The sun., 1878-07-21

The Scientific Basis OF Deiusions-A study OF
False sight.


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o,hehool its.lr conr,in,, o,rsc,yes 10 hrief
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nal or rothcr ir,orcro,,iol holm, n ,,,u,,i,r -,
hroin ro, ~ IN. o,, INT sls1 ,bot i,,orrl
t.oin,, is Of two kinds cvolvcd op1 conditioned
Ly separate rortions of tho cerebral snnaratns
bnr is sensory. the other ideal: one nhoto-
graphs external objects without ren,cting upon
hem tho other receives the sensory impression
Lnd passos Judgment ON H. One is recognized
by the subjects OF il as subjective the other as
,h.ectiye; each influences the other. yet al
houSh one normally precedcs there Is possi-
rity Of a reversed order The reciprocal in
Hueuce Just mentioned is abundanty confirmed
~ observation. Vivid ideal pictures painted
5y strong emotion on the organic struc-
mrc Of the frontal lobos roact on the visual
rcntres and lcad to the formation there Of
visual presentations wholly independent Of
any exciting objective cause. Numerous in
stances might bee given in illustration Of this
physiological Interchange and reinforcement Of
ideal and sensory pictures. Perhaps the follow
Ing quoted from DR.. Carpenter is rs remarka-
be as any Il appears thnt in 81 Peters Church
NJ Cologne the altar piece is n large and valua-
Tie painting By Rubens. This having been
carried away 10y the French In 1895, an artist u
Nat city undertook to make a copy of it from
r election, and did il so woll that the most
lo-cate tlnts and lines Of the original are re-
rroduced with the most minute accuracy Tho
or rsnal picture has now been restored, but the
copy Is preserved along with it; and even when
Ihcy IRE risidly compared. il is scarcely possible
io distinguish the one from the other The
vo'0rrir of the feat is plain enough When the
Io.osne artist wished 10 recall the work Of Ru
lcAs. to which access was impossible his will
summoned the ideal counterpart that is the
,.ll groupings f his frontal lo!,es correspond-