Date of Birth: 08/31/1821
Place of birth: Potsdam
For the first time has done a measurement speed of conduction of excitation along the nerve fibers. The psychology of perception developed the concept of "unconscious inferences", according to which the current is determined by the perception of the individual`s existing "usual methods", which is maintained by the constancy of the visible world, and in which the essential role played by muscular sensations and movements. He described on the basis of the mechanisms of space perception concept. He developed the "triple" the theory of color vision T. Young. He developed a "resonance" theory of hearing. The staff and students of the Helmholtz were Wundt and IM Section.