Aug 13, 2025 03:19 AM
(This post was last modified: Aug 13, 2025 04:34 PM by C C.)
How evolution wired us to act against our own best interests.
https://thereader.mitpress.mit.edu/why-h...ccidental/
EXCERPTS: There is a deeper evolutionary logic that explains the countless manifestations of human irrationality. Insincerity, the narcissism of gurus, and obscurantism may aggravate it, but they don’t explain it. At the core is a paradoxical defect — an imperfection that helped us survive. Research shows that our brains process thoughts and decisions using two distinct, though interconnected, systems.
Put simply, the first system is old in evolutionary terms and governs quick, automatic responses — whether in routine or emergency situations — and is primarily connected to the amygdala, cerebellum, and basal ganglia. The second system, primarily connected to the prefrontal cortex, is a relatively recent evolutionary development. It governs our most deliberate actions, those that result from careful and slow evaluation of contextual information. We could call it the logical reasoning system, as it handles the careful analysis of concepts, generalizations, principles, and abstractions.
Neither system is necessarily more rational or emotional than the other. [...] In fact, neither has definitive control over the other, and the mutual interferences between intuitions and reflections are about as imperfect as it is possible to imagine for a self-proclaimed “sapiens” mammal... (MORE - details)
People disregard advice when making tough decisions
https://uwaterloo.ca/news/people-disrega...-decisions
PRESS RELEASE: An international study surveying people in a dozen countries found that when it comes to making complex decisions, people all over the world tend to reflect on their own, rather than seek advice.
Researchers from the University of Waterloo led the new study that surveyed more than 3,500 people from megacities to small Indigenous communities in the Amazon rainforest to learn how they make decisions. This work is the broadest test of decision-style preferences across cultures to date.
The researchers say that by understanding that even in interdependent societies most people prefer to go with the decision made by themselves, irrespective of what others say, can help clarify cross-cultural misunderstandings and realize that we all appear to be juggling similar internal debates.
“Realizing that most of us instinctively ‘go it alone’ helps explain why we often ignore good counsel, be it for health tips or financial planning, despite mounting evidence that such counsel may help us make wiser decisions,” said Dr. Igor Grossmann, professor in the Department of Psychology at Waterloo and first author on the paper. “This knowledge can help us design teamwork better by working with this self-reliant tendency and letting employees reason privately before sharing advice that they might reject.”
The study upends the belief that westerners work things out themselves while the rest of the world leans on others. In fact, intuition and self-reflection beat out advice from friends or crowdsourcing in all countries studied. The amount of that preference varied, depending on the level at which a culture values independence or interdependence.
“Our take-home message is that we all look inward first, yet the wisest moves may happen when solo reflections are shared with others,” Grossmann said. “What culture does is controls the volume knob, dialing up that inner voice in highly independent societies and softening it somewhat in more interdependent ones.”
Nearly 40 authors contributed to this work as part of the Geography of Philosophy Project, which is led by Dr. Edouard Machery, from the University of Pittsburgh.
The study, Decision-making preferences for intuition, deliberation, friends or crowds in independent and interdependent societies, appears in Proceedings of the Royal Society B Biological Sciences.
https://thereader.mitpress.mit.edu/why-h...ccidental/
EXCERPTS: There is a deeper evolutionary logic that explains the countless manifestations of human irrationality. Insincerity, the narcissism of gurus, and obscurantism may aggravate it, but they don’t explain it. At the core is a paradoxical defect — an imperfection that helped us survive. Research shows that our brains process thoughts and decisions using two distinct, though interconnected, systems.
Put simply, the first system is old in evolutionary terms and governs quick, automatic responses — whether in routine or emergency situations — and is primarily connected to the amygdala, cerebellum, and basal ganglia. The second system, primarily connected to the prefrontal cortex, is a relatively recent evolutionary development. It governs our most deliberate actions, those that result from careful and slow evaluation of contextual information. We could call it the logical reasoning system, as it handles the careful analysis of concepts, generalizations, principles, and abstractions.
Neither system is necessarily more rational or emotional than the other. [...] In fact, neither has definitive control over the other, and the mutual interferences between intuitions and reflections are about as imperfect as it is possible to imagine for a self-proclaimed “sapiens” mammal... (MORE - details)
People disregard advice when making tough decisions
https://uwaterloo.ca/news/people-disrega...-decisions
PRESS RELEASE: An international study surveying people in a dozen countries found that when it comes to making complex decisions, people all over the world tend to reflect on their own, rather than seek advice.
Researchers from the University of Waterloo led the new study that surveyed more than 3,500 people from megacities to small Indigenous communities in the Amazon rainforest to learn how they make decisions. This work is the broadest test of decision-style preferences across cultures to date.
The researchers say that by understanding that even in interdependent societies most people prefer to go with the decision made by themselves, irrespective of what others say, can help clarify cross-cultural misunderstandings and realize that we all appear to be juggling similar internal debates.
“Realizing that most of us instinctively ‘go it alone’ helps explain why we often ignore good counsel, be it for health tips or financial planning, despite mounting evidence that such counsel may help us make wiser decisions,” said Dr. Igor Grossmann, professor in the Department of Psychology at Waterloo and first author on the paper. “This knowledge can help us design teamwork better by working with this self-reliant tendency and letting employees reason privately before sharing advice that they might reject.”
The study upends the belief that westerners work things out themselves while the rest of the world leans on others. In fact, intuition and self-reflection beat out advice from friends or crowdsourcing in all countries studied. The amount of that preference varied, depending on the level at which a culture values independence or interdependence.
“Our take-home message is that we all look inward first, yet the wisest moves may happen when solo reflections are shared with others,” Grossmann said. “What culture does is controls the volume knob, dialing up that inner voice in highly independent societies and softening it somewhat in more interdependent ones.”
Nearly 40 authors contributed to this work as part of the Geography of Philosophy Project, which is led by Dr. Edouard Machery, from the University of Pittsburgh.
The study, Decision-making preferences for intuition, deliberation, friends or crowds in independent and interdependent societies, appears in Proceedings of the Royal Society B Biological Sciences.