In the Eye's Mind

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The book delves into the historical controversy surrounding human visual perception that began in 1860s Germany, focusing on the rivalry between physiologists Hermann von Helmholtz and Ewald Hering. It examines their conflicting theories regarding spatial perception, color sensation, and the interplay of mind and experience in vision. R. Steven Turner argues that such controversies are essential for scientific progress, using the Helmholtz-Hering dispute to illustrate how debate and negotiation influence the evolution of scientific theories.