13....signs and symptoms of mental illness 97-03 PPT课件.ppt

13....signs and symptoms of mental illness 97-03_PPT课件Wuhan mental health center
The subsidiary hospital of tongji medical college
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Chinese name:li yichen
E-mail :lyc76830@
A doctor majoring in psychiatry and psychology from the wuhan mental health center
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Signs and symptoms of mental illness
ⅠAbnormalities of perception
Ⅱ abnormalities of thought and speech
Ⅲ Abnormalities of mood and behaviour
Ⅳ congnitive deficits
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ⅠAbnormalities of perception
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Learning objectives
You should :
Be able to recognize and identify abnormalities of perception associated with mental illness.
Be able to differentiate an illusion from a hallucination.
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Changes in intensity
Ordinary noises can take on the quality of piercing and shattering sounds in anxiety disorders or post-traumatic states.
Colours can be brighter than usual in drug-induced states.
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Perceptions can have a diminution of intensity.
For example, Pain or sensation can be reduced in hysteria or neurological disorders.
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Abnromal characteristics
Derealization (非真实感)
Depersonalization(人格解体)
Both states can occur in many different psychiatric conditions.
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Illusions
Transpositions or distortions of real perception.
To arise from real experience.
To occur in most psychiatric conditions.
To be experienced by ordinary people at some time.
They are more likely to occur if sensation is impaired in some way.
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