. Design for a brain; the origin of adaptive behavior. Calculators; Central nervous system -- Mathematical models; Behavior; Brain -- physiology. - '-. >. Figure 5/13/1. the behaviour of one part with that of another part not in direct contact with it is simply an elementary property of the stable system. 5/14. Let us now re-state our problem in the new vocabulary. If, for brevity, we omit minor qualifications, we can state it thus: A determinate ' machine ' changes from a form that produces chaotic, unadapted behaviour to a form in which the parts are so co-ordinated that the whole is stab
. Design for a brain; the origin of adaptive behavior. Calculators; Central nervous system -- Mathematical models; Behavior; Brain -- physiology. - '-. >. Figure 5/13/1. the behaviour of one part with that of another part not in direct contact with it is simply an elementary property of the stable system. 5/14. Let us now re-state our problem in the new vocabulary. If, for brevity, we omit minor qualifications, we can state it thus: A determinate ' machine ' changes from a form that produces chaotic, unadapted behaviour to a form in which the parts are so co-ordinated that the whole is stable, acting to maintain its essential variables within certain limits—how can this happen ? For example, what sort of a thermostat could, if assembled at random, rearrange its own parts to get itself stable for temperature? It will be noticed that the new statement involves the concept of a machine changing its internal organisation. So far, nothing has been said of this important concept; so it will be treated in the next chapter. 70. 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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