 In response to experimental data, Müller constructed the “law of specific sense energies” [Sinnesenergien]. Müller argued that each nerve is configured to receive a specific range of signals, as a radio is tuned to receive sound on a certain wavelength (of course, Müller did not use this analogy). Müller called the configuration a “specific sense energy.” Müller explained stereoscopic vision by arguing that each retina is able to perceive itself, that is, to perceive a priori the manifold, or grid, of points that can be projected onto the retina. Müller hypothesized that there was an organic correlation between the left and the right retinas of the eye (Müller 1837–1840, 2: 351–385, see also Turner 1993, 159–160). Each point on the left retina is indexed to one and only one point on the right retina. Müller argues that for each point seen in stereoscopic vision, the two signals from the corresponding points on the two retinas are projected onto a single point. 