]20 MATHEMATICAL BIOPHYSICS OF THE CENTRAL NERVOUS SYSTEM 



Discriminal sequence, 64, 74 

 Discriminal sequences, 56 

 Discriminal stimulus sequences, 21 

 Discriminating mechanism, 91 

 Discrimination 



absolute, 66, 72 



intensity, 69, 70 



of colors, 72, 91 



of lengths, 69, 71 



of lifted weights, 73 



of weights, 71 



psychophysical, 56 



relative, 66, 72 

 Disjunction, 105 



neural, 95 

 Disparate point, 98 

 Disparities 



horizontal, 100, 101 



vertical, 100 

 Disparity, 98 

 Distance-cue, 96, 97 

 Distance, interocular, 101 

 Distinct response, 68 

 "Doubtful" judgments, 59, 60 

 Douglas, A. C, 82, 94 

 Duration 



of reaction, 41 



of response, 41, 42 

 Dynamics, 22 



intra-neuronal, 3 



neuronal, viii 



of simple circuits, 22 



of single synapse, 37, 48 



trans-synaptic, 1 



Effective stimulus, 5 



Effector, vii, 7, 13, 78, 90 



Effectors, 1 



Effects, modulating, 22 



Endfeet, 104 



"Equality", judgment of, 59, 61 



Equilibria, fluctuating, 35 



Equilibrium, 27, 28 



fluctuating, 29 



stable, 23, 26, 35 



unstable, 24, 35 

 Errors, number of, 85, 88 

 Excitation, 2, 9, 21, 81 



crossing, 65, 78 



functions, higher order, 8 

 Excitatory connections, 105 

 Excitatory factor, 83 

 Excitatory neuron, 17, 19, 28 

 Excitatory neurons, 15, 57 

 Excitatory state, 2, 4 

 Existential net, 110 

 Existential sentence, 110 

 Expression, temporal propositional, 

 107 



realizable, 107 

 Eye movement, 71 



Facilitation, 110 

 Factor, excitatory, 83 



Factor analysis, 75 

 Ferry-Porter law, 45 

 Final common path, 80 

 Final pathways, 90 

 Firing of afferent neurons, 104 

 Firing of neuron, 109 

 Flicker-frequency, critical, 45, 46 

 Fluctuating equilibrium, 29 

 Fluctuations in response, 22 

 Fluctuations of threshold, 53, 57 

 Frequency, critical, 44, 46 

 Frequency of response, 49, 50 

 Frontal planes, 100 

 Fusion, 99 



anomalus, 99 



of images, 98 

 Function, temporal propositional, 107 



General neural net, 30 



Gestalt-phenomena, 21 



Golgi preparation, 30 



Graham, C. H., 3 



Grant, V. W., 97 



"Greater", judgments of, 61 



"Greater than" judgments, 59, 61 



Group of stimuli, 86 



Guilford, J. P., 75 



Gulliksen, H., 84, 85 



Gustatory stimuli, 40 



Gyemant, R., 53 



Hartline, H. K., 3 

 Hecht, S., 43 



Helmholtz, H. von, 90, 91, 99 

 Higher order excitation-functions, 8 

 Holway, A. H., 73 

 Horizontal disparities, 100, 101 

 Horopter, 99 

 Horopter rotation, 100 

 Householder, A. S., 8, 22, 26, 66, 70, 

 75, 96, 97, 100, 101, 115 



Idealized model, vii 

 Image 



cortical, 97 



retinal, 96, 97 

 Images, fusion of, 98 

 Impulse, nervous, vii, 2, 31 

 Impulses, 13 



statistical effects of, 111 



statistically independent, 112 

 Inaccessibility of centers, 12 

 Inaccessible, 10, 11, 31, 33 

 Inadequate stimulus, 81 

 Incompatible responses, 16, 74 

 Inhibiting effect, 5 

 Inhibition, 4, 104 



complete, 104 



crossing, 65, 74, 76, 78 



partial, 104 



relative, 110 



total, 110 

 Inhibitory neurons, 10, 11, 15, 17, 19, 

 28, 57, 67, 81, 87 



