Extensive research in neurophysiology and neuropsychology has revealed that the left and right hemispheres experience the world in significantly different ways. Iain McGilchrist (in The Master and his Emissary) argues that each hemisphere has different insights and priorities, and that there may be tension between their distinctive ‘takes’ on the world. The left hemisphere in many ways is dominant. According to Oliver Sacks “the entire history of neurology and neuropsychology can be seen as a history of the investigation of the left hemisphere.” It can be argued that western epistemology is likewise predominantly epistemology of the left hemisphere. The difference in the way that the hemispheres experience the world, and process that experience, suggests some insights into a number of philosophical puzzles. In this paper I examine an old puzzle about time (and a few of its descendents) viewed through the lens of neuroepistemology and epistemogenesis.



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