Time Spike

Time Spike

Author: Eric Flint

Publisher: Baen Publishing Enterprises

Published: 2008-05-01

Total Pages: 684

ISBN-13: 1618246615

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THE DEADLIEST PREDATORS OF THREE SEPARATE EONS Captain Andy Blacklock was overseeing the change of shifts at the state of Illinois' maximum-security prison when the world outside was suddenly ripped. They thought it was an earthquake until they found that the Mississippi River had disappeared, along with all signs of civilization. Then the sun came up¾in the wrong direction. And a dinosaur came by and scratched its hide against the wall of the prison ... Something had thrown the prison back in time millions of years. And they were not alone. Other humans from periods centuries, even millennia, apart had also been dropped into the same time. Including a band of murderous conquistadores. But the prison had its own large population of murderers. They couldn't be turned loose, but what else could be done with them. Death walked outside the walls, human savagery was planning to break loose inside, and Stephens and the other men and women of the prison's staff were trapped in the middle. At the publisher's request, this title is sold without DRM (Digital Rights Management).


The Spike

The Spike

Author: Mark Humphries

Publisher: Princeton University Press

Published: 2021-03-09

Total Pages: 232

ISBN-13: 0691213518

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The story of a neural impulse and what it reveals about how our brains work We see the last cookie in the box and think, can I take that? We reach a hand out. In the 2.1 seconds that this impulse travels through our brain, billions of neurons communicate with one another, sending blips of voltage through our sensory and motor regions. Neuroscientists call these blips “spikes.” Spikes enable us to do everything: talk, eat, run, see, plan, and decide. In The Spike, Mark Humphries takes readers on the epic journey of a spike through a single, brief reaction. In vivid language, Humphries tells the story of what happens in our brain, what we know about spikes, and what we still have left to understand about them. Drawing on decades of research in neuroscience, Humphries explores how spikes are born, how they are transmitted, and how they lead us to action. He dives into previously unanswered mysteries: Why are most neurons silent? What causes neurons to fire spikes spontaneously, without input from other neurons or the outside world? Why do most spikes fail to reach any destination? Humphries presents a new vision of the brain, one where fundamental computations are carried out by spontaneous spikes that predict what will happen in the world, helping us to perceive, decide, and react quickly enough for our survival. Traversing neuroscience’s expansive terrain, The Spike follows a single electrical response to illuminate how our extraordinary brains work.


Spike Timing

Spike Timing

Author: Patricia M. DiLorenzo

Publisher: CRC Press

Published: 2013-05-02

Total Pages: 425

ISBN-13: 1439838151

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Neuronal communication forms the basis for all behavior, from the smallest movement to our grandest thought processes. Among the many mechanisms that support these functions, spike timing is among the most powerful and—until recently—perhaps the least studied. In the last two decades, however, the study of spike timing has exploded. The heightened interest is due to several factors. These include the development of physiological tools for measuring the activity of neural ensembles and analytical tools for assessing and characterizing spike timing. These advances are coupled with a growing appreciation of spike timing’s theoretical importance for the design principles of the brain. Spike Timing: Mechanisms and Function examines the function of spike timing in sensory, motor, and integrative processes, providing readers with a broad perspective on how spike timing is produced and used by the nervous system. It brings together the work and ideas of leaders in the field to address current thinking as well as future possibilities. The first section of the book describes the foundation for quantitative analysis and theory. It examines the information contained in spike timing, how it can be quantified, and how neural systems can extract it. The second section explores how input-output relationships are reflected in spike timing across a range of sensory systems. Drawing together multiple perspectives, including theoretical and computational studies as well as experimental studies in a range of model systems, the book provides a firm background for investigators to consider spike timing as it applies to their own work. It also offers a glimpse of future advances related to mechanisms of spike timing and its role in neural function, such as the development of novel computational technologies.


Spike

Spike

Author: Spike Lee

Publisher: Chronicle Books

Published: 2021-11-10

Total Pages: 360

ISBN-13: 9781797203850

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This career-spanning monograph is a visual celebration of Spike Lee's life and career to date. Featuring hundreds of never-before-seen photographs by David Lee, Spike's brother, this book includes behind-the-scenes, insider images that underscore his creative process, and his significant impact on the culture at large. Print run 15,000.


Analysis of Parallel Spike Trains

Analysis of Parallel Spike Trains

Author: Sonja Grün

Publisher: Springer Science & Business Media

Published: 2010-08-18

Total Pages: 447

ISBN-13: 1441956751

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Solid and transparent data analysis is the most important basis for reliable interpretation of experiments. The technique of parallel spike train recordings using multi-electrode arrangements has been available for many decades now, but only recently gained wide popularity among electro physiologists. Many traditional analysis methods are based on firing rates obtained by trial-averaging, and some of the assumptions for such procedures to work can be ignored without serious consequences. The situation is different for correlation analysis, the result of which may be considerably distorted if certain critical assumptions are violated. The focus of this book is on concepts and methods of correlation analysis (synchrony, patterns, rate covariance), combined with a solid introduction into approaches for single spike trains, which represent the basis of correlations analysis. The book also emphasizes pitfalls and potential wrong interpretations of data due to violations of critical assumptions.


Spike

Spike

Author: James Marsters

Publisher: Dark Horse Comics

Published: 2014

Total Pages: 74

ISBN-13: 1616554215

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In a story written by the actor who played Spike on the Buffy TV show, James Marsters, the vampire who chose to have a soul takes a break from hanging with Buffy. In a small California town, low on funds and food, Spike runs into his past - hidden under the floorboards of an old store - as well as a patience-trying slimy monster, stolen children and some trouble with his boots. And of course there's always a girl. How can a good guy catch a break when he's constantly trying to hide the vampire inside?


Mad, Bad and Dangerous - The Book of Drummers' Tales

Mad, Bad and Dangerous - The Book of Drummers' Tales

Author: Spike Webb

Publisher: Kings Road Publishing

Published: 2010-07-26

Total Pages: 202

ISBN-13: 1857829972

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Never have so many famous drummers been gathered together in one place! Drummer and writer Spike Webb has spent more than three years meeting fellow drummers in bars, clubs and cafes, shooting the breeze for a couple of hours and extracting anecdote after anecdote for posterity. This is truly a labour of love - and somebody had to do it. In this book you'll meet drummers like Nick Mason (Pink Floyd), Don Powell (Slade), Adam Facek (Babyshambles), Steve White (Paul Weller), Topper Headon (The Clash), Woody (Madness) and world-class session players like Toto's drummer Simon Phillips. Sometimes hilarious, sometimes poignant but always entertaining, it's the ultimate insight into what it really means to be a drummer and an explanation, at last, for what really makes someone do a 20-minute solo. You'll be asking for an encore!


Spike-timing dependent plasticity

Spike-timing dependent plasticity

Author: Henry Markram

Publisher: Frontiers E-books

Published:

Total Pages: 575

ISBN-13: 2889190439

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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.


Spike-based learning application for neuromorphic engineering

Spike-based learning application for neuromorphic engineering

Author: Anup Das

Publisher: Frontiers Media SA

Published: 2024-08-22

Total Pages: 235

ISBN-13: 2832553184

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Spiking Neural Networks (SNN) closely imitate biological networks. Information processing occurs in both spatial and temporal manner, making SNN extremely interesting for the pertinent mimicking of the biological brain. Biological brains code and transmit the sensory information in the form of spikes that capture the spatial and temporal information of the environment with amazing precision. This information is processed in an asynchronous way by the neural layer performing recognition of complex spatio-temporal patterns with sub-milliseconds delay and at with a power budget in the order of 20W. The efficient spike coding mechanism and the asynchronous and sparse processing and communication of spikes seems to be key in the energy efficiency and high-speed computation capabilities of biological brains. SNN low-power and event-based computation make them more attractive when compared to other artificial neural networks (ANN).