A significant portion of the work is dedicated to the anatomy and physiology of the primate visual system.
Howard explores how the brain translates raw light signals into meaningful geometric representations of space. Perceiving in Depth Volume 1 Basic Mechanisms
As the first entry in a three-volume series, it focuses exclusively on the sensory and physiological "building blocks" of depth perception, moving from historical discovery to the latest in neural plasticity. A significant portion of the work is dedicated
Howard details historical display systems like panoramas, peepshows, and the invention of the stereoscope, which first allowed humans to artificially simulate depth. and the invention of the stereoscope
The book outlines the precise behavioral and analytic procedures used to measure how subjects respond to visual stimuli, establishing the rigorous scientific standard for modern depth research. The Biological Machinery of Vision