1. Describe each of the 5 sets of schizophrenic symptoms. - PowerPoint PPT Presentation

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1. Describe each of the 5 sets of schizophrenic symptoms.

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1. Describe each of the 5 sets of schizophrenic symptoms. Disorders of thought incoherent thought patterns, inability to stick to one topic, irrational beliefs ... – PowerPoint PPT presentation

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Title: 1. Describe each of the 5 sets of schizophrenic symptoms.


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1. Describe each of the 5 sets of schizophrenic
symptoms.
  • Disorders of thought incoherent thought
    patterns, inability to stick to one topic,
    irrational beliefs or delusions
  • Disorders of attention inability to
    concentrate
  • Disorders of perception hallucinations and
    strange bodily sensations
  • Motor disorders strange facial expressions,
    being extremely active or not active at all
  • Emotional disorders little or no
    emotional responsiveness, or
    inappropriate responses

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2. List and describe the 3 subcategories of
schizophrenia mentioned in the text.
  • Paranoid auditory hallucinations or delusions
    thoughts of being persecuted by others or
    thoughts of grandeur
  • Disorganized bizarre ideas, confused speech,
    great emotional swings
  • Catatonic periods of wild excitement or periods
    of rigid, prolonged immobility
  • Also can be Undifferentiated a mix of symptoms

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TYPE I POSITIVE SYMPTOMS HALLUCINATIONS,
DELUSIONS, BIZARRE BEHAVIOR, CONFUSED THINKING.
FUNCTIONED WELL BEFORE APPEARANCE OF SYMPTOMS.
DISTURBED BEHAVIORS COME GO. DURING CLARITY,
SOCIAL BEHAVIOR IS REASONABLY INTACT. RESPONDS
VERY WELL TO ANTI-PSYCHOTIC MEDICATION. TYPE
II NEGATIVE SYMPTOMS POVERTY OF SPEECH,
EMOTIONAL UNRESPONSIVENESS, SECLUSIVENESS,
IMPAIRED ATTENTION. POOR HISTORY OF SOCIAL AND
EDUCATIONAL FUNCTIONING PRIOR TO ONSET.
UNRESPONSIVE TO ANTI-PSYCHOTIC MEDICATION.
HOWEVER, SOME PATIENTS HAVE BOTH TYPES OF
SYMPTOMS AND SYMPTOMS MAY CHANGE OVER THE COURSE
OF THE ILLNESS.
Other methods of classification
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3. What do the studies of twins with
schizophrenia indicate about the role of genetics
in the causation of the disease?
  • A persons inherits a predisposition for
    developing the disorder
  • Researchers are searching for genetic markers

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4. What is the possible relationship between
dopamine and the disease?
  • There may be over-activity of the dopamine system
    leading to the wide range of symptoms
  • Antipsychotic ( typical neuroleptic) drugs reduce
    dopamine levels and reduce the positive symptoms
    (Type I)

The dopamine pathways in schizophrenia
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5. What is the possible relationship between
ventricle size and the disease?
  • Some schizophrenics have abnormally large
    ventricles, which results in a reduction of the
    overall size of the brain, which may contribute
    to the diseases development

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6. What is the possible relationship between the
frontal lobe and the disease?
  • There is less activation in the prefrontal cortex
    of some schizophrenics
  • Also increased activity in the temporal lobes

Several lines of evidence suggest that there are
robust disturbances in prefrontal cortex (PFC) in
schizophrenia and affective disorders. Examples
of patients are shown in the brain images in this
article who have (patient 2) and do not have
(patient 1) this abnormality.
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7. How might environmental factors play a role in
the onset of the disease?
  • The diathesis stress theory says that a person
    with a genetic predisposition combined with life
    stressors may result in the diseases onset

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8. Describe the most common treatment option for
schizophrenia.
  • Typical and atypical neuroleptics (antipsychotic
    drugs) that affect Dopamine receptors

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9. Describe a major side effect of the treatment.
  • Tardive dyskinesia
  • Slow, involuntary, and uncontrollable rhythmic
    movements and rapid twitching of the mouth and
    lips, as well as unusual movements of the limbs

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