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38
The
PLAIN 'ffiUTH
MENTAL ACTIVITY
Man's mental activity cannot be
explained by his physiologicaf
brain alone.
~
CAT
RAT
March-April 1972
MAN
NONEXISTENT very low level
of mental activity-"necessary"
if human mind must be l 00%
accounted for by human brain.
ACTUAL level of human
brain -
just slightly
superior to animal
brain - nowhere near
sufficient to account for
human mind by itself.