Humans have lived as tribal hunter-gatherers for over 94% of their existence, focusing on meeting calorie needs for their large bodies and brains. The human brain evolved primarily to address survival demands and is not designed for self-understanding or complex thinking. Ancient humans perceived objects in a direct manner, believing them to exist as they were observed, with little recognition of the perceptual processing involved. This direct realism shaped their interactions with the environment, emphasizing immediate survival over reflective thought.
For over 94% of human existence, our ancestors lived as tribal hunter-gatherers, focusing on obtaining calories to sustain their large bodies and brains, consuming 20% of daily calories.
The brain evolved to address survival needs rather than to comprehend itself. It is primarily designed for immediate priorities like seeking food, rather than complex cognition.
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