Fechner Day 2025, Brazil

Fechner Day 2024, India

Fechner Day 2023, Italy

The International Society for Psychophysics, founded in 1984 in Cassis, France, supports the professional growth of its members through annual Fechner Day meetings, which cover advances in psychophysical methods and developments in the field.

All researchers in the field of psychophysics, perception, or those interested in psychophysical methods are welcome to attend Fechner Day conference and join International Society for Psychophysics.

For inquiries about the International Society for Psychophysics, please contact our society secretary. If you wish to register on our website or make contributions to it, please reach out to the Web administrator.

©2025 The International Society for Psychophysics | Design: Newspaperly WordPress Theme