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Apart from Change there is no reality. Images as data Nerves, afferent and efferent, cannot beget images, nor can the brain give rise to representations All our perception relative to action. Denial of this involves the fallacies of Idealism or of Realism Perception and knowledge Physiological data Zone of indetermination "Pure" perception Memory and Perception.
Fischer in a personal letter says: "You have two possibilities for the production of glaucoma with sinus disease: A toxic factor due to poisons being carried into the eye; and second, interference with a proper blood supply to the eye through compression of the efferent or afferent blood vessels supplying the eye from edema of the tissues about the eye consequent upon the sinus infection.
The second emphasizes the importance of the wave form of attention in all mental work, the superiority of efferent to afferent response as an educational process, and the acquirement of mastery by a transfer of control from higher to lower mental levels.
*Voluntary Action Pathways* differ in but one essential respect from those of reflex action. This is necessary in order that the mind may control the action. From all portions of the body surface, afferent pathways may be traced to the cerebrum; and from the cerebrum efferent pathways extend to all the voluntary organs.
"Why did God punish not only the guilty pair, but also the innocent unborn generations?" Master was more amused by my vehemence than my ignorance. "GENESIS is deeply symbolic, and cannot be grasped by a literal interpretation," he explained. "Its 'tree of life' is the human body. The spinal cord is like an upturned tree, with man's hair as its roots, and afferent and efferent nerves as branches.
At once this sensation is telegraphed over the afferent nerves to the nerve centers in the brain or spinal cord. In response to this call of distress the command comes back over the efferent nerve filaments: "Withdraw the fingers!" At the same time the impulse to withdraw the fingers is sent over the motor nerves to the muscles and ligaments which control the movements of the hand.
They are acted upon by external stimuli, while their impulses in turn act on the neurons in the spinal cord. This, the intermediate division, may be composed of mon-axonic neurons, or it may consist of branches from the afferent neurons. From the central nervous system to the muscles. This, the efferent division, is made up of mon-axonic neurons.
It was curious, he thought, that he should have forgotten his brother. And even more curious that the name in the paper had not brought him instantly to mind. Martin, the cripple. Martin, the boy with the radiation-shattered nervous system. The boy who had had to stay in a therapy chair all his life because his efferent nerves could not control his body. The boy who couldn't speak.
*Reflex Action in the Circulation of the Blood.*—On sudden exposure to cold, the small arteries going to the skin quickly diminish in size, check the flow of blood to the surface, and prevent too great a loss of heat. In this case, impulses starting at the surface of the body are transmitted to the bulb and then through the efferent neurons to the muscles in the walls of the arteries.
Conscious and unconscious imitation or repetition of every sort of copy may also help to establish the immediate and low-level connection between afferent and efferent processes that brings the organism into direct rapport and harmony with the whole world of sense.
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