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Author : Robert Francis Campain
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (82 download)
Download or read book Quantitation of the Human Auditory Cortex written by Robert Francis Campain and published by . This book was released on 1970 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Evelyn Sue Brown
Publisher :
ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.:/5 (343 download)
Download or read book Quantitation of the Human Auditory Cortex written by Evelyn Sue Brown and published by . This book was released on 1977 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Poeppel
Publisher : Springer Science & Business Media
ISBN 13 : 1461423139
Total Pages : 404 pages
Book Rating : 4.4/5 (614 download)
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.
Author : Peter Heil
Publisher : Psychology Press
ISBN 13 : 1135613354
Total Pages : 929 pages
Book Rating : 4.1/5 (356 download)
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 929 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.
Author : Jeffery A. Winer
Publisher : Springer Science & Business Media
ISBN 13 : 1441900748
Total Pages : 711 pages
Book Rating : 4.4/5 (419 download)
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.
Author : Jason Donald Warren
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (618 download)
Download or read book Mechanisms of Pattern Analysis in Human Auditory Cortex written by Jason Donald Warren and published by . This book was released on 2005 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yale E. Cohen
Publisher : Springer Science & Business Media
ISBN 13 : 1461423503
Total Pages : 336 pages
Book Rating : 4.4/5 (614 download)
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 2012-10-19 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.
Author : Gastone G. Celesia
Publisher : Elsevier
ISBN 13 : 0444626298
Total Pages : 723 pages
Book Rating : 4.4/5 (446 download)
Download or read book The Human Auditory System written by Gastone G. Celesia and published by Elsevier. This book was released on 2015-03-06 with total page 723 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Human Auditory System: Fundamental Organization and Clinical Disorders provides a comprehensive and focused reference on the neuroscience of hearing and the associated neurological diagnosis and treatment of auditory disorders. This reference looks at this dynamic area of basic research, a multidisciplinary endeavor with contributions from neuroscience, clinical neurology, cognitive neuroscience, cognitive science communications disorders, and psychology, and its dramatic clinical application. A focused reference on the neuroscience of hearing and clinical disorders Covers both basic brain science, key methodologies and clinical diagnosis and treatment of audiology disorders Coverage of audiology across the lifespan from birth to elderly topics
Author : Penaz Parveen Sultana Mohammad
Publisher :
ISBN 13 :
Total Pages : 65 pages
Book Rating : 4.:/5 (119 download)
Download or read book Quantitative Measurement of Cerebral Hemodynamics During Activation of Auditory Cortex with Single- and Multi-distance Near Infrared Spectroscopy written by Penaz Parveen Sultana Mohammad and published by . This book was released on 2018 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: Functional Near Infrared Spectroscopy (fNIRS) is a safe, low-cost, non-invasive opti-cal technique to monitor focal changes in brain activity using neurovascular coupling and measurements of local tissue oxygenation, i.e., changes in concentrations of oxygenated hemoglobin (HbO) and deoxygenated hemoglobin (HbR)[42]. This thesis utilizes two fNIRS approaches to measure hemodynamic changes associated with functional stimulation of the human auditory cortex. The rst approach, single-distance continuous wave NIRS (CW-NIRS) utilizes relatively simple instrumentation and the Modied-Beer Lambert (MBL) law to estimate activation induced changes in tissue oxygenation (CHbO and CHbR)[17]. The second more complex approach, frequency domain NIRS (FD-NIRS), employs a photon diffusion model of light propagation through tissue to measure both baseline (CHbO and CHbR), and stimulus induced changes in oxygenated and deoxygenated hemoglobin[10]. FD-NIRS is more quantitative, but requires measurements at multiple light source-detector separations and thus its use in measuring focal changes in cerebral hemodynamics have been limited.
Author : Alexander Gutschalk
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (7 download)
Download or read book Mechanisms of Auditory Scene Analysis in Human Auditory Cortex written by Alexander Gutschalk and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T. Overath
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (829 download)
Download or read book Representation of Statistical Sound Properties in Human Auditory Cortex written by T. Overath and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The work carried out in this doctoral thesis investigated the representation of statistical sound properties in human auditory cortex. It addressed four key aspects in auditory neuroscience: the representation of different analysis time windows in auditory cortex; mechanisms for the analysis and segregation of auditory objects; information-theoretic constraints on pitch sequence processing; and the analysis of local and global pitch patterns. The majority of the studies employed a parametric design in which the statistical properties of a single acoustic parameter were altered along a continuum, while keeping other sound properties fixed. The thesis is divided into four parts. Part I (Chapter 1) examines principles of anatomical and functional organisation that constrain the problems addressed. Part II (Chapter 2) introduces approaches to digital stimulus design, principles of functional magnetic resonance imaging (fMRI), and the analysis of fMRI data. Part III (Chapters 3-6) reports five experimental studies. Study 1 controlled the spectrotemporal correlation in complex acoustic spectra and showed that activity in auditory association cortex increases as a function of spectrotemporal correlation. Study 2 demonstrated a functional hierarchy of the representation of auditory object boundaries and object salience. Studies 3 and 4 investigated cortical mechanisms for encoding entropy in pitch sequences and showed that the planum temporale acts as a computational hub, requiring more computational resources for sequences with high entropy than for those with high redundancy. Study 5 provided evidence for a hierarchical organisation of local and global pitch pattern processing in neurologically normal participants. Finally, Part IV (Chapter 7) concludes with a general discussion of the results and future perspectives.
Author : Naghmeh Ghazaleh
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (987 download)
Download or read book Neuroimaging of Human Auditory Cortex written by Naghmeh Ghazaleh and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Mots-clés de l'autrice: Auditory cortex ; High-field fMRI ; Tinnitus ; Hyperacusis ; Functional connectivity ; Effective connectivity.
Author : Kuwook Cha
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (1 download)
Download or read book Spectrotemporal Processing and Intrinsic Functional Connectivity in Human Auditory Cortex written by Kuwook Cha and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Studying the interaction and connectivity between neurons is important to understanding human perception and behaviors. Functional connectivity, defined as temporal coherence between recordings of neural activity in different locations, is a promising paradigm to study intrinsic dynamics of brain activity. In mammalian sensory cortices, intrinsic functional connectivity revealed by recording spontaneous activity has been positively correlated to sensory tuning similarities of neurons. Human functional magnetic resonance imaging (fMRI) studies have also demonstrated similar patterns with respect to retinotopy and somatotopy. Such coherent spontaneous activity have also been reported to be associated with behavior and perception. This thesis seeks to understand the nature of coherent spontaneous activity, that is, intrinsic functional connectivity, in human auditory cortex in relation to its spectrotemporal processing. In Study 1, we obtained fMRI responses to pure tone stimuli and estimated best (preferred) frequencies of individual voxels in human auditory cortex. Intrinsic functional connectivity was computed by correlating residual activity, which was obtained by subtracting stimulus effects from fMRI responses, between every pair of voxels, and their correlations were sorted by difference in best frequencies. This analysis revealed that intrinsic functional connectivity decreases as the difference in best frequencies of paired voxels increases. This effect was consistent within and across hemispheres, and within and across regions of core and belt areas. The effect was preserved even after correcting functional connectivity for distance between voxels. Functional connectivity of the right core area had particularly high frequency preference specificity compared to the other three areas. Consistent results were observed when resting-epoch data were used. Study 2 was designed not only to generalize the tuning specificity of functional connectivity to spectrotemporal tuning properties, but to address functional implications of having tuning-specific functional connectivity. The cortical activity measured in fMRI in response to 72 natural sounds were analyzed to characterize spectrotemporal modulation transfer functions (MTFs) of individual voxels that are parameterized by characteristic frequency, spectral density and modulation rate. These tuning functions provided enough information to classify novel sounds from separate test datasets. Intrinsic functional connectivity was computed by correlating residual activity taken from auditory responses and resting-state activity from a separate run. Functional connectivity from both activity types was specific to the three tuning parameters. To examine the implication of functional connectivity on spectrotemporal processing, we built a model that combines spectrotemporal tuning functions and functional connectivity to predict voxel activity, and tested whether single-trial stimulus identification based on this model is improved compared to the model which uses the tuning functions. When functional connectivity was incorporated into the model, single-trial decoding performance was better than when only the tuning functions are used. The effect was preserved across primary and non-primary auditory cortex in both hemispheres. The results were also confirmed when maximum likelihood decoders with covariance estimated from residual or resting-state activity were used. The findings in the above studies suggest that functional connectivity in human auditory cortex is associated with its functional and anatomical architecture, and that tuning-specifically coherent spontaneous activity is functionally important to neural encoding and decoding mechanisms. " --
Author : Wolfgang Köhler
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.:/5 (314 download)
Download or read book Currents of the Auditory Cortex in the Cat written by Wolfgang Köhler and published by . This book was released on 1957 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Benjamin Jason Gurer
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (12 download)
Download or read book Towards the Detection of Tonotopic Reorganisation in the Human Auditory Cortex written by Benjamin Jason Gurer and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Josef Syka
Publisher : Springer Science & Business Media
ISBN 13 : 1441987126
Total Pages : 607 pages
Book Rating : 4.4/5 (419 download)
Download or read book Acoustical Signal Processing in the Central Auditory System written by Josef Syka and published by Springer Science & Business Media. This book was released on 2011-06-27 with total page 607 pages. Available in PDF, EPUB and Kindle. Book excerpt: The symposium on Acoustical Signal Processing in the Central Auditory System which was held in Prague on September 4--7, 1996 was the third in a series organized in Prague, after the Neuronal Mechanisms of Hearing symposium in 1980 and Auditory Pathway - Structure and Function symposium in 1987. Approximately 100 scientists regis tered for the symposium and presented 82 separate papers and posters. The present vol ume contains 53 of these contributions, mostly presented at the symposium as invited review papers. Several essential changes occurred since the previous meeting in 1987. In auditory neuroscience, recently developed methods opened new horizons in the investigation of the structure and function of the central auditory pathway. Methods like c-fos tracing tech niques and monoclonal antibodies for neurotransmitters and their receptors, like the intro duction of electrophysiological recording from brain slices have made possible new insights into the function of individual neurons and their interconnections, particularly in the cochlear nuclei and in the superior olivary complex. Integrative approaches towards understanding the central auditory function started to dominate in the field. It is not easy at the present time to differentiate between purely morphological and neurochemical ap proaches; similarly electrophysiological approaches are accompanied inevitably by behav ioral and psychophysical studies. The understanding of human brain function advanced significantly during the last several years. mainly due to the contribution of magneto encephalography. positron emission tomography and functional nuclear magnetic reso nance imaging.
Author : Sascha Frühholz
Publisher :
ISBN 13 : 0198743181
Total Pages : 977 pages
Book Rating : 4.1/5 (987 download)
Download or read book The Oxford Handbook of Voice Perception written by Sascha Frühholz and published by . This book was released on 2019 with total page 977 pages. Available in PDF, EPUB and Kindle. Book excerpt: Speech perception has been the focus of innumerable studies over the past decades. While our abilities to recognize individuals by their voice state plays a central role in our everyday social interactions, limited scientific attention has been devoted to the perceptual and cerebral mechanisms underlying nonverbal information processing in voices. The Oxford Handbook of Voice Perception takes a comprehensive look at this emerging field and presents a selection of current research in voice perception. The forty chapters summarise the most exciting research from across several disciplines covering acoustical, clinical, evolutionary, cognitive, and computational perspectives. In particular, this handbook offers an invaluable window into the development and evolution of the 'vocal brain', and considers in detail the voice processing abilities of non-human animals or human infants. By providing a full and unique perspective on the recent developments in this burgeoning area of study, this text is an important and interdisciplinary resource for students, researchers, and scientific journalists interested in voice perception.
