-
Malsburg, C. von der: ¬The correlation theory of brain function (1981)
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- Abstract
- A summary of brain theory is given so far as it is contained within the framework of Localization Theory. Difficulties of this "conventional theory" are traced back to a specific deficiency: there is no way to express relations between active cells (as for instance their representing parts of the same object). A new theory is proposed to cure this deficiency. It introduces a new kind of dynamical control, termed synaptic modulation, according to which synapses switch between a conducting and a non- conducting state. The dynamics of this variable is controlled on a fast time scale by correlations in the temporal fine structure of cellular signals. Furthermore, conventional synaptic plasticity is replaced by a refined version. Synaptic modulation and plasticity form the basis for short-term and long-term memory, respectively. Signal correlations, shaped by the variable network, express structure and relationships within objects. In particular, the figure-ground problem may be solved in this way. Synaptic modulation introduces exibility into cerebral networks which is necessary to solve the invariance problem. Since momentarily useless connections are deactivated, interference between di erent memory traces can be reduced, and memory capacity increased, in comparison with conventional associative memory
- Source
- http%3A%2F%2Fcogprints.org%2F1380%2F1%2FvdM_correlation.pdf&usg=AOvVaw0g7DvZbQPb2U7dYb49b9v_
-
Purcell, R.: User orientation for the Electronic Encyclopedia (1989)
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- Abstract
- The CD-ROM data base, Grolier's Electronic Encyclopedia is designed to suit 2 types of user: library patrons (end users); and reference librarians. The 2 user modes are described briefly. Experience with the product at the School of Library and Information Science, Indiana University at Bloomington, is described.
- Object
- Grolier encyclopedia
-
Bernier, C.L.: Subject indexes (1980)
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- Source
- Encyclopedia of library and information science. Vol.29
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Webreck, S.J.: Information behaviour in organizations (1986)
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- Encyclopedia of library and information science. Vol.41, [=Suppl.6]
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Bernier, C.L.: Syndetic systems (1980)
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- Source
- Encyclopedia of library and information science. Vol.29
-
Jackson, S.L.: Dziatzko, Karl (1984)
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- Encyclopedia of library and information science. Vol.37, [=Suppl.2]
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Foskett, D.J.: Thesaurus (1980)
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- Encyclopedia of library and information science. Vol.30
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Jackson, S.L.: Drtina, Jaroslav (1984)
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- Encyclopedia of library and information science. Vol.37, [=Suppl.2]
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Weaver, C.G.: Electronic document delivery (1986)
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- Encyclopedia of library and information science. Vol.40, [=Suppl.5]
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Harter, S.: On-line encyclopedias (1985)
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- Encyclopedia of library and information science. Vol.38, [=Suppl.3]
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Kremer-Marietti, A.: Thematic analysis (1986)
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- Encyclopedia of library and information science. Vol.41, [=Suppl.6]
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Rorvig, M.E.: ¬The bibliographic control of microcomputer software (1988)
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- Encyclopedia of library and information science. Vol.43, [=Suppl.8]
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Trauth, E.M.: Information resource management (1988)
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- Encyclopedia of library and information science. Vol.43, [=Suppl.8]
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Avram, H.D.: Machine-readable cataloging (MARC) (1988)
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- Encyclopedia of library and information science. Vol.43, [=Suppl.8]
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Bouazza, A.: Information user studies (1989)
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- Encyclopedia of library and information science. Vol.44, [=Suppl.9]
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Sable, M.H.: Reference books and alternative sources : a comparative analysis (1989)
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- Encyclopedia of library and information science. Vol.44, [=Suppl.9]
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Scibor, E.; Jabrzemska, E.: Thesaurus of common topics (1989)
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- Encyclopedia of library and information science. Vol.44, [=Suppl.9]
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Thompson, L.S.: Ebert, Friedrich Adolf (1983)
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- Encyclopedia of library and information science. Vol.36, [=Suppl.1]
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Anderson, D.: Universal Bibliographic Control (1984)
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Kurtz, L.A.: Data base management systems : an introduction (1985)
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- Encyclopedia of library and information science. Vol.39, [=Suppl.4]
