Issues Surrounding Classification and Diagnosis of Schizophrenia

HideShow resource information
  • Created by: The Shrew
  • Created on: 20-04-15 14:11
View mindmap
  • Classification and Diagnosis
    • Co-morbidity
      • Both depression and Sz exhibit low motivation
      • Sim et al
        • 32% of 142 hospitalized schizophrenia patients had an additional disorder
      • Reductionist- Schizotypy is a continuum
        • Chapman et al
          • Normal people high in schizotypy more likely to develop psychosis over the next 10 years
    • Reductionist- Schizotypy is a continuum
      • Chapman et al
        • Normal people high in schizotypy more likely to develop psychosis over the next 10 years
    • 2 diagnostic routes
      • Assumes mental disorders are distinct
        • Co-morbidity
          • Both depression and Sz exhibit low motivation
          • Sim et al
            • 32% of 142 hospitalized schizophrenia patients had an additional disorder
      • DSM-5
      • ICD-10
      • Jakobson et al
        • DSM-5 and ICD-10 have good agreement in comparison with Operational Criteria Checklist
    • Assumes mental disorders are distinct
      • Jakobson et al
        • DSM-5 and ICD-10 have good agreement in comparison with Operational Criteria Checklist
      • Modifications from DSM-IV to DSM-5
        • No longer case that only one symptom is required if it's bizarre enough
          • Need at least two
          • Has to be present for at least one month
        • Simplifies Criterion A
          • Tandon et al
            • Enhances clinical unity and validity
          • Bell et al
            • Hard to distinguish between 'bizarre' and 'not bizarre'
        • Adds 'history of other communication disorder of childhood onset' rather than just 'autism'
          • Dyck et al
            • Prevalence of other communication disorders
      • Rosenhan
        • 8 health confederates attempt admission to 12 psychiatric hospitals- claimed to hear voices
          • 7 diagnosed with Sz
            • Took 19 days for discharge after claiming they were better- classed as 'in remission'
        • Staff told pseudo-patients would attempt admission
          • Not ture.....
            • One staff member turned away 41 genuine pateints
        • Ecological Validity?
          • Kety
            • Disorder feigned with abnormal behavior- should have been diagnosed
          • Fake admission rare occurrence- diagnosis of Sz in remission uncommon- released relatively quickly
      • Ethnic Bias
        • McGovern and Cope
          • 2/3rds of Uk's psychotic patients African-Carribean
        • Keith et al
          • USA Sz occurence
            • 2.1% for African- Americans
            • 1.4% White Americans
            • Controlled for social factors- no change!
              • Lower Class- 1.9%
              • Middle Class- 0.9%
              • Upper Class- 0.4%

    Comments

    No comments have yet been made

    Similar Psychology resources:

    See all Psychology resources »See all Schizophrenia resources »