MENTAL DISORDERS Dr Ros Weston Psychology MENTAL DISORDERS DSM IV o Clinical characteristics o Symptoms o Syndromes o Definitions Stress Advantages Disadvantages Use research language to describe/ critically analyse/ evaluate Ethnics Limitations o Diathesis Causation Psychological factors -Culture -social factors -experiences Biochemistry Neurochemistry Interactivity between all of these Culture Is it a form of Schizophrenia or not? Evolutionary Social factors Genes Biology MPD? o o It a culture bound syndrome? (Humphreys 1999) (Berry et. al 1992) Is it an exotic mental illness Kora – Chowdley (1998) Benstein & Gaw (1990) Tobin (1996) o Running Amok Knecht (1999) Westmeyer (1973) oExamples : Hungerford : (1987) : Hamilton: Dunblane Columbine School USA (1998) o Anorexia : Holland et al (1988) o Sleep paralysis (Lim, Keh Ming 1996 o Schizophrenia & TV Evidence o Incidence : 1950’s Case study Eve 130 cases : an epidemic o M.P.D defence placed on trial o Under & Over diagnosis are patients genuine? o o Iatrogenesis : physical or therapist induced (Meskey 1992) : leads to social desirability and demand characteristics Hypnosis increase iatrogenic effect. (Sparos, 1995) Once a personality been given a name it becomes reality (Sparos 1985) Experience Differences from Schizophrenia Case Study evidence 1. Three faces of Eve 2. Sybil 3. Hillside strangler o presence of 2 or more distinct personalities. o It is a personality disorder not a episodic disorder o It is deeply engrained & enduring o It is also known as dissociative identity disorder (Allison& Schwaty) “it is not various identities but simply multiple identities. Is MPD or Any Mental Illness Culturally Relative? Berry 1992: Cultural Relativity or Culturally Universal? “Are there local expression of universal disorders?” Cultural symptoms could be primary rather than cultural overlay MPD also known as Disassociate Identity Disorder Berry : Disorders worldwide : MPD; Schizophrenia; Depression; Manic Depression; Dementia; Senility (Kendall & Hammen, 1995), Explaining Cultural Differences (Synoptic Issue) Variations of symptoms not accounted for ie. DSM IV or ICD 10. (Ebigro, 1986) Interpretation of DSM by individual psychiatrists problematic Argument 1 Suppression – facilitation model (Weisz, 1987) Reducing Cultural Bias • • • Suppressed behaviour will rarely be seen if a culture expects it not to happen. (Social norms & values) Expected behaviour is rewarded so will be seen often : expected behaviour is rewarded therefore it is facilitated. (if. US Children & Thai study schoolchildren in text book) Misdiagnosis : Stevens (1987) • • • There is a lot of misdiagnosis in developing countries : India (Asia) & Africa Afro-Caribbean’s in the UK are 7* more likely have a diagnosis of schizophrenia than a white person Blake, (1973) found evidence of cultural relatively • • Need to understand language differences between patients & clinician / therapist Therapists & clinicians understanding cultural differences & expression of these Need to know how far client / patient identifies with cultural group Gender Bias / Difference (Robin et al) This has been identified as Alpha & Beta bias in • Amnesia • Alcoholism • Anti – social bias / behaviour Are these ‘real’ gender, differences or clinician / therapist bias? Stereotyping : Social Class Bias Umbenhavuer & De Wilts (1978) found Bias towards poorer people (Social class bias) Higher social classes have coping mechanism and can afford to pay for therapy, life coach etc. See schizophrenia “Social Causation Hypothesis” Social Drift Hypothesis Bowerman (1981) Kendall & Hammen, (1995) Alpha bias exists in relation to “normality” (what is normal?) This mitigates against women Suppression – facilitation hypothesis : Men less likely to seek help than women (Ford & Widiger, 1989) List Alpha & Beta Bias Here….. MALE FEMALE Causation of MPD Iatrogenic Psychodynamic Behaviour Situational Theory of state-dependent learning Self hypnosis Social Construction Biological Evolutionary Cognitive Your Explanation