INDEX 



Critical state and goal, 120 



distribution of, 92 



necessity of, 112 



of endrome, 128 

 Critical surface, 234 



and essential variables, 130 

 Crystallisation, 143 

 Cube, equilibrium of, 45 

 Culler, E., 75, 79, 115, 123, 186, 189 

 Curare, 75 

 Cybernetics, 154 

 Cycle, stable, 48 

 Cycling, 10, 35 



DAMS, 171 



Delay, between trials, 132 



in canonical equations, 213 

 Delicacy, of neuron, 126 

 Demonstrability, 9, 11 

 Dependence, 155 



Derivatives as variables, 162, 212 

 Determinateness, 10, 111 

 Diabetes, 75 



Diagram of immediate effects, 50, 157 

 Diagram of ultimate effects, 158, 160 

 Dial-readings, 14, 29 

 Differential equations, 206 

 Differential matrix, 245 

 Digits, terminal, 142 

 Dirac's 8-function, 233 

 Discontinuity, in environment, 131 

 Discrimination, 167 

 Dispersion, 166, Chapter 15 



and ultrastability, 176 



in multistable system, 172 



in sense organs, 169 



of new learning, 194 

 Displacement, 145 

 Disturbance, 239, Chapter 13 

 Dominance, 158, 185, 246 

 Ducklings, 38 

 Duncan, C. P., 187, 189 

 Dynamic systems, Chapters 2 and 19 



Eddington, A. S., 15, 28 

 Effect, 49, 241 

 Effector, 120 

 Elastic, 81, 232 

 Endrome, 128 



Energy, 5, 43, 154, 164, 215 

 Engine driver, 6 

 Environment, 35 



and homeostasis, 60 



discontinuous, 131 



functional criterion, 118 



iterated, 139 



nature of, 179 



number of variables, 136 



scale of difficulty, 132 



types of, 183 



Epistemology, 211 

 Equation, canonical, 206 



characteristic, 217 

 Equilibrium, 43 

 Error, control by, 54 



correction of, 54 

 Essential variable, 41 



and adaptation, 64 



and critical surfaces, 122, 130 



and normal equilibrium, 146 



and Stentor, 105 

 Evolution, 8, 196 

 Experience, 119 

 Experiment, structure of, 31 

 Experimenter, during training, 113 

 Eyeball, 117 



Falcon, training of, 186 

 Fatigue, and habituation, 152 

 Feedback, 51 



and stability, 52 



demonstration of, 49 



in homeostat, 95 



in neuronic circuits, 128 



in physiology, 37 



in training, 114 



organism-environment, 36 

 Feeding, 113 

 Fencer, 67 

 Fibrils, neuro-, 126 

 Field, 22 



destroyed, 145 



multiple, 88, 235 



of absolute system, 26 



of regular system, 210 



parameter-change, 74 



part-functions, 163 



stability of, 84 

 Finite continuous group, 205 

 Fire, 3 



Fisher, R. A., 96, 102, 222 

 Fit, 187 



Fixing a variable, 55, 220 

 Fracture, 131 

 Frazer, R. A., 225 

 Freezing of spinal cord, 160 

 Full-function, 80 



if ignored, 86 

 Function-rules, 8, 122 

 Fuse, as step-function, 81 



critical state, 84 



Gene-pattern, 8, 122, 197 



Gestalt-recognition, 168 



Gestalt school, 137 



Girden, E., 75, 79 



Glucose in blood, and diabetes, 75 



homeostasis of, 58 

 Goal-seeking, 53 



control of aim, 120 



256 



