Dream-sharing and human self-domestication

Blagrove, Mark and Lockheart, Julia (2022) Dream-sharing and human self-domestication. International Journal of Dream Research, 15 (1). ISSN 1866-7953

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Abstract

There are many theories of the function of dreams, such as memory consolidation, emotion processing, threat simulation and social simulation. In general, such theories hold that the function of dreams occurs within sleep, occurs for unrecalled dreams as well as for dreams that are recalled on awakening, and that conscious recall of dreams is not necessary for their function to occur. In contrast, we propose that dreams have an effect of enhancing empathy and group bonding when dreams are shared and discussed with others. We propose also that this effect would have oc-curred in human history and pre-history and, as it would have enhanced the cohesiveness and mutual understanding of group members, the fictional and engaging characteristics of dream content would have been selected for during human social evolution, interacting with cultural practices of dream-sharing. Such dream-sharing may have taken advantage of the long REM periods that occur for biological reasons near the end of the night. Complex narrative dream-production and dream-sharing may have developed alongside story-telling, utilising common neural mechanisms. Dream-sharing hence would have contributed to Human Self-Domestication, held by many researchers to be the primary driver of the evolution of human prosociality, tolerance and reduced intragroup emotional reactivity. We note that within-sleep theo-ries of dream function rely on associational rather than experimental findings, and have as yet untested and speculative mechanisms, whereas post-sleep effects of dream-sharing are readily testable and have mechanisms congruent with the social processes proposed by the theory of Human Self-Domestication.

Item Type:	Article
Uncontrolled Keywords:	Dreaming, dream-sharing, human self-domestication, empathy, mentalising, human evolution, social evolution
Subjects:	B Philosophy. Psychology. Religion > BF Psychology H Social Sciences > HM Sociology
Divisions:	Institutes and Academies > Wales Institute for Science & Art (WISA) > Academic Discipline: Art & Media
Related URLs:	https://journals.ub.uni-heidelberg.de/in...
Depositing User:	Lesley Cresswell
Date Deposited:	06 Jan 2023 11:03
Last Modified:	06 Jan 2023 11:03
URI:	https://repository.uwtsd.ac.uk/id/eprint/2222

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