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Gerhard Roth
Effects of Self-Organization and Principles of Information Processing in the Brain
The human brain is extraordinarily complex, especially regarding its internal wiring structure, which comprizes about 5 × 1014 contact points (synapses); but large brains of other animals (whales, elephant) come close to that value. The development of vertebrate brains is based on (1) direct genetic control, (2) self-organizing, epigenetic processes, (3) early ontogenetic “imprinting” experience, and (4) later experience through interaction with the environment; in humans, (2) and (3) are the dominant factors. In contrast to present computers, neural information processing is largely based on chemical processes; it is characterized by parallel-convergent-divergent and massively recurrent networks. Vertebrate brains are self-evaluating and self-steering systems; this function is exerted by the limbic system. The extreme degree of internal connectivity is the basis of high self-referentiality, which in turn leads to the formation of internal representations and consciousness. According to present knowledge all mentioned brain functions are based on physical-chemical-physiological factors and processes; therefore, it should — at least in principle — be possible to build computers that by means of organizational principles of the vertebrate brain possess such functions including self-evaluation, self-steering, and consciousness.
it – Information Technology (vormals it+ti), Oldenbourg Wissenschaftsverlag
Print ISSN: 1611-2776
Volume: 47, 04/2005
Pages: 182 - 187