What field did Gustav Fechner create?

Gustav Fechner is recognized as the founder of psychophysics, which is the branch of psychology that deals with the relationships between physical stimuli and the sensations and perceptions they produce. Through his pioneering work, Fechner sought to quantify the relationship between the intensity of stimuli and the intensity of the sensations experienced. This foundational contribution established the principles of measuring sensory experience and laid the groundwork for modern experimental psychology.

Fechner's key contributions include the formulation of Fechner's Law, which articulates how perceived intensity grows logarithmically as physical stimulus intensity increases. His work integrated aspects of physics and psychology, offering a scientific approach to understanding sensory experiences. By establishing the methodologies employed in psychophysics, Fechner created a systematic framework for exploring how we perceive the world around us through our senses.