Haptic memory This suggests that the patients have some memory for the properties of objects recently removed from their right hand that they are not consciously aware of, and that this memory is affecting their accuracy on subsequent tasks. Similar evidence has been found in healthy individuals of varying ages, and in patients with Alzheimer's disease. Haptic memory Haptic memory is the form of sensory memory specific to touch stimuli. Haptic memory is used regularly when assessing the necessary forces for gripping and interacting with familiar objects. It may also influence one's interactions with novel objects of an apparently similar size and
Analogy of the sun region in which truth and real being brightly shine, it understands and knows it and appears to have reason; but when it has nothing to rest on but that which is mingled with darkness—that which becomes and perishes, it opines, it grows dim-sighted, changing opinions up and down, and is like something without reason. ('The Republic, VI: 508d; trans. W. H. D. Rouse) The allusion to "...that which becomes and perishes..." relates to all of that which is perceived by the bodily senses. The bodily senses make it clear that all visible things are subject to change, which Socrates categorizes