. Design for a brain; the origin of adaptive behavior. Calculators; Central nervous system -- Mathematical models; Behavior; Brain -- physiology. Contents CHAPTER PAGE Preface v Preface to the Second Edition vii 1 The Problem 1 Behaviour, reflex and learned. Relation of part to part. Genetic control. Restrictions on the concepts. Conscious- ness. The problem. 2 Dynamic Systems 13 Variable and system. The operational method. Phase- space and field. The natural system. Strategy for the com- plex system. 3 The Organism as Machine 30 The specification of behaviour. Organism and environment. Essent
. Design for a brain; the origin of adaptive behavior. Calculators; Central nervous system -- Mathematical models; Behavior; Brain -- physiology. Contents CHAPTER PAGE Preface v Preface to the Second Edition vii 1 The Problem 1 Behaviour, reflex and learned. Relation of part to part. Genetic control. Restrictions on the concepts. Conscious- ness. The problem. 2 Dynamic Systems 13 Variable and system. The operational method. Phase- space and field. The natural system. Strategy for the com- plex system. 3 The Organism as Machine 30 The specification of behaviour. Organism and environment. Essential variables. 4 Stability 44 Diagram of immediate effects. Feedback. Goal-seeking. Stability and the whole. 5 Adaptation as Stability 58 Homeostasis. Generalised homeostasis. Survival. Stability and co-ordination. 6 Parameters 71 Parameter and field. Stimuli. Joining systems. Para- meter and stability. Equilibria of part and whole. 7 The Ultrastable System 80 The implications of adaptation. The implications of double feedback. Step-functions. Systems containing step- mechanisms. The ultrastable system. 8 The Homeostat 100 The Homeostat as adapter. Training. Some apparent faults. 9 Ultrastability in the Organism 122 Step-mechanisms in the organism. A molecular basis for memory ? Are step-mechanisms necessary ? Levels of feed- back. Control of aim. Gene-pattern and ultrastability. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ashby, William Ross. New York, Wiley
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