{"id":71152,"date":"2023-12-21T00:50:51","date_gmt":"2023-12-21T05:50:51","guid":{"rendered":"https:\/\/world.edu\/?p=71152"},"modified":"2023-12-21T00:50:51","modified_gmt":"2023-12-21T05:50:51","slug":"dreaming-may-have-evolved-as-a-strategy-for-co-operative-survival","status":"publish","type":"post","link":"https:\/\/world.edu\/dreaming-may-have-evolved-as-a-strategy-for-co-operative-survival\/","title":{"rendered":"Dreaming may have evolved as a strategy for co-operative survival"},"content":{"rendered":"

\"\"<\/p>\n

Have you ever woken from a dream, emotionally laden with anxiety, fear or a sense of unpreparedness? Typically,\u00a0these kinds of dreams<\/a>\u00a0are associated with content like losing one\u2019s voice, teeth falling out or being chased by a threatening being.<\/p>\n

But one question I\u2019ve always been interested in is whether or not these kinds of dreams are experienced globally across many cultures. And if some features of dreaming are universal, could they have enhanced the likelihood of our ancestors surviving the evolutionary game of life?<\/p>\n

My research focuses on\u00a0the distinctive characteristics that make humans the most successful species on Earth<\/a>. I\u2019ve explored the question of human uniqueness by comparing\u00a0Homo sapiens<\/em>\u00a0with various animals, including chimpanzees, gorillas, orangutans, lemurs, wolves and dogs. Recently, I\u2019ve been part of a team of collaborators that has focused our energies on working with small-scale societies known as hunter-gatherers.<\/p>\n

We wanted to explore how the content and emotional function of dreams might vary across different cultural contexts. By comparing dreams from forager communities in Africa to those from western societies, we wanted to understand how cultural and environmental factors shape the way people dream.<\/p>\n

Comparative dream research<\/h4>\n

As part of this research, published in\u00a0Nature Scientific Reports<\/em><\/a>, my colleagues and I worked closely for several months with the BaYaka in the Democratic Republic of Congo and the Hadza in Tanzania to record their dreams. For western dreamers, we recorded dream journals and detailed dream accounts, collected between 2014 and 2022, from people living in Switzerland, Belgium and Canada.<\/p>\n

The Hadza of Tanzania and the BaYaka of Congo fill a crucial, underexplored gap for dream research due to their distinct lifestyle. Their egalitarian culture,\u00a0emphasizing equality and co-operation<\/a>, is vital for survival, social cohesion and well-being. These forager communities rely heavily on supportive relationships and communal sharing of resources.<\/p>\n

Higher mortality rates due to disease, intergroup conflict, and challenging physical environments in these communities (without the kind of social safety nets common to post-industrial societies in the West) means they rely on face-to-face relationships for survival in a way that is a distinct feature of forager life.<\/p>\n

\"\"

The Hadza are an Indigenous community in Tanzania, and one of the last hunter-gatherer societies remaining. (Shutterstock)<\/p><\/div>\n

Dreaming across cultures<\/strong><\/h4>\n

While studying these dreams, we began to notice a common theme. We\u2019ve discovered that dreams play out much differently across different socio-cultural environments. We used a new software tool to map dream content that connects important psychosocial constructs and theories with words, phrases, and other linguistic constructions. That gave us an understanding about the kinds of dreams people were having. And we could model these statistically, to test scientific hypotheses as to the nature of dreams.<\/p>\n

The dreams of the BaYaka and Hadza were rich in community-oriented content, reflecting the strong social bonds inherent in their societies. This was in stark contrast to the themes prevalent in dreams from western societies, where negative emotions and anxiety were more common.<\/p>\n

Interestingly, while dreams from these forager communities often began with threats reflecting the real dangers they face daily, they frequently concluded with resolutions involving social support. This pattern suggests that dreams might play a crucial role in emotional regulation, transforming threats into manageable situations and reducing anxiety.<\/p>\n

Here is an example of a Hadza dream laden with emotionally threatening content:<\/p>\n

\u201cI dreamt I fell into a well that is near the Hukumako area by the Dtoga people. I was with two others and one of my friends helped me get out of the well.\u201d<\/p><\/blockquote>\n

Notice that the resolution to the dream challenges incorporated a social solution as an answer to the problem. Now contrast this to the nightmare disorder-diagnosed dreamers from Europe. They had scarier, open-ended narratives with less positive dream resolutions. Specifically, we found they had higher levels of dream content with negative emotions compared to the \u201cnormal\u201d controls. Conversely, the Hadza exhibited significantly fewer negative emotions in their dreams. These are the kind of nightmares reported:<\/p>\n

\u201cMy mom would call me on my phone and ask me to put it on speakerphone so my sister and cousin could hear. Crying she announced to us that my little brother was dead. I was screaming in sadness and crying in pain.\u201d<\/p>\n

\u201cI was with my boyfriend, our relationship was perfect and I felt completely fulfilled. Then he decided to abandon me, which awoke in me a deep feeling of despair and anguish.\u201d<\/p><\/blockquote>\n

The functional role of dreams<\/strong><\/h4>\n

Dreams are wonderfully varied. But what if one of the keys to humanity\u2019s success as a species rests in our dreams? What if something was happening in our dreams that improved the survival and reproductive efforts of our Paleolithic ancestors?<\/p>\n

A curious note from my comparative work, of all the primates alive,\u00a0humans sleep the least, but we have the most REM<\/a>. Why was REM \u2014 the state most often associated with dreams \u2014 so protected while evolution was whittling away our sleep? Perhaps something embedded in dreaming itself was prophylactic for our species?<\/p>\n

Our research supports previous notions that dreams are not just random firings of a sleeping brain but\u00a0may play a functional role in our emotional well-being and social cognition<\/a>. They reflect the challenges and values of our waking life, offering insights into how we process emotions and threats. In forager societies, dreams often conclude with resolutions involving social support, suggesting that dreams might serve as a psychological mechanism for reinforcing social bonds and community values.<\/p>\n

Why dream?<\/strong><\/h4>\n

The ultimate purpose of dreaming is still a subject of ongoing research and debate. Yet these themes seem to harbour within them universals that hint at some crucial survival function.<\/p>\n

Some theories suggest that dreaming\u00a0acts like a kind of virtual reality<\/a>\u00a0that serves to simulate threatening or social situations, helping individuals prepare for real-life challenges.<\/p>\n

If this is indeed the case, then it\u2019s possible that the dreams of our ancestors, who roamed the world in the distant Paleolithic era, played a crucial role in enhancing the co-operation that contributed to their survival.<\/p>\n

Author Bio:<\/strong> David Samson is Associate Professor, Anthropology, at the University of Toronto<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Have you ever woken from a dream, emotionally laden with anxiety, fear or a sense of unpreparedness? Typically,\u00a0these kinds of dreams\u00a0are associated with content like losing one\u2019s voice, teeth falling out or being chased by a threatening being. But one question I\u2019ve always been interested in is whether or not these kinds of dreams are […]\n… learn more→<\/a><\/p>","protected":false},"author":33,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[434764],"coauthors":[11733],"class_list":["post-71152","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-dreaming"],"acf":[],"yoast_head":"\nDreaming may have evolved as a strategy for co-operative survival - World leading higher education information and services<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/world.edu\/dreaming-may-have-evolved-as-a-strategy-for-co-operative-survival\/\" class=\"yoast-seo-meta-tag\" \/>\n<meta property=\"og:locale\" content=\"en_US\" class=\"yoast-seo-meta-tag\" \/>\n<meta property=\"og:type\" content=\"article\" class=\"yoast-seo-meta-tag\" \/>\n<meta property=\"og:title\" content=\"Dreaming may have evolved as a strategy for co-operative survival - World leading higher education information and services\" class=\"yoast-seo-meta-tag\" \/>\n<meta property=\"og:description\" content=\"Have you ever woken from a dream, emotionally laden with anxiety, fear or a sense of unpreparedness? 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