REVISION UNIT 4: DEPRESSION WHAT ARE THE KEY AREAS OF THE SPECIFICATION? 1. CLININCAL CHARACTERISITICS 2. ISSUES SURROUNDING THE CLASSIFICATION AND DIAGNOSIS OF DEPRESSION, INCLUDING RELIABILITY AND VALIDITY 3. BIOLOGICAL EXPLANATIONS OF DEPRESSION FOR EXAMPLE, GENETICS, BIOCHEMISTRY 4. BIOLOGICAL THERAPIES OF DEPRESSION, INCLUDING THEIR EVALUATION IN TERMS OF APPROPRIATENESS AND EFFECTIVENESS 5. PSYCHOLOGICAL EXPLANATIONS OF DEPRESSION FOR EXAMPLE, BEHAVIOURAL, COGNITIVE, PSYCHODYNAMIC 6. PSYCHOLOGICAL THERAPIES FOR DEPRESSION AND INCLUDING THEIR EVALUATION IN TERMS OF APPROPRIATENESS AND EFFECTIVENESS. CLINICAL CHARACTERISTICS Outline clinical characteristics of depression Outline three clinical characteristics of depression What is depression? How does it affect people? And who is it likely to affect? What are the different types of depression recognised by the DSM-IV-TR? What is the diagnositic criteria for depression? (i.e. 2 wks) What are the signs/symptoms of depression? ------------ KEEP IT CONCISE ------------------Q may vary from 5 / 6 / 9 marks. ISSUES SURROUNDING THE CLASSIFICATION AND DIAGNOSIS OF DEPRESSION, INCLUDING RELIABILITY AND VALIDITY EXAM STYLE QUESTIONS: Describe and evaluate issues in classifying or diagnosing depression Discuss the issues which apply to diagnosing depression To what extent are diagnoses of depression reliable and valid? --------------------------------------------------------- WHAT YOU NEED TO KNOW: What are the different ways of classifying depressive disorder? –(reliability) How is diagnosis confirmed? – (reliability) How valid are the diagnostic categories? (validity) What are the issues surrounding differential diagnosis and how do they relate to validity? (validity) What other issues affect the validity of diagnosis? BIOLOGICAL EXPLANATIONS Describe each factor and evaluate GENETIC Describe and evaluate (two or more) Wendler (1986) Discuss TWIN STUDIES: Allen (1976), MOST IMPORTANT: MUST MAKE REFERENCE TO RESEARCH STUDIES FAMILY STUDIES: Gershon(1990) Weissman (1984), Oruc et al(1998) ADOPTION STUDIES: Bierut (1999), Kendler (2006) Andrews (1998), Sevey (2000) BIOCHEMICAL AMINE HYPOTHESIS: Mcneal and Cimbolic (1986), Mann(1986), Delack (1995), Zhou (2005) NEUROENDOCRINE FACTORS: cortisols FEMALE HORMONES: PNDCooper (1988). PMD-Dalton (1964). MD low levels oestrogen NEUROANATOMICAL Head injuries – prefrontal lobes. Starkstein and Robinson (1991), Powell and Miklowitz (1994), Nemeroff et al (1992) Revision strategy explanation studies Evaluation and studies kendler Not 100% c rate: Kendler diatheisis stress model genetic twin family BIOLOGICAL THERAPIES THERAPIES DRUGS: RESEARCH STUDIES EVALUATION IN TERMS OF EFFECTIVENESS AND APPROPRIATENESS Olfson et al (06) high suicide attempts for 6-18 yr olds David et al (09) rodents – prozac Kirsch (08) SRRI’s Furukawa et al (03) placebos Akira (09) increase effectiveness Treat symptoms not cause Combining drugs and psychological treatment ECT Explain the Procedures Levy (1968) – less memory loss Paguin et al (08) ECT valid for severe depression Taylor (07) 80% response for severe depression side effects Use of it 1970-1986 Coffey (1998) risk factors Sackheim (2001) relapse PSYCHOSURGERY Surgery involving removal of neural tissues in the brain Last resort Effectiveness Issues of informed consent ANTI-DEPRESSANTS MAOIS / TRICYCLICS / SSRI’S Exam style questions: Outline and evaluate biological therapies as treatments of depression Outline one biological therapy for the treatment of depression PSYCHOLOGICAL EXPLANATIONS 1. PSYCHODYNAMIC EXPLANATIONS: Freud (1917) / Bowlby (1965), Bifulco et al (1987), Abela (2007), Swaffer and Hollin (2001) EVALUATION – Difficult to test, effects of loss of parents, significance of findings 2. BEHAVIOURAL EXPLANATIONS: Lewinsohn (1974) Learning Theory, Seligman (1974) Learned Helplessness, Rehm (1977), Rice and Mclaughlin (2001) EVALUATION – not complete, Ferster (1973), Inconsistent findings 3. COGNITIVE EXPLANATIONS: Beck (1974) Hopelessness theory, Beck’s cognitive theory of depression, Boury (2001), Saisto et al (2001), Mcintosh and Fischer (2000) EVALUATION- Effective, successful, negative thinking linked 4. SOCIO-CULTURAL EXPLANATIONS: Diathesis-stress model. Genetic disposition and reaction to stressful life/environmental factors. Leavey (2007), Cox (2007), Takaaki (2007) Exam style questions: Discuss psychological explanations of depression Outline one psychological explanation of depression Discuss two or more psychological explanations of depression PSYCHOLOGICAL THERAPIES: how effective and appropriate are they? EXPLANATION THERAPY EVALUATION/STUDIES PSYCHODYNAMIC PSYCHOANALYSIS – uses free association/dreams/word association/transference ITP De clerq (1999) Burnard (2002) Carreira (2009 Eysenck (1952) BEHAVIOURAL Behavioural therapy – Lewinsohn (1974) Houghton (2008) Herson (1984) La Fromboise and Rowe (1983) COGNITIVE CBT – Beck (1976) REBT – Ellis (1962) Whitfield and Williams (2003) Flannaghan et al (1987) Exam style questions: Outline one psychological therapy for the treatment of depression Discuss psychological therapies Discuss the effectiveness and appropriateness of two or more psychological therapies Outline and evaluate psychological therapies as treatments of depression