Aetiologies of Schizophrenia- Psychologists
- Created by: connieemilyrose
- Created on: 11-12-13 10:21
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- Aetiologies of Schizophrenia- Psychologists
- GOTTESMAN
- % concordance rate for families higher than general pop
- gen pop=1% MZ=48% DZ=17% aunt/uncle=2%
- supports nature, highest rate= highest similar DNA
- gen pop=1% MZ=48% DZ=17% aunt/uncle=2%
- % concordance rate for families higher than general pop
- TIENARI
- 6.7% of adoptees w/ bio mums w/schizo, also given diagnosis BUT 4% of adoptees w/o schiz mum
- genetic link
- %=small
- genetic link
- 6.7% of adoptees w/ bio mums w/schizo, also given diagnosis BUT 4% of adoptees w/o schiz mum
- SEIDMAN
- examined post-mortems, schiz=more dopamine receptors
- more ethical but can't see effect as patient=dead
- GJEDDE AND WONG
- more ethical but can't see effect as patient=dead
- examined post-mortems, schiz=more dopamine receptors
- BATESON
- double bind theory= families of schiz communicate destructively
- mother'd tell child she loves him but in a tone that doesn't suggest so
- suggests mother's interaction= schiz
- LIDZ
- schiz occurs as result of destructive parental interactions w/child
- BERGER
- schiz reported higher recall of double bind statements than non-schiz
- recall may be affected by schiz
- schiz reported higher recall of double bind statements than non-schiz
- BERGER
- schiz occurs as result of destructive parental interactions w/child
- LIDZ
- suggests mother's interaction= schiz
- mother'd tell child she loves him but in a tone that doesn't suggest so
- double bind theory= families of schiz communicate destructively
- FROMM-REICHMANN
- described schizophrenogenics as mothers or families who're rejecting, over-protective and dominat.& act as contributory factors
- STIRLING AND HELLEWELL
- schizophrenic behaviour isn't similar to infantile behaviour
- STIRLING AND HELLEWELL
- described schizophrenogenics as mothers or families who're rejecting, over-protective and dominat.& act as contributory factors
- MISCHLER AND WAXLER
- mothers talking to their schiz daughters= aloof & unresponsive but normal with normal daughters
- schiz=aloof& unresponsive or aloof &unresponsive = schiz?
- ungeneralisable to males
- schiz=aloof& unresponsive or aloof &unresponsive = schiz?
- mothers talking to their schiz daughters= aloof & unresponsive but normal with normal daughters
- KAVANAGH
- schiz in families w/high expressed emotion =4xmore likely to relapse than those who aren't
- BIRLEY
- studied people who had schiz
- subsequent attack= 2x more stressful life events reported than healthy control group
- studied people who had schiz
- DAY
- schiz had lots of stressful life events a few weeks before onset of schiz
- 1) schiz is already in that person = stress e.g. hallucinations=no job
- 2) stressful life events = schiz
- 1) schiz is already in that person = stress e.g. hallucinations=no job
- schiz had lots of stressful life events a few weeks before onset of schiz
- VAN OS
- no link between life events & schiz
- patients eq. likely to have major life event 3 month before schiz
- patients w/stressful life events= less likely relapse
- patients eq. likely to have major life event 3 month before schiz
- no link between life events & schiz
- GOTTESMAN
- GOTTESMAN
- % concordance rate for families higher than general pop
- gen pop=1% MZ=48% DZ=17% aunt/uncle=2%
- supports nature, highest rate= highest similar DNA
- gen pop=1% MZ=48% DZ=17% aunt/uncle=2%
- % concordance rate for families higher than general pop
- GJEDDE AND WONG
- FARDE
- there is no difference in the number of dopamine receptors between schiz &non schiz
- difficult to draw a definite conclusion, high dopamine=schiz or schiz=high dopamine?
- there is no difference in the number of dopamine receptors between schiz &non schiz
- FROMM-REICHMANN
- described schizophrenogenics as mothers or families who're rejecting, over-protective and dominat.& act as contributory factors
- STIRLING AND HELLEWELL
- schizophrenic behaviour isn't similar to infantile behaviour
- STIRLING AND HELLEWELL
- described schizophrenogenics as mothers or families who're rejecting, over-protective and dominat.& act as contributory factors
- BATESON
- double bind theory= families of schiz communicate destructively
- mother'd tell child she loves him but in a tone that doesn't suggest so
- suggests mother's interaction= schiz
- LIDZ
- schiz occurs as result of destructive parental interactions w/child
- BERGER
- schiz reported higher recall of double bind statements than non-schiz
- recall may be affected by schiz
- schiz reported higher recall of double bind statements than non-schiz
- BERGER
- schiz occurs as result of destructive parental interactions w/child
- LIDZ
- suggests mother's interaction= schiz
- mother'd tell child she loves him but in a tone that doesn't suggest so
- double bind theory= families of schiz communicate destructively
- MISCHLER AND WAXLER
- mothers talking to their schiz daughters= aloof & unresponsive but normal with normal daughters
- schiz=aloof& unresponsive or aloof &unresponsive = schiz?
- ungeneralisable to males
- schiz=aloof& unresponsive or aloof &unresponsive = schiz?
- mothers talking to their schiz daughters= aloof & unresponsive but normal with normal daughters
- KAVANAGH
- schiz in families w/high expressed emotion =4xmore likely to relapse than those who aren't
- BIRLEY
- studied people who had schiz
- subsequent attack= 2x more stressful life events reported than healthy control group
- studied people who had schiz
- DAY
- schiz had lots of stressful life events a few weeks before onset of schiz
- 1) schiz is already in that person = stress e.g. hallucinations=no job
- 2) stressful life events = schiz
- 1) schiz is already in that person = stress e.g. hallucinations=no job
- schiz had lots of stressful life events a few weeks before onset of schiz
- VAN OS
- no link between life events & schiz
- patients eq. likely to have major life event 3 month before schiz
- patients w/stressful life events= less likely relapse
- patients eq. likely to have major life event 3 month before schiz
- no link between life events & schiz
- 6.7% of adoptees w/ bio mums w/schizo, also given diagnosis BUT 4% of adoptees w/o schiz mum
- genetic link
- %=small
- genetic link
- examined post-mortems, schiz=more dopamine receptors
- more ethical but can't see effect as patient=dead
- more ethical but can't see effect as patient=dead
- used PET scans, more than twice as many dopamine receptors in schiz than control groups
- PET scans= controlled & objective
- FARDE
- there is no difference in the number of dopamine receptors between schiz &non schiz
- difficult to draw a definite conclusion, high dopamine=schiz or schiz=high dopamine?
- there is no difference in the number of dopamine receptors between schiz &non schiz
- FARDE
- PET scans= controlled & objective
- PET scans= controlled & objective
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