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M. Blagrove

3 papers in the library · 122 citations · publishing 2000-2021

Papers

Cannabis and Ecstasy/MDMA: Empirical Measures of Creativity in Recreational Users

Journal of Psychoactive Drugs December 1, 2009 Katy A. Jones, M. Blagrove, A. C. Parrott 41 citations

Chronic cannabis users generated more rare-creative responses on a test of creativity than non-drug users, a difference that remained after adjusting for gender. Ecstasy users did not differ from controls on behavioral creativity measures but tended to rate their own answers as more creative, though this trend was borderline. There were no group differences in remote-creative ideas or overall fluency. The study compared 15 abstinent cannabis users, 15 abstinent Ecstasy users, and 15 non-drug-user controls on three creativity measures.

Dream-Sharing and Human Self-Domestication

September 9, 2021 M. Blagrove, J. Lockheart preprint

Dreams may have evolved to enhance empathy and group bonding when shared with others, rather than serving functions only during sleep. The authors propose that dream-sharing in history and pre-history would have increased group cohesiveness and mutual understanding, and that the engaging nature of dream content was selected for during human social evolution. Dream-sharing likely interacted with cultural practices and developed alongside storytelling, utilizing common neural mechanisms. This process may have contributed to Human Self-Domestication, a proposed driver of the evolution of human prosociality and reduced emotional reactivity. The authors argue that within-sleep theories of dream function rely on correlational findings and untested mechanisms, whereas post-sleep effects of dream-sharing are testable.