Neurodynamics: An Exploration in Mesoscopic Brain Dynamics PDF Download
Are you looking for read ebook online? Search for your book and save it on your Kindle device, PC, phones or tablets. Download Neurodynamics: An Exploration in Mesoscopic Brain Dynamics PDF full book. Access full book title Neurodynamics: An Exploration in Mesoscopic Brain Dynamics by Walter Freeman. Download full books in PDF and EPUB format.
Author: Walter Freeman
Publisher: Springer Science & Business Media
ISBN: 1447103718
Category : Medical
Languages : en
Pages : 395
Get Book Here
Book Description
Cortical evoked potentials are of interest primarily as tests of changing neuronal excitabilities accompanying normal brain function. The first three steps in the anal ysis of these complex waveforms are proper placement of electrodes for recording, the proper choice of electrical or sensory stimulus parameters, and the establish ment of behavioral control. The fourth is development of techniques for reliable measurement. Measurement consists of comparison of an unknown entity with a set of standard scales or dimensions having numerical attributes in preassigned degree. A physical object can be described by the dimensions of size, mass, density, etc. In addition there are dimensions such as location, velocity, weight, hardness, etc. Some of these dimensions can be complex (e. g. size depends on three or more subsidiary coordi nates), and some can be interdependent or nonorthogonal (e. g. specification of size and mass may determine density). In each dimension the unit is defined with refer ence to a standard physical entity, e. g. a unit of mass or length, and the result of measurement is expressed as an equivalence between the unknown and the sum of a specified number of units of that entity. The dimensions of a complex waveform are elementary waveforms from which that waveform can be built by simple addition. Any finite single-valued function of time is admissible. They are called basis functions (lO, 15), and they can be expressed in numeric as well as geometric form.
Author: Walter Freeman
Publisher: Springer Science & Business Media
ISBN: 1447103718
Category : Medical
Languages : en
Pages : 395
Get Book Here
Book Description
Cortical evoked potentials are of interest primarily as tests of changing neuronal excitabilities accompanying normal brain function. The first three steps in the anal ysis of these complex waveforms are proper placement of electrodes for recording, the proper choice of electrical or sensory stimulus parameters, and the establish ment of behavioral control. The fourth is development of techniques for reliable measurement. Measurement consists of comparison of an unknown entity with a set of standard scales or dimensions having numerical attributes in preassigned degree. A physical object can be described by the dimensions of size, mass, density, etc. In addition there are dimensions such as location, velocity, weight, hardness, etc. Some of these dimensions can be complex (e. g. size depends on three or more subsidiary coordi nates), and some can be interdependent or nonorthogonal (e. g. specification of size and mass may determine density). In each dimension the unit is defined with refer ence to a standard physical entity, e. g. a unit of mass or length, and the result of measurement is expressed as an equivalence between the unknown and the sum of a specified number of units of that entity. The dimensions of a complex waveform are elementary waveforms from which that waveform can be built by simple addition. Any finite single-valued function of time is admissible. They are called basis functions (lO, 15), and they can be expressed in numeric as well as geometric form.
Author: Walter J. Freeman
Publisher: Columbia University Press
ISBN: 9780231120081
Category : Consciousness
Languages : en
Pages : 190
Get Book Here
Book Description
I think, therefore I am. The legendary pronouncement of philosopher René Descartes lingers as accepted wisdom in the Western world nearly four centuries after its author's death. But does thought really come first? Who actually runs the show: we, our thoughts, or the neurons firing within our brains? Walter J. Freeman explores how we control our behavior and make sense of the world around us. Avoiding determinism both in sociobiology, which proposes that persons' genes control their brains' functioning, and in neuroscience, which posits that their brains' disposition is molded by chemistry and environmental forces, Freeman charts a new course--one that gives individuals due credit and responsibility for their actions. Drawing upon his five decades of research in neuroscience, Freeman utilizes the latest advances in his field as well as perspectives from disciplines as diverse as mathematics, psychology, and philosophy to explicate how different human brains act in their chosen diverse ways. He clarifies the implications of brain imaging, by which neural activity can be observed during the course of normal movements, and shows how nonlinear dynamics reveals order within the fecund chaos of brain function.
Author: Hans Liljenström
Publisher:
ISBN:
Category : Brain
Languages : en
Pages : 0
Get Book Here
Book Description
Author: Walter J. Freeman
Publisher: Psychology Press
ISBN: 1317779274
Category : Psychology
Languages : en
Pages : 213
Get Book Here
Book Description
This monograph from a leading neuroscientist and neural networks researcher investigates and offers a fresh approach to the perplexing scientific and philosophical problems of minds and brains. It explains how brains have evolved from our earliest vertebrate ancestors. It details how brains provide the basis for successful comprehension of the environment, for the formulation of actions and prediction of their consequences, and for cooperating or competing with other beings that have brains. The book also offers observations regarding such issues as: * how and why people fall in and out of love; * the biological basis for experiencing feelings of love and hate; and * how music and dance have provided the ancestral technology for forming social groups such as tribes and clans. The author reviews the history of the mind-brain problem, and demonstrates how the new sciences of behavioral electrophysiology and nonlinear dynamics -- combined with the latest computer technology -- have made it possible for us to observe brains in action. He also provides an answer to the question: What happens to a stimulus after it enters the brain? The answer: The stimulus triggers the construction of a percept and is then washed away. All that we know is what our brains construct for us by neurodynamics. Brains are not logical devices that process information. They are dynamical systems that create meaning through interactions with the environment -- and each other. The book shows how the learning process by which brains construct meaning tends to isolate brains into self-centered worlds, and how nature has provided a remedy -- first appearing in mammals as a mechanism for pair-bonding -- to ensure reproduction of the young dependent on parents. The remedy is based in the neurochemistry of sex which serves to dissolve belief structures in order to open the way for new patterns of understanding and behavior. Individuals experience these changes in various ways, such as falling in love, collegiate indoctrination, tribal bonding, brain washing, political or religious conversions, and related types of socialization. The highest forms of meaning for humans come through these social attachments.
Author: Leonid I. Perlovsky
Publisher: Springer
ISBN: 3540732675
Category : Technology & Engineering
Languages : en
Pages : 369
Get Book Here
Book Description
Experimental evidence in humans and other mammalians indicates that complex neurodynamics is crucial for the emergence of higher-level intelligence. Dynamical neural systems with encoding in limit cycle and non-convergent attractors have gained increasing popularity in the past decade. The role of synchronization, desynchronization, and intermittent synchronization on cognition has been studied extensively by various authors, in particular by authors contributing to the present volume. This book addresses dynamical aspects of brain functions and cognition.
Author: Alessandra Lintas
Publisher: Springer Nature
ISBN: 9811603170
Category : Medical
Languages : en
Pages : 279
Get Book Here
Book Description
This book contains original articles submitted to the Seventh International Conference on Cognitive Neurodynamics (ICCN 2019). The brain is an endless case study of a complex system characterized by multiple levels of integration, multiple time scales of activity, and multiple coding and decoding properties. The contribution of several disciplines, mathematics, physics, computer science, neurobiology, pharmacology, physiology, and behavioral and clinical sciences, is necessary in order to cope with such seemingly unattainable complexity that transforms the experimental information into a tricky puzzle which hides the correspondence with model predictions. This conference gathered active participants to discuss ideas and pose new questions from different viewpoints, ranging from single neurons and neural networks to animal/human behavior in theoretical and experimental studies. The conference is organized with plenary lectures, mini-symposia, interdisciplinary round tables, and oral and poster sessions.
Author: Jim Grigsby
Publisher: Guilford Press
ISBN: 9781572307476
Category : Psychology
Languages : en
Pages : 452
Get Book Here
Book Description
How is each individual's unique personality formed? What is it about p ersonality that can change, and why is change often so slow? Promising approaches to these perennial questions are suggested by the explosio n of recent research in neuroscience and brain functioning. This timel y volume presents a coherent, empirically based, and clinically useful framework for understanding personality. Jim Grigsby and David Steven s illuminate links between the organization of the brain and the unfol ding of personality, and show how different aspects of personality are mediated by the brain's nonconscious learning and memory systems. Pro viding new insights for clinicians, students, and researchers, this bo ok builds a critical bridge between existing psychological theories of personality and emerging knowledge in clinical neuroscience.
Author: Jorge Armony
Publisher: Cambridge University Press
ISBN: 1107310709
Category : Psychology
Languages : en
Pages : 983
Get Book Here
Book Description
Neuroscientific research on emotion has developed dramatically over the past decade. The cognitive neuroscience of human emotion, which has emerged as the new and thriving area of 'affective neuroscience', is rapidly rendering existing overviews of the field obsolete. This handbook provides a comprehensive, up-to-date and authoritative survey of knowledge and topics investigated in this cutting-edge field. It covers a range of topics, from face and voice perception to pain and music, as well as social behaviors and decision making. The book considers and interrogates multiple research methods, among them brain imaging and physiology measurements, as well as methods used to evaluate behavior and genetics. Editors Jorge Armony and Patrik Vuilleumier have enlisted well-known and active researchers from more than twenty institutions across three continents, bringing geographic as well as methodological breadth to the collection. This timely volume will become a key reference work for researchers and students in the growing field of neuroscience.
Author: Rubin Wang
Publisher: Springer Science & Business Media
ISBN: 9048196957
Category : Medical
Languages : en
Pages : 688
Get Book Here
Book Description
Within our knowledge, the series of the International Conference on Cognitive Neurodynamics (ICCN) is the only conference series dedicating to cognitive neurodynamics. This volume is the proceedings of the 2nd International Conference on Cognitive Neurodynamics held in 2009, which reviews the progress in this field since the 1st ICCN -2007. The topics include: Neural coding and realistic neural network dynamics, Neural population dynamics, Firing Oscillations and Patterns in Neuronal Networks, Brain imaging, EEG, MEG, Sensory and Motor Dynamics, Global cognitive function, Multi-scalar Neurodynamics - from Physiology to Systems Theory, Neural computing, Emerging Technologies for Brain Computer Interfaces, Neural dynamics of brain disorders.
Author: Aikaterini Fotopoulou
Publisher: Oxford University Press
ISBN: 019960052X
Category : Medical
Languages : en
Pages : 507
Get Book Here
Book Description
Can the psychodynamics of the mind be correlated with neurodynamic processes in the brain? The book revisits a question that scientists and psychoanalysts have been asking for more than a century. It brings together experts from Psychology, Psychoanalysis, Neuroscience, Philosophy, Psychiatry and Neurology to consider this question.
