Understanding Biopsychosocial Factors in Mood Disorders

Very Hard Unit 8: Clinical Psychology Mood Disorders

In a psychological research study, a sample of individuals diagnosed with major depressive disorder (MDD) was assessed for potential genetic and environmental influences on their condition. The researchers specifically focused on identifying whether certain polymorphisms in the serotonin transporter gene (5-HTTLPR) were linked to an increased risk of developing MDD when coupled with stressful life events. In the context of this study, which of the following statements about the implications of this research is LEAST consistent with the current understanding of the biopsychosocial model of mood disorders?

Genetic predispositions can influence an individual's vulnerability to mood disorders, but they do not solely determine the outcome.

Environmental factors, such as chronic stress, are critical in moderating the severity of mood disorder symptoms irrespective of genetic factors.

The interaction between genetic predispositions and environmental stressors supports the idea that mood disorders arise from a multifactorial etiology.

Psychological traits, such as resilience or coping strategies, are irrelevant in understanding the onset of mood disorders.

Genetic testing can accurately predict the onset of major depressive disorder in individuals with high-stress life events.

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