INDEX 



123 



Retinal images, 96, 97 



Retinal receptors, 91 



Retinas, 97, 98 



Reward, strength of, 84, 86, 88 



Robertson, D. M., 70 



Rosette, 33, 36 



Rotation 



horopter, 100 



of subjective medial plane, 102 



visual field, 100 



Sacher, G., 26 



Saturation, 92 



Scale, psychological, 75, 76 



Scratch reflex, 26 



Segregation of neural pathways, 90 



Self-exciting circuits, 12 



Self-stimulating neuron, 22, 26 



Sensations 



auditory, 68, 69, 70 



disparate, 64 



spontaneous, 22 



tactile, 68, 69, 70 



visual, 69, 70 

 Sequence, discriminal, 64, 74 

 Sequences, discriminal, 56 

 Shape, 13 



visual illusions of, 13 

 Shaxby, J. H., 90 

 Simple circuits, 22 

 Simultaneous stimulation, 64 

 Simultaneous stimuli, 17 

 Size 



apparent, 96 



constancy of perceived, 97 

 Size-lens, 101,102 



cylindrical, 100, 102 



spherical, 101 

 Smith, J. E., 73 

 Space 



perception of, 94 



perceptual, 95 

 Spontaneous movements, 22 

 Spontaneous sensations, 22 

 Stable equilibrium, 23, 26, 35 

 Stanton, H. E., 97 

 Statistical effects of impulses. 111 

 Statistically independent impulses, 112 

 Steady response, 44 

 Steady-state, 11 



activity, 7, 67, 81 



of net, 36 

 Stereopsis, 94 



binocular, 97 

 Stimulation 



applied, 11 



intermittent, 45, 46 



near-threshold, 65 



physiological, 2 



simultaneous, 64 



total, 11 

 Stimuli, 13, 16, 78 



auditory, 40 



awareness of, 16 



conditioned, 83 



group of, 86 



gustatory, 40 



intensity of, 61 



simultaneous, 17 



strong, 16 



two competing for attention, 16 



unconditioned, 83 



visual, 39 

 Stimulus, viii, 5, 7, 10, 13, 22, 30, 31, 

 37, 38, 49, 56, 57, 66, 78, 83, 

 90 



applied, 9 



conditioned, 81 



constant, 42, 43, 49, 54 



discriminal sequences of — and re- 

 sponse, 21 



effective, 5 



inadequate, 81 



intensity of, 39, 40, 55, 84 



subliminal auditory, 65 



testing, 43 



total, 9 



unconditioned, 80, 81 



unpleasant, 83 



warning, 51, 52 

 Stimulus-density, 18 

 Stimulus-object, 75, 76, 77 



complex, 74 

 Strength of punishment, 88 

 Strength of reward, 84, 86, 88 

 Stretch receptors, 49 

 Strong stimuli, 16 

 Structure, 30, 50, 79, 81, 83 



symmetric, 64 

 Structures, viii, 37 



neural, vii, 7, 37 



of subjective space, 94 

 Subjective medial plane, rotation of, 



102 

 Sub-threshold, 14 

 Summation, 104 

 Symmetric structure, 64 

 Synapse, vii, 6, 31, 33, 35 



common, 49 



single, 



common, 33 

 dynamics of, 37, 49 

 Synapses, 91 



one-dimensional array of, 90 



three-dimensional array of, 91 

 Synaptic delay, 104 



Tactile data, 70 

 Tactile sensations, 68, 69, 70 

 Talbot law, 48 



Temporal propositional expression, 

 107 



realizable, 107 

 Temporal propositional function, 107 

 Terminus, 2, 3, 7, 18, 22, 33, 35, 67 



common, 13 

 Testing stimulus, 43 

 Theory, viii, ix 



