. Design for a brain. Brain -- Physiology; Central nervous system -- Mathematical models; Neurophysiology. 13/8 DESIGN FOR A BRAIN state in A will be destroyed; but the first with resting state in B will be retained. The displacement will then stop causing step- function changes. So if we regard the application of the constant displacement as • stimulus', and the step-function and main- variable changes as ' response ', then we shall find that the response to the stimulus tends to diminish. 13/8. This particular process cannot be shown on the homeostat, for its resting state is always at the c
. Design for a brain. Brain -- Physiology; Central nervous system -- Mathematical models; Neurophysiology. 13/8 DESIGN FOR A BRAIN state in A will be destroyed; but the first with resting state in B will be retained. The displacement will then stop causing step- function changes. So if we regard the application of the constant displacement as • stimulus', and the step-function and main- variable changes as ' response ', then we shall find that the response to the stimulus tends to diminish. 13/8. This particular process cannot be shown on the homeostat, for its resting state is always at the centre, but it will demon- strate a related fact. If two fields (Figure 13/8/1) each have a B. Figure 13/8/1. resting state at the centre and the line of one (A) from a constant displacement returns by a long loop meeting critical states while the return path of the other (B) is more direct, then the applica- tion of the displacement will destroy A but not B. In other words, a set of step-function values which gives a large ampli- tude of main-variable movement after a constant displacement is more likely to be replaced than a set which gives only a small amplitude. The process is shown in Figure 13/8/2. Two units were joined 1 —> 2. The effect of 1 on 2 was determined by 2's uniselector, which changed position if 2 exceeded its critical states. The operator then repeatedly disturbed 2 by moving 1, at D. As often as the uniselector transmitted a large effect to 2, so often did 2 shift its uniselector. But as soon as the uniselector arrived at a position that gave a transmission insufficient to bring 2 to its critical states, that position was retained. So under constant stimulation by D the amplitude of 2's response tended to diminish. The same process in a more complex form is shown in Figure 148. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations ma
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Keywords: ., bookcentury1900, bookpublishernewyorkwiley, booksubjectneurophys
