London: Sydenham, 1851. First. hardcover. Translated and Edited by Thomas Laycock. xii, xvi, 463pp. Thick 8vo, original gilt and blind-stamped green cloth (spine repaired, cloth lightly soiled). London: Sydenham Society, 1851. First Edition in English. very good.
"Unzer was probably the first to employ the work `reflex' in connection with sensory-motor reactions" GM 1357. "Prochaska introduced the idea of a `sensorium commune' in the central nervous system, a consistent and comprehensive theory of reflex action." GM 1386.