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Oscillatory Event-Related Brain Dynamics : NATO Asi Series - Christo Pantev

Oscillatory Event-Related Brain Dynamics

NATO Asi Series

By: Christo Pantev (Editor), Thomas Elbert (Editor), Bernd Lutkenhoner (Editor)

Hardcover Published: 31st January 1995
ISBN: 9780306448942
Number Of Pages: 468

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How does the brain code and process incoming information, how does it recog- nize a certain object, how does a certain Gestalt come into our awareness? One of the key issues to conscious realization of an object, of a Gestalt is the attention de- voted to the corresponding sensory input which evokes the neural pattern underly- ing the Gestalt. This requires that the attention be devoted to one set of objects at a time. However, the attention may be switched quickly between different objects or ongoing input processes. It is to be expected that such mechanisms are reflected in the neural dynamics: Neurons or neuronal assemblies which pertain to one object may fire, possibly in rapid bursts at a time. Such firing bursts may enhance the synaptic strength in the corresponding cell assembly and thereby form the substrate of short-term memory. However, we may well become aware of two different objects at a time. How can we avoid that the firing patterns which may relate to say a certain type of move- ment (columns in V5) or to a color (V 4) of one object do not become mixed with those of another object? Such a blend may only happen if the presentation times be- come very short (below 20-30 ms). One possibility is that neurons pertaining to one cell assembly fire syn- chronously. Then different cell assemblies firing at different rates may code different information.

A Comparative Survey of Event Related Brain Oscillations
Physiologic and Epileptic Oscillations in a Small Invertebrate Network
Corticohippocampal Interplay: Synopsis of a Theory
Coherent Assembly Dynamics in the Cortex: Multineuron Recordings, Network Simulations, and Anatomical Considerations
Temporal Aspects of Information Processing in Areas V1 and V2 of the Macaque Monkey
Oscillations and Synchrony in the Visual Cortex: Evidence for Their Functional Relevance
Oscillatory and Nonoscillatory Synchronizations in the Visual Cortex of Cat and Monkey
Event Related Changes in the 40 Hz Electroencephalogram in Auditory and Visual Reaction Time Tasks
Attentional Effects on Image-Motion Related Potentials and Spectral Perturbations
Retinal and Cortical Oscillatory Responses to Patterned and Unpatterned Visual Stimulation in Man
21 additional articles
Index
Table of Contents provided by Publisher. All Rights Reserved.

ISBN: 9780306448942
ISBN-10: 0306448947
Series: NATO Asi Series
Audience: General
Format: Hardcover
Language: English
Number Of Pages: 468
Published: 31st January 1995
Publisher: Springer Science+Business Media
Country of Publication: US
Dimensions (cm): 25.4 x 17.78  x 2.69
Weight (kg): 1.05

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