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The Twofold Brain: Exploring Fundamental Questions about Brain Lateralization

The Twofold Brain: Exploring Fundamental Questions about Brain Lateralization

Hardcover

PhilosophyGeneral Psychology

ISBN10: 1032802502
ISBN13: 9781032802503
Publisher: Routledge
Published: Jul 23 2026
Pages: 110
Weight: 0.86
Height: 0.31 Width: 6.69 Depth: 9.61
Language: English

The Twofold Brain: Exploring Fundamental Questions about Brain Lateralization challenges the traditional view that brain asymmetry is exclusive to human brains, showing that it is instead widespread in animals.

This unique book deals with new and original ideas about asymmetry of the brain and its functions. It first demonstrates how asymmetry emerged early as a biological strategy long before language or culture evolved and was conserved because it worked. It also discusses how, from an evolutionary perspective, bilateral bodies create a fundamental problem of duplication - two sides mean redundant sensors, muscles, and neural circuits - but by biasing certain functions towards one side, organisms reduce conflict, speed up processing, and stabilize behaviour. This book then explores the role of interaction among asymmetric organisms in generating individual- or population-level asymmetries as evolutionarily stable strategies, showing that asymmetry thus appears to be a foundational aspect of all nervous systems. The authors' comprehensive approach to brain lateralization allows readers to understand it as an integral aspect of both large and small brains. Each chapter is crafted to answer specific questions, making this book accessible and engaging for both experts and general readers alike.

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Rogers, Lesley J.

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General Psychology