INDEX 



Mechanical brain, 130, 179 



Memory, 119 



permanence of, 190 



Method, 15 



Metrazol, 127 



Microscope, compound, 3 



Micturition, 84 



Minnows, 113 



Morgan, C. Lloyd, 38, 42, 180 



Motor-car, and homeostasis, 62 



Motor co-ordination, see Co-ordina- 

 tion 



Motor end-plate, 127 



Mowrer, O. H., 106, 124 



Miiller, G. E., 194, 199 



Multistable system, 171, Chapters 

 16-18 

 necessity of, 182 



Natural selection, 123, 144, 197 



Natural system, 23 



Nervous system, assumptions, 9, 34, 

 190 



Neuron, 5 



number of, in Man, 8 



Neuronic circuit, 128 



Neutral equilibrium, 43 



Noise, 211 



Normal equilibrium, 146, 216, 238 



Null-function, 81, 227 

 and absolute system, 86 

 separates systems, 159, 173 



Number, 29 



Nyquist, H., 225 



Nyquist's test, 219 



Objectivity, 9 

 Observation, 15 

 Obstacle, 64, 69 

 Oesophageal fistula, 113 

 Order of time-scale, 82 

 Organisation, 7, 70, 110 

 Organism and environment, 35 

 Ovum, 122 



Pain, insensitivity to, 131 

 Paramecium, 



habituates, 152 



environment of, 180 

 Parameter, 72, Chapters 6 and 21 



alternation of, 134, 147 



and disturbance, 145 



and goal, 121 



compound, 32 



effective, 73, 153, 156 



generating step-function, 83 



reaction to, 101 



stabilisation by, 165 

 Parker, G., 140, 143, 156 

 Part-function, 80 



Part-function and dispersion, 166 



and independence, 247 



and stabilisation, 165 



examples, 162 



in environment, 180 



in multistable system, 171 

 Parts, relation to whole, 5, 211 

 Pattern of reaction, 33 

 Pattern-recognition, 168 

 Patterned zeros, 244 

 Pavlov, I. P., 16, 64, 71, 115, 167, 



192, 194 

 Pendulum, 15 



as absolute system, 25 



field of, 25 



is goal-seeking, 53 



parameters to, 72, 86 

 Perception, 11 

 Phase-space, 20, 203 



step-function in, 87 



part-function in, 164 

 Pike, 113, 131 

 Pitts, W., 168, 170 

 Poison, 130, 132 

 Predictor, 154 

 Primary operation, 17, 203 



and field, 23 



and independence, 153, 157 



and line of behaviour, 19 



and stability, 49 

 Principle of Interference, 194 



of Ultrastability, 91 

 Problem, stated, 11, 70, 90 

 Processes, fast and slow, 177 

 Progression, in adaptation, 141 

 Protoplasm, 126 

 Protozoa, habituation in, 152 

 Psychological concepts, 9 

 Punishment, 112 



Random numbers, 96, 222 

 Reaction, in radio, 51 

 Receptor, control of aim, 120 



dispersion, 169 

 Reducible system, 247 

 Reflexes, 2 



co-ordination of, 196 



independence of, 137 

 Region of stability, 47 

 Regular system, 23, 204, 209 

 Rein, H., 33, 42 

 Representative point, 20 

 Response, to stimulus, 166 



to repeated stimuli, 147 

 Resting state, 48, 216 

 Reverberating circuits, 128 

 Reversal, reaction to, 98 

 Reward, 112 

 Riguet, J., 242, 254 

 Rigidity, 52 



258 



