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Evidence for an emotional adaptive function of dreams: a cross-cultural study

التفاصيل البيبلوغرافية
العنوان: Evidence for an emotional adaptive function of dreams: a cross-cultural study
المؤلفون: David R. Samson, Alice Clerget, Noor Abbas, Jeffrey Senese, Mallika S. Sarma, Sheina Lew-Levy, Ibrahim A. Mabulla, Audax Z. P. Mabulla, Valchy Miegakanda, Francesca Borghese, Pauline Henckaerts, Sophie Schwartz, Virginie Sterpenich, Lee T. Gettler, Adam Boyette, Alyssa N. Crittenden, Lampros Perogamvros
المصدر: Scientific Reports, Vol 13, Iss 1, Pp 1-13 (2023)
بيانات النشر: Nature Portfolio, 2023.
سنة النشر: 2023
المجموعة: LCC:Medicine
LCC:Science
مصطلحات موضوعية: Medicine, Science
الوصف: Abstract The function of dreams is a longstanding scientific research question. Simulation theories of dream function, which are based on the premise that dreams represent evolutionary past selective pressures and fitness improvement through modified states of consciousness, have yet to be tested in cross-cultural populations that include small-scale forager societies. Here, we analyze dream content with cross-cultural comparisons between the BaYaka (Rep. of Congo) and Hadza (Tanzania) foraging groups and Global North populations, to test the hypothesis that dreams in forager groups serve a more effective emotion regulation function due to their strong social norms and high interpersonal support. Using a linear mixed effects model we analyzed 896 dreams from 234 individuals across these populations, recorded using dream diaries. Dream texts were processed into four psychosocial constructs using the Linguistic Inquiry and Word Count (LIWC-22) dictionary. The BaYaka displayed greater community-oriented dream content. Both the BaYaka and Hadza exhibited heightened threat dream content, while, at the same time, the Hadza demonstrated low negative emotions in their dreams. The Global North Nightmare Disorder group had increased negative emotion content, and the Canadian student sample during the COVID-19 pandemic displayed the highest anxiety dream content. In conclusion, this study supports the notion that dreams in non-clinical populations can effectively regulate emotions by linking potential threats with non-fearful contexts, reducing anxiety and negative emotions through emotional release or catharsis. Overall, this work contributes to our understanding of the evolutionary significance of this altered state of consciousness.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 2045-2322
Relation: https://doaj.org/toc/2045-2322
DOI: 10.1038/s41598-023-43319-z
URL الوصول: https://doaj.org/article/af2dfa8a64bf4c82b96a94d5ea3f7a59
رقم الأكسشن: edsdoj.f2dfa8a64bf4c82b96a94d5ea3f7a59
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:20452322
DOI:10.1038/s41598-023-43319-z