Kitap 4
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ALCMAEON believes that the principal part of the soul, residing in the brain, draws to itself odors by respiration. Empedocles, that scents insert themselves into the breathing of the lungs; for, when there is a great difficulty in breathing, odors are not perceived by reason of the sharpness; and this we experience in those who have the defluxion of rheum.
Chapter XVIII. OF TASTE.
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ALCMAEON says that a moist warmth in the tongue, joined with the softness of it, gives the difference of taste. Diogenes, that by the softness and sponginess of the tongue, and because the veins of the body are joined in it, tastes are diffused by the tongue; for they are attracted from it to that sense and to the commanding part of the soul, as from a sponge.
Chapter XIX. OF THE VOICE.