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Spectral And Temporal Properties Of Neurons In The A1 And The Posterior Field Of Cat Auditory Cortex
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Book Synopsis Spectral and Temporal Properties of Neurons in the A1 and the Posterior Field of Cat Auditory Cortex by : William Conrad Loftus
Download or read book Spectral and Temporal Properties of Neurons in the A1 and the Posterior Field of Cat Auditory Cortex written by William Conrad Loftus and published by . This book was released on 2001 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Auditory Cortex by : Jeffery A. Winer
Download or read book The Auditory Cortex written by Jeffery A. Winer and published by Springer Science & Business Media. This book was released on 2010-12-02 with total page 711 pages. Available in PDF, EPUB and Kindle. Book excerpt: There has been substantial progress in understanding the contributions of the auditory forebrain to hearing, sound localization, communication, emotive behavior, and cognition. The Auditory Cortex covers the latest knowledge about the auditory forebrain, including the auditory cortex as well as the medial geniculate body in the thalamus. This book will cover all important aspects of the auditory forebrain organization and function, integrating the auditory thalamus and cortex into a smooth, coherent whole. Volume One covers basic auditory neuroscience. It complements The Auditory Cortex, Volume 2: Integrative Neuroscience, which takes a more applied/clinical perspective.
Book Synopsis Psychophysics and Neurophysiology of Spatial Stream Segregation in the Cat by : Lauren Krystal Javier
Download or read book Psychophysics and Neurophysiology of Spatial Stream Segregation in the Cat written by Lauren Krystal Javier and published by . This book was released on 2016 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Listeners have the remarkable ability to disentangle multiple competing sound sequences and organize this mixture into distinct sound sources. A previous study in human listeners has shown that the physical separation between sounds aids in "segregating" between sound sources, whereby sounds located further apart in space are more easily segregated. Furthermore, under anesthetized conditions, animal neurophysiology has been found to parallel conditions in which humans hear one stream or multiple streams. The goal for this dissertation is to evaluate the psychophysics of spatial stream segregation and, in the same species, record neural activity in auditory cortex in the absence of anesthesia. Cats have been used extensively in auditory research due to their well-developed auditory cortex and because they have evolved accurate sound localization ability to support their nocturnal predatory behavior. We developed a novel paradigm testing the spatial resolution of stream segregation in cats to measure psychophysical performance (Chapter 2) and to uncover the spatial cues that are utilized by cats to perform this task. We then implanted chronic electrodes into primary auditory cortex to record single- and multiple-unit neural activity in awake cats (Chapter 3 and Chapter 4). Our findings show that: (1) Cats can segregate streams of broadband sounds with spatial acuity approaching that of humans. In addition, performance was consistently better for high than for low frequencies which is consistent with previous cat physiological results but contrary to human psychophysics. (2) In the absence of anesthesia, neurons in cat cortex exhibit spectral and temporal properties which are not seen in anesthetized preparations but accord with previous observations in unanesthetized marmosets. (3) Lastly, neurons in auditory cortex of awake cats that are not engaged in an overt auditory task exhibit considerably weaker stream segregation than is observed in anesthetized preparations. Although there is little evidence for stream segregation while cats are not engaged in an auditory task, it may be that segregation is influenced by selective attention or that spatial stream segregation is processed in cortical areas beyond A1. Overall, these findings provide insight into auditory mechanisms underlying stream segregation and neural properties of the unanesthetized cortex.
Book Synopsis Association and Auditory Cortices by : Alan Peters
Download or read book Association and Auditory Cortices written by Alan Peters and published by Springer Science & Business Media. This book was released on 2013-12-01 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume deals with some of the association areas of the cerebral cortex and with the auditory cortex. In the first chapter, by Deepak Pandya and Edward Yeterian, the general architectural features and connections of cortical associ ation areas are considered; as these authors point out, in primates the association areas take up a considerable portion of the total cortical surface. Indeed, it is the development of the association areas that accounts for the greatest differ ences between the brains of primate and non primate species, and these areas have long been viewed as crucial in the formation of higher cognitive and be havioral functions. In the following chapter, Irving Diamond, David Fitzpatrick, and James Sprague consider the question of whether the functions of the as sociation areas depend on projections from the sensory areas of the cortex. They use the visual cortex to examine this question and show that there is a great deal of difference between species in the amount of dependence, the differences being paralleled by variations in the manner in which the geniculate and pulvinar nuclei of the thalamus project to the striate and extra striate cortical areas. One of the more interesting and perhaps least understood of the association areas is the cingulate cortex, discussed by Brent Vogt. Cingulate cortex has been linked with emotion and with affective responses to pain, and in his chapter Vogt gives an account of its cytoarchitecture, connections, and functions.
Download or read book The Auditory Cortex written by Peter Heil and published by Psychology Press. This book was released on 2005-05-06 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding human hearing is not only a scientific challenge but also a problem of growing social and political importance, given the steadily increasing numbers of people with hearing deficits or even deafness. This book is about the highest level of hearing in humans and other mammals. It brings together studies of both humans and animals thereby giving a more profound understanding of the concepts, approaches, techniques, and knowledge of the auditory cortex. All of the most up-to-date procedures of non-invasive imaging are employed in the research that is described.
Book Synopsis Structure of the Cat Auditory Cortex by : Charles Chulsoo Lee
Download or read book Structure of the Cat Auditory Cortex written by Charles Chulsoo Lee and published by . This book was released on 2004 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neural Correlates of Auditory Cognition by : Yale E. Cohen
Download or read book Neural Correlates of Auditory Cognition written by Yale E. Cohen and published by Springer Science & Business Media. This book was released on 2012-10-20 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hearing and communication present a variety of challenges to the nervous system. To be heard and understood, a communication signal must be transformed from a time-varying acoustic waveform to a perceptual representation to an even more abstract representation that integrates memory stores with semantic/referential information. Finally, this complex, abstract representation must be interpreted to form categorical decisions that guide behavior. Did I hear the stimulus? From where and whom did it come? What does it tell me? How can I use this information to plan an action? All of these issues and questions underlie auditory cognition. Since the early 1990s, there has been a re-birth of studies that test the neural correlates of auditory cognition with a unique emphasis on the use of awake, behaving animals as model. Continuing today, how and where in the brain neural correlates of auditory cognition are formed is an intensive and active area of research. Importantly, our understanding of the role that the cortex plays in hearing has the potential to impact the next generation of cochlear- and brainstem-auditory implants and consequently help those with hearing impairments. Thus, it is timely to produce a volume that brings together this exciting literature on the neural correlates of auditory cognition. This volume compliments and extends many recent SHAR volumes such as Sound Source Localization (2005) Auditory Perception of Sound Sources (2007), and Human Auditory Cortex (2010). For example, in many of these volumes, similar issues are discussed such as auditory-object identification and perception with different emphases: in Auditory Perception of Sound Sources, authors discuss the underlying psychophysics/behavior, whereas in the Human Auditory Cortex, fMRI data are presented. The unique contribution of the proposed volume is that the authors will integrate both of these factors to highlight the neural correlates of cognition/behavior. Moreover, unlike other these other volumes, the neurophysiological data will emphasize the exquisite spatial and temporal resolution of single-neuron [as opposed to more coarse fMRI or MEG data] responses in order to reveal the elegant representations and computations used by the nervous system.
Book Synopsis The Human Auditory Cortex by : David Poeppel
Download or read book The Human Auditory Cortex written by David Poeppel and published by Springer Science & Business Media. This book was released on 2012-04-12 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: We live in a complex and dynamically changing acoustic environment. To this end, the auditory cortex of humans has developed the ability to process a remarkable amount of diverse acoustic information with apparent ease. In fact, a phylogenetic comparison of auditory systems reveals that human auditory association cortex in particular has undergone extensive changes relative to that of other species, although our knowledge of this remains incomplete. In contrast to other senses, human auditory cortex receives input that is highly pre-processed in a number of sub-cortical structures; this suggests that even primary auditory cortex already performs quite complex analyses. At the same time, much of the functional role of the various sub-areas in human auditory cortex is still relatively unknown, and a more sophisticated understanding is only now emerging through the use of contemporary electrophysiological and neuroimaging techniques. The integration of results across the various techniques signify a new era in our knowledge of how human auditory cortex forms basis for auditory experience. This volume on human auditory cortex will have two major parts. In Part A, the principal methodologies currently used to investigate human auditory cortex will be discussed. Each chapter will first outline how the methodology is used in auditory neuroscience, highlighting the challenges of obtaining data from human auditory cortex; second, each methods chapter will provide two or (at most) three brief examples of how it has been used to generate a major result about auditory processing. In Part B, the central questions for auditory processing in human auditory cortex are covered. Each chapter can draw on all the methods introduced in Part A but will focus on a major computational challenge the system has to solve. This volume will constitute an important contemporary reference work on human auditory cortex. Arguably, this will be the first and most focused book on this critical neurological structure. The combination of different methodological and experimental approaches as well as a diverse range of aspects of human auditory perception ensures that this volume will inspire novel insights and spurn future research.
Book Synopsis The Senses: A Comprehensive Reference by :
Download or read book The Senses: A Comprehensive Reference written by and published by Academic Press. This book was released on 2020-09-30 with total page 5215 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Senses: A Comprehensive Reference, Second Edition, Seven Volume Set is a comprehensive reference work covering the range of topics that constitute current knowledge of the neural mechanisms underlying the different senses. This important work provides the most up-to-date, cutting-edge, comprehensive reference combining volumes on all major sensory modalities in one set. Offering 264 chapters from a distinguished team of international experts, The Senses lays out current knowledge on the anatomy, physiology, and molecular biology of sensory organs, in a collection of comprehensive chapters spanning 4 volumes. Topics covered include the perception, psychophysics, and higher order processing of sensory information, as well as disorders and new diagnostic and treatment methods. Written for a wide audience, this reference work provides students, scholars, medical doctors, as well as anyone interested in neuroscience, a comprehensive overview of the knowledge accumulated on the function of sense organs, sensory systems, and how the brain processes sensory input. As with the first edition, contributions from leading scholars from around the world will ensure The Senses offers a truly international portrait of sensory physiology. The set is the definitive reference on sensory neuroscience and provides the ultimate entry point into the review and original literature in Sensory Neuroscience enabling students and scientists to delve into the subject and deepen their knowledge. All-inclusive coverage of topics: updated edition offers readers the only current reference available covering neurobiology, physiology, anatomy, and molecular biology of sense organs and the processing of sensory information in the brain Authoritative content: world-leading contributors provide readers with a reputable, dynamic and authoritative account of the topics under discussion Comprehensive-style content: in-depth, complex coverage of topics offers students at upper undergraduate level and above full insight into topics under discussion
Download or read book Olympic encyclopedia written by and published by . This book was released on 1987 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neural Substrates of the Perceptual Awareness of Sound in the Cerebral Cortex by : R. Christopher DeCharms
Download or read book Neural Substrates of the Perceptual Awareness of Sound in the Cerebral Cortex written by R. Christopher DeCharms and published by . This book was released on 1998 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Response Properties of Neurons in the Cat's Pulvinar-lateralis Posterior Complex and Their Functional Relationship to the Superior Colliculus by : Stephen Eugene Fish
Download or read book Response Properties of Neurons in the Cat's Pulvinar-lateralis Posterior Complex and Their Functional Relationship to the Superior Colliculus written by Stephen Eugene Fish and published by . This book was released on 1978 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic State and the Receptive Field Transformation in the Lemniscal Auditory Thalamocortical System by : Lee M. Miller
Download or read book Dynamic State and the Receptive Field Transformation in the Lemniscal Auditory Thalamocortical System written by Lee M. Miller and published by . This book was released on 2001 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Inferior Colliculus by : Jeffery A. Winer
Download or read book The Inferior Colliculus written by Jeffery A. Winer and published by Springer Science & Business Media. This book was released on 2005-12-05 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: Connecting the auditory brain stem to sensory, motor, and limbic systems, the inferior colliculus is a critical midbrain station for auditory processing. Winer and Schreiner's The Inferior Colliculus, a critical, comprehensive reference, presents the current knowledge of the inferior colliculus from a variety of perspectives, including anatomical, physiological, developmental, neurochemical, biophysical, neuroethological and clinical vantage points. Written by leading researchers in the field, the book is an ideal introduction to the inferior colliculus and central auditory processing for clinicians, otolaryngologists, graduate and postgraduate research workers in the auditory and other sensory-motor systems.
Book Synopsis The Medial Geniculate Body of the Cat by : Jeffery A. Winer
Download or read book The Medial Geniculate Body of the Cat written by Jeffery A. Winer and published by Springer. This book was released on 1985 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Representation of Auditory Space by Cortical Neurons in Awake and Anesthetized Cats by : Brian James Mickey
Download or read book Representation of Auditory Space by Cortical Neurons in Awake and Anesthetized Cats written by Brian James Mickey and published by . This book was released on 2004 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reactions of Auditory Cortical Neurons in the Cat to Acoustical Signals with Interaural Difference in Stimulation by : Ya A. Altman
Download or read book Reactions of Auditory Cortical Neurons in the Cat to Acoustical Signals with Interaural Difference in Stimulation written by Ya A. Altman and published by . This book was released on 1973 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The impulse activity of the neurons of the auditory cortex (zone A1) was investigated on anesthetized cats under the influence of single clicks, series of clicks and signals with properties of moving sound. Pronounced changes were observed in the activity of neurons. The changes were regularly connected with the side and degree of leading (enhancement) of the stimulus. A significant number of neurons (23%) exhibited the ability to fix the direction of the 'moving' sound with specific changes in activity. Many cortical neurons are able to react to interaural differences in stimulation with delayed changes in impulsation developing a considerable time after the stimulus is switched off.
