It is the soul's kinship with the eternal and unchanging Forms, the objects of its knowledge, that is advanced as one of the preliminary arguments in that dialogue for immortality, In the use of bodily senses the soul touches change, so that the «world spins around her,» but when she returns into herself she enters into the other world, «the region of purity, and eternity, and immortality, and unchangeableness, which are her kindred...» (religion-online.org)
In the latter book Whitehead recognizes the danger that his earlier rise of «perception» can lead into confusion, and he acknowledges «that it may be advisable for philosophers to confine the word «perception»» to «experiential functions which arise directly from stimulation of the various bodily sense - organs» (AI 229). (religion-online.org)
Synesthesia (also spelled synæsthesia or synaesthesia, plural synesthesiae) is a neurological condition in which two or more bodily senses are coupled. (sciencedaily.com)