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There is a tradition of theoretical brain science which started in the forties (Wiener, McCulloch, Turing, Craik, Hebb). This was continued by a small number of people without interruption up to the present. It has definitely provided main guiding lines for brain science, the devel opment of which has been spectacular in the last decades. However, within the bulk of experimental neuroscience, the theoreticians some times had a difficult stand, since it was felt that the times were not ripe yet and the methods not yet available for a development of a true theoretical speciality in this field. Thus theory remained in the hands of a fairly small club which recruited its members from theoretical physicists, mathematicians and some experimentalists with amateurish theoretical leanings. The boom of approaches which go by the name of 'computational neuroscience', 'neuronal networks', 'associative mem ory', 'spinglass theory', 'parallel processing' etc. should not blind one for the fact that the group of people professionally interested in real istic models of brain function up to the present date remains rather small and suffers from a lack of professional organization. It was against this background that we decided to organize a meet ing on Theoretical Brain Science. The meeting was held April 18 - 20, 1990 and took place at Schloss Ringberg, West-Germany, a facility sponsored by the Max-Planck-Society.
By means of quantitative analysis of the tissue components in the cortex of the mouse, this book presents an overall picture of the cortical network which is then related to various theories on cortical function. Centering around the idea of a diffuse network in a fairly homogeneous population of excitatory neurons, that of the pyramidal cells, it shows that the whole organisation in the cortical skeleton of pryramidal cells corresponds well with the idea of an associative memory and with the theory of cell assemblies. Provides the reader with information on quantitative neuroanatomy and also on the methods used, in particular those that vary from the norm.
Das Problem des Geistes im Geiste zergehen lassen Kein Zweifel, das Eigentliche am Menschen sieht von innen betrachtet ganz anders aus als von au en. Die subjektive Ansicht der geistigen Dinge ist so merkwurdig (und so einzigartig - ich bin ja nur einer und die anderen sind viele) - da man sie ganz zu Recht an den Anfang der Physik gestellt hat: Diese wird aufgebaut auf der Grundlage dessen, was wahrgenommen, "beobachtet" wird, also was ins Subjektive dringt. Und doch haftet dieser egozentrischen Anschauung etwas Unfaires an, das man in anderen Bereichen, in der Ethik, in der Wirtschaftslehre, in der Kosmologie, Hingst abgelehnt hat. Es ware schon, wenn, man sich selbst philosophisch keinen Sonderstatus einriillmen wollte, wenn man iihpr -uch selbst so reden konnte wie uber andere Leute auch. So konnten Mi verstandnisse und Beleidi- gungen vermieden werden. Die Psychologie hat sich von ihren idealistischen Ursprungen schon ein Stuck we it entfernt, hat aus der "Psyche" das "Verhalten" gemacht, fur jedermann auf die gleiche Weise objektivierbar, und versucht nicht nur dem Einzelnen unter den Menschen seine Einzigartigkeit abzuspre- chen, sondern weitgehend auch dem Menschen unter den Tieren, indem sie nachweist, da manches, was wir oft in schonen Worten vermenschlicht haben, dem entspricht, was man bei Tieren als "Territorialverhalten", als "Hackordnung", als "Fortpflan- zungstrieb" beobachten kann. l!nterwegs mag der Fortschritt in diest>r Richtung auf viele Leute absto end wirken.
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