Doubts concerning the inversion of objects on the retina / by Marmaduke Berdoe.

  • Marmaduke Berdoe
Date:
1772
Catalogue details

Licence: Public Domain Mark

Credit: Doubts concerning the inversion of objects on the retina / by Marmaduke Berdoe. Source: Wellcome Collection.

    30/98 (page 24)
    \ •' 0 the afltve principle of the foul. For as file conftantly oppofes this reprefentation of objedls on the optic nerves, the foul is only adlive in re foe 61 to the mutations fhe caufes in the pofition of the objedl, otherwife (lie enjoys no more than a paflive privilege, fince fhe mechanically oppofes the fituation in which the objedl is painted on the retina. To explain myfelf: If either the intelligent principle by which we form to ourfelves the juft idea of the fliape, color, and extension of external objedls, or if the foul judges conftantly by a fimple correction of the \ paintings of objedls only, does fhe do more than change their fituation, by oppofing and inverting the order of their pofition on the retina ? The perceptive and active powers of the foul, which conftitute the moft brilliant part of the Keplerian fyftem, are limitted to a very narrow* compafs. Without any prepofleflions in favor of a new fyftem, does that of Kepler produce any thing more in reality than the power of the foul oppofing the pofition of objedts on the i