Mind Map by saramartin, updated more than 1 year ago
Created by saramartin about 7 years ago


Clinical psychology schizophrenia

Resource summary

  1. Positive symptoms:
      1. DELUSIONS
          2. Features:
            1. Aged 15 - 25
              1. 1% of the population have it
                1. 1/4 of people who have had a schizophrenic episode recover and never have it again, and 1/4 of those who have schizophrenia have it continuously, 4 kinds of schizophrenia
                2. Biological explanation; Dopamine hypothesis
                  1. ANTIPSYCHOTICS
                    1. HOW IS IT ADMINISTERED
                      1. HOW IS IT MONITORED
                        1. HOW DOES IT WORK
                        2. BIOCHEMICAL
                          1. Dopamine refers to neurotransmitter functioning. Drugs reduce the amount of dopamine by blocking dopamine receptors. Excess dopamine must be the cause of schizophrenia. Sensitivity to dopamine can arise from genetic inheritance. Development of the receptors in one area might inhibit their development in another. There is some evidence that people who have schizophrenia have enlarged ventricles and smaller frontal lobes. any of these features link with prefrontal cortex damage. This area of the brain finishes developing in adolesence and so therefore links with common onset at that age.
                            1. EVALUATION
                        3. Social Class explanation
                          1. ''people with schizophrenia tend to be from a lower class''
                            1. FOR: EVIDENCE: Harrison et al, Eaton et al, NATURE: Parents, genetically can pass down the likelihood of being prone to stress and druge use which can trigger the disorder. NURTURE: where or how they are brought up, poverty, education, social support, care, living conditions etc. SCIENTIFIC: PET scans to test brains of people in different social classes, it is hard to separate environmental factors to see if they cause schizophrenia, as they could be the result of schizophrenia - as the social drift says. APPLICATION: could use this info to set up more support groups and centres in deprived city areas,talk about the issue in schools, knowing social class of a patient can be considered when diagnosing
                              1. AGAINST:EVIDENCE: does not show cause and effect and is difficult to draw completely valid conclusions from correlational evidence. NATURE VS NURTURE: people who live in lower classes, living in poverty might be more likely to be diagnosed suggesting a diagnosing problem, not environmental. Social disadvantage & environmental factors may not be main cause but a factor that increases likelihood of development. VALIDITY: those in lower socio-economic groups don't hide it, DSM not always accurate. APPLICATION: could be that poverty, unemployment & lack of social support are stressirs at it is this stress that causes the schizophrenia not environment itself.
                              2. CARE IN THE COMMUNITY
                              3. Negative symptoms
                                1. SOCIAL WITHDRAWAL
                                  1. POVERTY IN SPEECH
                                    1. FLATTENING OF VOIVE
                                      1. LACK OF EXPRESSION AND EMOTION
                                      2. TYPES OF SCHIZOPHRENIA
                                        1. CATATONIC
                                          1. DISORGANISED
                                            1. PARANOID
                                              1. RESIDUAL
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