Abstract
In this paper I examine how Darwinian thought has been applied to understanding the evolutionary origins of depression. The application of evolutionary theory has produced a significant number of adaptive hypotheses for the origins of depression. Some of the main models are discussed. The ‘separation-distress’ emotional system described Watt and Panksepp (Neuropsychoanalysis 11:7–51, 2009), provides a convincing evolutionary-conserved neurochemical and emotional system which may form the basis of a depressive response in humans. By reflecting on these models, I discuss whether depression in humans can be considered to be an adaptation in evolutionary terms, or whether it is a maladaptive response to adverse life events.
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Ashelford, S. (2012). Does Depression Require an Evolutionary Explanation?. In: Brinkworth, M., Weinert, F. (eds) Evolution 2.0. The Frontiers Collection. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-20496-8_4
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DOI: https://doi.org/10.1007/978-3-642-20496-8_4
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