional thinking disturbed perceptions inappropriate emotions and behaviors.
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SchizophreniaA group of severe
disorders characterized by…
•disorganized and delusional thinking
•disturbed perceptions
•inappropriate emotions and behaviorsOften linked to the Often linked to the
– Most often are auditoryauditory– Can be visual or tactile (feeling something)
Inappropriate Emotions and Actions
• Laugh at inappropriate times.
• Flat Effect – no emotions
• Senseless, compulsive acts • Word salad• Catatonia
– motionless • Waxy Flexibility
Symptoms of Schizophrenia are put into one of two categories
• Positive SymptomsPositive Symptoms– When symptoms are present like
hallucinations, delusions, and bizarre behavior
• Negative SymptomsNegative Symptoms– When aspects of behavior are deficit or
missing • like apathy or lack of facial expression of emotions
Positive SymptomsPositive Symptoms==
Something is thereSomething is there
Negative SymptomsNegative Symptoms==
Something is absentSomething is absent
Types of Types of SchizophreSchizophre
niania
Paranoid Schizophrenia
• preoccupation with paranoid delusions or hallucinations. – Somebody is out to
get me!!!!
Disorganized Schizophrenia
• disorganized speech or behavior• flat or inappropriate emotion• Usually visibly disturbed• Thought to have “gone mad”
Catatonic Schizophrenia
• Mostly catatonic effect
• Parrot like repeating of another’s speech and movements
Undifferentiated Schizophrenia• Many and varied Symptoms.
• Doesn’t seem to fit with the other types
Causes of Causes of Schizophrenia Genetic FactorsGenetic Factors
An identical twin has a 45-50% chance of An identical twin has a 45-50% chance of having schizophreniahaving schizophrenia
Biochemical ImbalancesBiochemical Imbalances Imbalances of dopamineImbalances of dopamine Too many or too sensitive dopamine Too many or too sensitive dopamine