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Self unbound: ego dissolution in psychedelic experience #MMPMID30042848
Letheby C; Gerrans P
Neurosci Conscious 2017[]; 2017 (1): ä PMID30042848show ga
Users of psychedelic drugs often report that their sense of being a self or ?I? distinct from the rest of the world has diminished or altogether dissolved. Neuroscientific study of such ?ego dissolution? experiences offers a window onto the nature of self-awareness. We argue that ego dissolution is best explained by an account that explains self-awareness as resulting from the integrated functioning of hierarchical predictive models which posit the existence of a stable and unchanging entity to which representations are bound. Combining recent work on the ?integrative self' and the phenomenon of self-binding with predictive processing principles yields an explanation of ego dissolution according to which self-representation is a useful Cartesian fiction: an ultimately false representation of a simple and enduring substance to which attributes are bound which serves to integrate and unify cognitive processing across levels and domains. The self-model is not a mere narrative posit, as some have suggested; it has a more robust and ubiquitous cognitive function than that. But this does not mean, as others have claimed, that the self-model has the right attributes to qualify as a self. It performs some of the right kinds of functions, but it is not the right kind of entity. Ego dissolution experiences reveal that the self-model plays an important binding function in cognitive processing, but the self does not exist.
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Neurosci+Conscious 2017 ; 2017 (1): ä
