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- W2200547647 abstract "Background: Bipolar spectrum conditions arose during the Pleistocene epoch, where social inclusion was maintained through prestige – the investment of the group in the individual. This thesis seeks to investigate the interplay between bipolarity and prestige.Methods: A case control study categorised 228 adult participants into a seven node bipolar spectrum. (1) Structural differences in prestige approach motivation (MSPaM) between the nodes were assayed. (2) A dynamic model of bipolar pathogenesis was tested by means of correlation and path analysis. (3) Binary logistic regression was utilised to examine the relationships between MSPaM, bipolar family history, perceived childhood relational trauma (PCRT)and bipolar disorder. (4) Contour plots of affective change on the plot of MSPaM versus prestige were drawn. (5) An exploratory analysis was undertaken.Results: (1) After controlling for mood variables, bipolar I (S1), bipolar II (S2) and (bipolar family history-positive) pseudounipolar (S3) groups were found to have higher mean MSPaM scores than controls (S7). (2) There was good evidence to support the modelling for the dynamic model stem and depressive (withdrawal) branch, while support for the approach arm was ambiguous; the relationship for tension and prestige only being evident in moderate mood elevation. In hypomania MSPaM correlated strongly with prestige (r = 0.51). While the bipolar depressed cohort demonstrated a raised MSPaM, the unipolar depressed cohort did not. The pseudounipolar (S3) node had both elevated MSPaM and prestige when compared with the unipolar (S6) node. (3) MSPaM predicted BD (OR 6.8), but only in the absence of bipolar family history, and the converse trend was evident. (4) The contour maps showed three affective zones – depressive, elevated and euthymic.Conclusions: Developmental, genetic, and social-prestige variables relate dynamically to the bipolar spectrum, where those with bipolar disorder have a greater drive to social inclusion. Mood disorders may have arisen in evolutionary time through prestige competition in the context of relative social marginality; bipolar depression being a means of ostracism avoidance and hypomania serving to raise social value (prestige) through mood elevation and prestige approach motivation. The contour plots provide us with a landscape of bipolar mood states, promoting the view that they may be evolutionarily stable strategies in the ancestral competition for prestige. There was a complex interaction of MSPaM and bipolar family history with respect to bipolar causation, suggestive of at least two pathways to bipolar disorder. Childhood relational trauma (PCRT) appeared to be a further aetiological factor. The prestige model offers a new conceptualisation of affective disorders and has received preliminary support." @default.
- W2200547647 created "2016-06-24" @default.
- W2200547647 creator A5084145484 @default.
- W2200547647 date "2015-01-01" @default.
- W2200547647 modified "2023-09-27" @default.
- W2200547647 title "Affect on the prestige landscape: the prestige model of spectrum bipolarity" @default.
- W2200547647 hasPublicationYear "2015" @default.
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