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Synergetics may be considered as an interdisciplinary effort
dealing with the gene ral problem of how science can cope with
complex systems. The preceding symposia on synergetics were devoted
to systems of physics, chemistry and partly also biolo gy and
sociology. It was possible to develop adequate concepts to describe
and even to calculate evolving macroscopic spatial, temporal, and
functional structures which emerge through self-organization of the
individual parts of the systems under con sideration. This book
contains the invited papers presented at the Symposium on the
Synerge tics of the brain, Schloss Elmau, Bavaria, May 2 to 7,
1983. The inclusion of this topic in the synergetics enterprise
represents a big step towards a treatment of complex systems. Most
probably the human brain is the most complex system we know of. As
the organizers believe, this symposium provides the reader with a
good cross section of experimental results and theoretical
approaches to cope with the complex problems of structure and
function of the brain. It was generally felt that such a joint
meeting between experimentalists and theoreticians is of great
importance for future development of this field. Modern
experimental methods, e. g. multielectrode derivations allow or
will allow us, in short, to collect huge amounts of data. Simi
larly high-speed computers will flood us with an enormous number of
outputs once the basic model equations have been chosen."
Sensorimotor systems are not rigidly wired predetermined networks
but rather highly plastic structures that learn and modify their
entire performance in response to changes in external or internal
conditions. Lesions or distortions of the system's input, which
initially cause a functional disorganization, induce an active
reorganization which often leads to a recovery of function.
Examples of lesion-induced neural plasticity have been known for
some hundred years; however, an awareness of their value as
research tools is relatively new. This current interest is a
consequence of rapid ly changing ideas concerning the nature of CNS
organization. Out of these, concepts are emerging which describe
neural nets as modifiable, highly dynamic, self-organizing
structures. This trend is clearly reflected in this volume, which
contains the proceedings of a symposium held in Bremen in July 1980
as a satellite meeting of the XXVIIIth International Congress of
Physiological Sciences. The first part of this conference was
devoted to some gen eral aspects of plasticity, discussing the
current theories of functional recovery as well as morphological,
neurochemical, physiological, molecular, and ontogenetic aspects.
The second part dealt with lesion induced plasticity in specific
sensorimotor systems of the spinal cord, brain stem, and cerebral
cortex."
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