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Behavioral excesses and distortions in schizophrenia.
Ex. Delusions, hallucinations |
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beliefs held contrary to reality and firmly held in spite of disconfirming evidence
ex. thought insertion/broadcasting, belief that feelings/behaviors are being controlled, grandiose delusions, ideas of reference |
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exaggerated sense of his or her own importance, power, knowledge, identity.
ex. belief that you can change the wind by moving your hands |
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incorporation of unimportant events within a delusional framework and reads personal significance into trivial activities of others.
ex. thinking overheard segments of conversation are about them |
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sensory experiences in the absence of any relevant stimulation from the environment
most often auditory, less often visual; present in 74% of schizophrenics in a certain sample. |
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AKA apathy
lack of motivation ad seeming absence of interest in or inability to persist in what are usually routine activities (ex. work, school, self-care, hobbies, social activities). |
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significant reduction in the amount of speech |
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loss of interest in or a reported lessening of the experience of pleasure.
2 types of pleasure that can be affected - consummatory and anticipatory |
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amount of pleasure experienced in the moment or in the presence of something pleasurable (ex. pleasure experienced while eating a delicious meal)
does not seem to be impaired in schizophrenics |
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amoutn of expected or anticipated pleasure from future events or activities
Affected in schizophrenia (reduced) |
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lack of outward expression of emotion (found in 66% of one sample of people with schizophrenia) |
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Term
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Definition
People with schizophrenia do not necessarily experience more stress in everyday life.
However, when experiencing stress, it leads to greater decreases in positive moodes in people with schizophrenia and their relatives as compared to controls.
Also leads to greater increases in negative moods in schizophrenics as compared with |
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Term
Sociogenic Hypothesis of Schizophrenia |
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Definition
Stressors associated with SES may cause or contribute to the development of schizophrenia. Ex. degradation, discrimination, low education levels, lack of rewards/opportunities.
Or, these stressors could have neurobiological effects - children of mothers with poor nutrition are at increased risk for schizophrenia. |
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Social Selection Theory of Schizophrenia |
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Definition
During the course of developing illness, people with schizophrenia may drift into poor neighborhoods because their illness impairs their earning power and they can't afford to live elsewhere. |
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