⚠Page shows significant foxing and brown staining throughout. There is a very faint, rectangular institutional stamp partially visible behind the main title text.

ELEMENTS

OF THE

REFERENCE LIBRARY? of the physiological Institute? This handwritten or stamped addition indicates that this specific copy was once part of a research department's working collection.

PSYCHOPHYSICS

PsychophysicsA term coined by Fechner for the exact science of the functional relations between the body and the soul, or more specifically, the relationship between physical stimuli and mental sensations.

GUSTAV THEODOR FECHNER.

Fechner (1801–1887) was a German philosopher, physicist, and experimental psychologist. This work is considered the founding text of modern experimental psychology.

FIRST PART.

LEIPZIG,

PRINTED AND PUBLISHED BY BREITKOPF AND HÄRTEL.

Breitkopf & Härtel is one of the world's oldest music publishing houses, which also produced significant scientific and philosophical texts during the 19th century.

1860.