Abnormality 0.0 / 5 ? PsychologyAbnormalityA2/A-levelWJEC Created by: emilyg77Created on: 12-12-13 17:30 Varm et al Looked at first degree relatives of 1,000 schizophrenics and 1,000 controls. Psychiatric illness = 16% FDR's = 7% controls. 1 of 10 Joseph Calculated pooled data for all schizo twin studies prior to 2001 showed 40.4% concordance = MZ and 7.4% = DZ. 2 of 10 Tienari et al Studied 164 adoptees with schizophrenic mothers. 6.7% = schizophrenic compared with 2% of adoptees born to non schizo mothers. 3 of 10 Lavender Evidence for the dopamine hypothesis is inconclusive as there iare no consistent levels. 4 of 10 Lloyd Said dopamine may be an indirect causing factor of schizophrenia. 5 of 10 Berman et al When schizos were given a card sorting task brain blood flow was reduced where as it increased in control participants. 6 of 10 Bateson Double bind theory - a mother will tell her child she loves him, but in a tone of voice which suggests otherwise. 7 of 10 Berger Schizos reported a higher recall of double bind statements than non schizos. 8 of 10 Kavanagh Found schizos were 4 times more likely to relapse if their familes had high expressed emotions. 9 of 10 Freud 1. regression to a pre-ego stage 10 of 10
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