Search (116 results, page 1 of 6)

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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_

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Footnote

Rez. in: Philosophisch-ethische Rezensionen vom 09.11.2019 (Jürgen Czogalla), Unter: https://philosophisch-ethische-rezensionen.de/rezension/Goedert1.html. In: B.I.T. online 23(2020) H.3, S.345-347 (W. Sühl-Strohmenger) [Unter: https%3A%2F%2Fwww.b-i-t-online.de%2Fheft%2F2020-03-rezensionen.pdf&usg=AOvVaw0iY3f_zNcvEjeZ6inHVnOK]. In: Open Password Nr. 805 vom 14.08.2020 (H.-C. Hobohm) [Unter: https://www.password-online.de/?mailpoet_router&endpoint=view_in_browser&action=view&data=WzE0MywiOGI3NjZkZmNkZjQ1IiwwLDAsMTMxLDFd].

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Source

Politische Meinung. 381(2001) Nr.1, S.65-74 [https%3A%2F%2Fwww.dgfe.de%2Ffileadmin%2FOrdnerRedakteure%2FSektionen%2FSek02_AEW%2FKWF%2FPublikationen_Reihe_1989-2003%2FBand_17%2FBd_17_1994_355-406_A.pdf&usg=AOvVaw2KcbRsHy5UQ9QRIUyuOLNi]

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Date

22. 7.2000 19:01:22

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Abstract

The new term Representation of knowledge, applied to the framework of electronic segments of information, with comprehension of new material support for information, and a review and total conceptualisation of the terminology which is being applied, entails a review of all traditional documentary practices. Therefore, a definition of the concept of Representation of knowledge is indispensable. The term representation has been used in westere cultural and intellectual tradition to refer to the diverse ways that a subject comprehends an object. Representation is a process which requires the structure of natural language and human memory whereby it is interwoven in a subject and in conscience. However, at the present time, the term Representation of knowledge is applied to the processing of electronic information, combined with the aim of emulating the human mind in such a way that one has endeavoured to transfer, with great difficulty, the complex structurality of the conceptual representation of human knowledge to new digital information technologies. Thus, nowadays, representation of knowledge has taken an diverse meanings and it has focussed, for the moment, an certain structures and conceptual hierarchies which carry and transfer information, and has initially been based an the current representation of knowledge using artificial intelligence. The traditional languages of documentation, also referred to as languages of representation, offer a structured representation of conceptual fields, symbols and terms of natural and notational language, and they are the pillars for the necessary correspondence between the object or text and its representation. These correspondences, connections and symbolisations will be established within the electronic framework by means of different models and of the "goal" domain, which will give rise to organisations, structures, maps, networks and levels, as new electronic documents are not compact units but segments of information. Thus, the new representation of knowledge refers to data, images, figures and symbolised, treated, processed and structured ideas which replace or refer to documents within the framework of technical processing and the recuperation of electronic information.

Date

2. 1.2005 18:22:25

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Date

17. 7.1996 9:33:22
22. 7.2000 19:05:41

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LCSH

Policy networks / United States
Information networks / United States

Subject

Policy networks / United States
Information networks / United States

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Source

Ratio. 22(1980), S.155-164

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Date

13. 7.2008 19:22:28

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Abstract

Considers the relationship between traditional forms of knowledge and electronic digitised formats. Suggests a new concept of knowledge is emerging as a result of the potential of computer networks, which will be a generative rather than a consumption model, in which knowledge is no longer associated with fixed structures of ideas embodied in printed text. Argues this points more in the direction of an 'access' rather than a 'holdings' model for the library of the future, with an expanded role for librarians as 'knowledge mediators'

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Abstract

Reassesses the role of libraries in the context of the integration of individual countries in Europe into the European Union. As decision making passes from national to supranational bodies, there is the threat that citizens' access to information and the documents pertaining to them could become more restricted. Concludes that, to promote a discursive information environment in society, libraries should explore, evaluate, and enhance information distribution systems, facilitate citizens' access to information and encourage critical discourse through communication networks

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Abstract

Der Sozialphilosoph Hermann Lübbe ist überzeugt davon, daß die Massenmedien nicht 'vermassend', sondern vielmehr 'pluralistisch' wirken. - Bericht zu den 22. Frankfurter Römerberggesprächen zum Thema: Kommt eine neue Kultur? Auf der Suche nach Wirklichkeit im Medienzeitalter

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Date

22. 7.2004 9:42:33
22. 4.2017 11:58:05

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Date

22. 7.2000 19:23:03

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Source

Information processing and management. 22(1986) no.5, S.373-383

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Date

22. 7.2000 19:05:18

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Date

22. 2.2007 18:56:23
22. 2.2007 19:22:13

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LCSH

Information networks

Subject

Information networks

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Abstract

The language and contents of the mass communications industry, and the products produced through and for commerical computerized information systems and networks, may appeal to relatively undeveloped aspects of our intellectual and spiritual faculties and could degrade rationalism and thus jeopardize the production of scientific knowledge. In particular, recent decades have seen a shift away from conceptual linguistic symbolism, historically used for scientific research and communication, to iconic symbolism and visual language, which may be poorly suited to scientific thought. Discusses the relationship between complex computing and telecommunications and both the content and the vehicles of learning and scientific research for the 21st century

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Footnote

Übers. d. Titels: From oral tradition to communication networks: the oral tradition