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Author | : Eytan Domany |
Publisher | : Springer Science & Business Media |
Total Pages | : 322 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 1461207231 |
Download Models of Neural Networks III Book in PDF, ePub and Kindle
One of the most challenging and fascinating problems of the theory of neural nets is that of asymptotic behavior, of how a system behaves as time proceeds. This is of particular relevance to many practical applications. Here we focus on association, generalization, and representation. We turn to the last topic first. The introductory chapter, "Global Analysis of Recurrent Neural Net works," by Andreas Herz presents an in-depth analysis of how to construct a Lyapunov function for various types of dynamics and neural coding. It includes a review of the recent work with John Hopfield on integrate-and fire neurons with local interactions. The chapter, "Receptive Fields and Maps in the Visual Cortex: Models of Ocular Dominance and Orientation Columns" by Ken Miller, explains how the primary visual cortex may asymptotically gain its specific structure through a self-organization process based on Hebbian learning. His argu ment since has been shown to be rather susceptible to generalization.
Author | : Henry Markram |
Publisher | : Frontiers E-books |
Total Pages | : 575 |
Release | : |
Genre | : |
ISBN | : 2889190439 |
Download Spike-timing dependent plasticity Book in PDF, ePub and Kindle
Hebb's postulate provided a crucial framework to understand synaptic alterations underlying learning and memory. Hebb's theory proposed that neurons that fire together, also wire together, which provided the logical framework for the strengthening of synapses. Weakening of synapses was however addressed by "not being strengthened", and it was only later that the active decrease of synaptic strength was introduced through the discovery of long-term depression caused by low frequency stimulation of the presynaptic neuron. In 1994, it was found that the precise relative timing of pre and postynaptic spikes determined not only the magnitude, but also the direction of synaptic alterations when two neurons are active together. Neurons that fire together may therefore not necessarily wire together if the precise timing of the spikes involved are not tighly correlated. In the subsequent 15 years, Spike Timing Dependent Plasticity (STDP) has been found in multiple brain brain regions and in many different species. The size and shape of the time windows in which positive and negative changes can be made vary for different brain regions, but the core principle of spike timing dependent changes remain. A large number of theoretical studies have also been conducted during this period that explore the computational function of this driving principle and STDP algorithms have become the main learning algorithm when modeling neural networks. This Research Topic will bring together all the key experimental and theoretical research on STDP.
Author | : Akitoshi Hanazawa |
Publisher | : Springer Science & Business Media |
Total Pages | : 176 |
Release | : 2010-09-22 |
Genre | : Mathematics |
ISBN | : 3642040241 |
Download Brain-Inspired Information Technology Book in PDF, ePub and Kindle
"Brain-inspired information technology" is one of key concepts for the development of information technology in the next generation. Explosive progress of computer technology has been continuing based on a simple principle called "if-then rule". This means that the programmer of software have to direct every action of the computer programs in response to various inputs. There inherently is a limitation of complexity because we human have a limited capacity for managing complex systems. Actually, many bugs, mistakes of programming, exist in computer software, and it is quite difficult to extinguish them. The parts of computer programs where computer viruses attack are also a kind of programming mistakes, called security hole. Of course, human body or nervous system is not perfect. No creator or director, however, exists for us. The function of our brain is equipped by learning, self-organization, natural selection, and etc, resulting in adaptive and flexible information system. Brain-inspired information technology is aiming to realize such nature-made information processing system by using present computer system or specific hardware. To do so, researchers in various research fields are getting together to inspire each other and challenge cooperatively for the same goal.
Author | : United States. Congress. House. Select Committee on Aging. Subcommittee on Human Services |
Publisher | : |
Total Pages | : 100 |
Release | : 1992 |
Genre | : Health & Fitness |
ISBN | : |
Download Families in Need Book in PDF, ePub and Kindle
Author | : E. De Schutter |
Publisher | : Elsevier |
Total Pages | : 1034 |
Release | : 2003-06-20 |
Genre | : Computers |
ISBN | : 9780444513830 |
Download Computational Neuroscience: Trends in Research 2003 Book in PDF, ePub and Kindle
This volume includes papers originally presented at the 11th annual Computational Neuroscience Meeting (CNS 02) held in July 2002 at the Congress Plaza Hotel & Convention Center in Chicago, Illinois, USA. The CNS meetings bring together computational neuroscientists representing many different fields and backgrounds as well as many different experimental preparations and theoretical approaches. The papers published here range from pure experimental neurobiology, to neuro-ethology, mathematics, physics, and engineering. In all cases the research described is focused on understanding how nervous systems compute. The actual subjects of the research include a highly diverse number of preparations, modeling approaches and analysis techniques. Accordingly, this volume reflects the breadth and depth of current research in computational neuroscience taking place throughout the world.
Author | : Yannis Stylianou |
Publisher | : Springer Science & Business Media |
Total Pages | : 280 |
Release | : 2007-03-30 |
Genre | : Computers |
ISBN | : 3540715037 |
Download Progress in Nonlinear Speech Processing Book in PDF, ePub and Kindle
This book constitutes of the major results of the EU COST (European Cooperation in the field of Scientific and Technical Research) Action 277: NSP, Nonlinear Speech Processing, running from April 2001 to June 2005. Coverage includes such areas as speech analysis for speech synthesis, speech recognition, speech-non speech discrimination and voice quality assessment, speech enhancement, and emotional state detection.
Author | : Joseph Wright |
Publisher | : |
Total Pages | : 728 |
Release | : 1905 |
Genre | : English language |
ISBN | : |
Download The English Dialect Grammar Book in PDF, ePub and Kindle
Author | : Flavia Marinelli |
Publisher | : Springer Science & Business Media |
Total Pages | : 363 |
Release | : 2013-10-04 |
Genre | : Medical |
ISBN | : 3642399681 |
Download Antimicrobials Book in PDF, ePub and Kindle
Reports on the emergence and prevalence of resistant bacterial infections in hospitals and communities raise concerns that we may soon no longer be able to rely on antibiotics as a way to control infectious diseases. Effective medical care would require the constant introduction of novel antibiotics to keep up in the “arms race” with resistant pathogens. This book closely examines the latest developments in the field of antibacterial research and development. It starts with an overview of the growing prevalence of resistant Gram-positive and Gram-negative pathogens, including their various resistance mechanisms, prevalence, risk factors and therapeutic options. The focus then shifts to a comprehensive description of all major chemical classes with antibacterial properties, their chemistry, mode of action, and the generation of analogs; information that provides the basis for the design of improved molecules to defeat microbial infections and combat the emerging resistances. In closing, recently developed compounds already in clinical use, those in preclinical or first clinical studies, and a number of promising targets to be exploited in the discovery stage are discussed.
Author | : James P. Scanlan |
Publisher | : Routledge |
Total Pages | : 215 |
Release | : 2016-09-16 |
Genre | : Political Science |
ISBN | : 1315487519 |
Download Technology, Culture and Development Book in PDF, ePub and Kindle
Although scholars have devoted much attention to the impact of technology on society, they have tended to slight the question of how technology is affected by social systems. The authors of this volume take precisely this approach in their examination of the "Soviet model" of development. The book surveys the history and current state of science and technology in the USSR and its former satellites. It then looks at the economic environment for technological innovation and examines the impact of the "energy shock" in the transitional economies of the region. Finally, it discusses the ecological devastation of the USSR and Eastern Europe, its connection with the "Soviet model" and the prospects for remediation. The central argument of the book is that the cultural and social factors and the legacy of the Soviet model will inevitable figure in the reconstruction of the East.
Author | : Tobin A Driscoll |
Publisher | : SIAM |
Total Pages | : 615 |
Release | : 2022-08-24 |
Genre | : Mathematics |
ISBN | : 1611977010 |
Download Fundamentals of Numerical Computation Book in PDF, ePub and Kindle
Julia is an open-source and fast-growing programming language for scientific computing that offers clarity and ease of use for beginners but also speed and power for advanced applications. Fundamentals of Numerical Computation: Julia Edition provides a complete solution for teaching Julia in the context of numerical methods. It introduces the mathematics and use of algorithms for the fundamental problems of numerical computation: linear algebra, finding roots, approximating data and functions, and solving differential equations. A clear progression from simple to more advanced methods allows for use in either a one-semester course or a two-semester sequence. The book includes more than 40 functions and 160 examples fully coded in Julia and available for download, online supplemental content including tested source materials for student projects and in-class labs related to every chapter, and over 600 exercises, evenly split between mathematical and computational work, and solutions to most exercises for instructors.