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Evolution of the Parietal Lobe in the Formation of an Enhanced “Sense of Self”

The Neuropsychological Foundations of Socialization, Prosocial Behaviors, and Religion

In: Journal of Cognition and Culture
Authors:
Daniel Cohen Assistant Professor of Religious Studies, Department of Classics, Archeology, and Religion, University of Missouri Columbia, MO USA

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https://orcid.org/0000-0002-2449-2607
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Brick Johnstone Shepherd Center Atlanta, GA USA

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Abstract

Recent neuropaleontological research suggests that the parietal lobe has increased in size as much as the frontal lobes in Homo Sapiens over the past 150,000 years, but has not provided a neuropsychological explanation for the evolution of human socialization or the development of religion. Drawing from several areas of research, (i.e., neurodevelopment, neuropsychology, paleoneurology, cognitive science, archeology, and anthropology), we argue that parietal evolution in Homo sapiens integrated sensations and mental processes into a more integrated subjective “sense of self”. This enhanced self advanced prosocial traits (e.g., increased empathy, greater social bonding, enhanced theory of mind capacities), promoting more effective socialization skills (e.g., parenting, group cooperation). Conversely, when this enhanced sense of self became inhibited, powerful experiences of self-transcendence occurred. We believe these potent selfless experiences became increasingly sought after though ritual means (e.g., music, dance, vision quests, spirit travel), providing the foundations for the development of shamanism and religion.

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