122 MATHEMATICAL BIOPHYSICS OF THE CENTRAL NERVOUS SYSTEM 



single, 11, 31, 38 



transiently exciting, 6 



transiently inhibiting, 6 

 Neuronal dynamics, viii 

 Neurons, vii, 1, 7, 13, 37, 62, 83, 103, 

 112 



chain of, 8, 9, 11, 12, 31 



chain of two, 38, 41, 46 



chains of, 7, 22 



excitatory, 15, 57 



inhibitory, 10, 11, 15, 57, 67, 81, 

 87 



interconnecting, 105 



intermediate, 12 



internuncial, 108 



parallel, 13 



interconnected, 21 



several, 49 

 Nodal points, 97, 101 

 Node of Ranvier, 53 

 Non-cyclic net, 107,109 

 Non-neural events, 7 

 Number of errors, 85, 88 

 Number of possible choices, 86 

 Number of trials, 85, 88 



Ogle, K. N., 99, 100, 102 



O'Leary, J. L., 22 



One-dimensional array of synapses, 90 



Order of net, 109 



Origin, 2, 3, 22, 33, 35 



Organism, 1, 13, 103 



response of, 30 

 Overlearning, 89 



Parallel neurons, 13 



interconnected, 21 

 Parameters, 17 



activity, 17, 19 

 Partial inhibition, 104 

 Path, final common, 80 

 Pathways 



final, 90 



segregation of neural, 90 

 Pecher, C, 53, 54 

 Peddie, W., 90 



Perceived size, constancy of, 97 

 Perception 



color, 21 



of space, 94, 95 

 Perceptions, 13, 14 



interaction of, 14 



interdependence of, 13 

 Perceptual space, 95 

 Period of latent addition, 111, 113 

 Permanent activity, 22, 29 

 Physiological stimulation, 2 

 Physiology, vii 

 Pieron, H., 40 

 Pitts, W., viii, 2, 9, 31, 33, 35, 36, 103, 



104, 107, 108, 109, 111, 115 

 Pleasant response, 83 

 Plurality of Connections, law of, 30 

 Possible choices, number of, 86 



Presentation, mode of, 62 



Primary receptor, 92 



Probability of correct response, 58, 59, 

 89 



Probability of wrong response, 58, 84 



Probability-relation, 113 



Prompting, 88 



Proposition, 105 



Propositions, universal existential, 109 



Psychological scale, 75, 76 



Psychophysical analysis, multidimen- 

 sional, 74, 76 



Psychophysical discrimination, 56 



Punishment, 84 

 strength of, 88 



Ranvier, node of, 53 



Rashevsky, vii, ix, 3, 4, 15, 16, 18, 19, 



21, 26, 79, 81, 111, 115 

 Rate of decay, 49 

 Reaction 



delay of, 39, 40 

 duration of, 41 

 Reaction-time, 38, 42, 43, 51, 52, 54 

 Reaction-times, variation in, 55 

 Recall-learning, 89 

 Receptor, 7, 13, 78, 90 



primary, 92 

 Receptors, 1 



cutaneous, 64 



retinal, 91 



stretch, 49 

 Reciprocity of Connections, law of, 30 

 Recognition-learning, 89 

 Recovery time, 43 

 Reflex, 39 



scratch, 26 

 Region, measure of, 20 

 Reisz, R. R., 69 

 Relative brightness, 48 

 Relative discrimination, 66, 72 

 Relative inhibition, 110 

 "Relative interval", 69 

 Relaxation, 1 



Replacement, rules of, 113 

 Response, vii, viii, 13, 16, 17, 37, 38, 

 41, 43, 51, 56, 57, 61, 66, 78, 

 80, 83 



correct 58, 61, 83, 87 



discriminal, 75 



distinct, 68 



duration of, 41, 42 



fluctuations in, 22 



frequency of, 49, 50 



of organism, 30 



pleasant, 83 



probability of, 58, 59 



probability of correct, 58, 59, 89 



probability of wrong, 58 



steady, 44 



unpleasant, 84, 86 



wrong, 58, 84, 87 

 Responses, incompatible, 16, 74 

 Response-time, 54, 55 



