FECHNER VS. BRENTANO: THEIR UNPUBLISHED CORRESPONDENCE ON PSYCHOPHYSICS

  • Mauro Antonelli
  • Verena Zudini

Abstract

We present the first steps of our study of the correspondence on psychophysics between Fechner and the German philosopher and psychologist Franz Brentano (1838-1917), kept in Brentano’s Nachlass and as yet unpublished. The criticisms already put forward by Brentano to Fechner and his psychophysics in ‘Psychologie vom empirischen Standpunkt’ (1874) were discussed in the correspondence which the two scholars maintained from May 1874 to July 1874 (4 letters: 2 from Brentano to Fechner, and 2 from Fechner to Brentano) and again from October 1877, straight after the publication by Fechner of ‘In Sachen der Psychophysik’ (1877), to January 1878 (7 letters: 4 from Brentano to Fechner, and 3 from Fechner to Brentano).

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