i'm not following your line of thought here.
the "lower body" has perceptive ability.
the senses provide information in the form observations.
whatever "meaning" is determined from those observations
is a product of the mind.
contrasts may indeed be important for the mind to recognize
that our senses are actually functioning (if the entirety of
our visual information was "gray", it might be discounted as
meaningless and non-functional).
'the problem' you've described seems to be something created
by the mind. it doesn't have basis in fact. the mind which
busies itself with doubts and questions isn't prepared to
accept assurance and answers. there is a time for doubting
and questioning, but the purpose for that isn't to perpetuate
itself... it is to arrive (once again) at a place of
knowing.
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