Onset Of Bold Fmri Response Correlates With Visuomotor Reaction Time Microform

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Onset of BOLD FMRI Response Correlates with Visuomotor Reaction Time [microform]

Author : David Christopher Luknowsky
Publisher : National Library of Canada = Bibliothèque nationale du Canada
ISBN 13 : 9780612324947
Total Pages : 200 pages
Book Rating : 4.3/5 (249 download)

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Book Synopsis Onset of BOLD FMRI Response Correlates with Visuomotor Reaction Time [microform] by : David Christopher Luknowsky

Download or read book Onset of BOLD FMRI Response Correlates with Visuomotor Reaction Time [microform] written by David Christopher Luknowsky and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1997 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented here are the results of functional magnetic resonance imaging of motor and visual cortical areas performed at 4 Tesla. Subjects executed a cued, visually guided motor task. Activation was detected in the primary motor cortex, the supplementary motor area, the premotor cortex, the somatic-sensory cortex, the posterior parietal cortex, the primary visual cortex, and the middle temporal area. A method for measuring the time interval between onset of the average blood oxygenation level dependent response in the primary visual and motor cortices is proffered. On average, the measured time interval was shown to correlate with the kinematically measured visuomotor reaction time. The same method was used to measure delays in primary visual cortex of each hemisphere in an experiment where there were known delays between half-field visual stimuli. The measured time interval is shown to correlate with stimulus lag over a range of delays from 0-1000 ms.

Onset of BOLD FMRI Response Correlates with Visuomotor Reaction Time

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (654 download)

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Book Synopsis Onset of BOLD FMRI Response Correlates with Visuomotor Reaction Time by :

Download or read book Onset of BOLD FMRI Response Correlates with Visuomotor Reaction Time written by and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Neuronal Correlates of the BOLD Signal During Visual Stimulations

Author : Qingqing Zhang
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (136 download)

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Book Synopsis Neuronal Correlates of the BOLD Signal During Visual Stimulations by : Qingqing Zhang

Download or read book Neuronal Correlates of the BOLD Signal During Visual Stimulations written by Qingqing Zhang and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The blood oxygenation-level-dependent (BOLD) functional magnetic resonance imaging (fMRI) has been widely used to study brain functions with the assumption that it provides an indirect measurement of neuronal-related events. Despite its popularity, there are still important unresolved issues in BOLD-fMRI. First, it is well known that BOLD responses exhibit considerable variations to identical stimulation presentations. To quantitatively characterize this variability, the BOLD signal has been modeled as a linear summation of a stimulation-relevant and a stimulation-irrelevant (i.e., ongoing) component. However, a systematic investigation of the spatiotemporal features of the brain-wide ongoing BOLD component and how these features affect the trial-to-trial variability of BOLD responses are still lacking. To explore these questions, we collected the brain-wide BOLD response with fMRI and local neuronal response with fiber photometry during sustained light ON-OFF stimulations in unanesthetized rats. Our data for the first time revealed the BOLD responsive features to the visual stimulation onset and offset in unanesthetized rodents. Importantly, the cross-region BOLD responses were highly correlated at zero time lag. A linear model with the ongoing response estimated from the rest of the brain explained a large amount of the variance in the measured BOLD responses of visual regions, and removing this ongoing response improved the detection sensitivity of fMRI. Furthermore, in a significant portion of trials, negative BOLD ongoing activity was brain-wide and dominated over the stimulation-induced response, while populational neuronal firing measured by calcium-based fiber photometry remained unchanged. The second unresolved issue in BOLD-fMRI is that when the BOLD response is more complex than a stimulation-related monophasic impulse function, how BOLD signals in different phases relate to neural (or non-neural) signals has remained elusive. With the visual stimulation paradigms we developed, we observed reproducible multi-phase BOLD responses. Results from electrophysiological recordings in unanesthetized rats experiencing the same paradigms as in the fMRI experiments showed that the temporal evolution of the muti-unit activity (MUA) band (300 -- 3000 Hz) power, rather than the gamma-band (30 -- 100 Hz) power, highly resembled the BOLD dynamics. This result suggests that when populational neuronal spiking is dissociated from the gamma LFP, post-stimulus phases of the BOLD response can be better explained by the MUA signal.

Isolating Bold FMRI Correlates of Interhemispheric Visual Processing [microform] : a Comparison of Parametric and Exploratory Analysis Techniques

Download Isolating Bold FMRI Correlates of Interhemispheric Visual Processing [microform] : a Comparison of Parametric and Exploratory Analysis Techniques PDF Online Free

Author : Andrew A. J. Hamilton
Publisher : National Library of Canada = Bibliothèque nationale du Canada
ISBN 13 : 9780612941168
Total Pages : 146 pages
Book Rating : 4.9/5 (411 download)

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Book Synopsis Isolating Bold FMRI Correlates of Interhemispheric Visual Processing [microform] : a Comparison of Parametric and Exploratory Analysis Techniques by : Andrew A. J. Hamilton

Download or read book Isolating Bold FMRI Correlates of Interhemispheric Visual Processing [microform] : a Comparison of Parametric and Exploratory Analysis Techniques written by Andrew A. J. Hamilton and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 2004 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Imaging of Orbital and Visual Pathway Pathology

Author : Wibke S. Müller-Forell
Publisher : Springer Science & Business Media
ISBN 13 : 354027989X
Total Pages : 454 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis Imaging of Orbital and Visual Pathway Pathology by : Wibke S. Müller-Forell

Download or read book Imaging of Orbital and Visual Pathway Pathology written by Wibke S. Müller-Forell and published by Springer Science & Business Media. This book was released on 2005-12-29 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Deals with imaging of pathology of the visual system. This book is divided into two parts, general and special. In the general part, important basics of modern imaging methods are discussed. The knowledge on the indication, technique, and results of functional MR imaging is also presented.

Advances in Neuroergonomics and Cognitive Engineering

Author : Hasan Ayaz
Publisher : Springer Nature
ISBN 13 : 3030510417
Total Pages : 458 pages
Book Rating : 4.0/5 (35 download)

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Book Synopsis Advances in Neuroergonomics and Cognitive Engineering by : Hasan Ayaz

Download or read book Advances in Neuroergonomics and Cognitive Engineering written by Hasan Ayaz and published by Springer Nature. This book was released on 2020-06-27 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers broad overview of the field of cognitive engineering and neuroergonomics, covering emerging practices and future trends toward the harmonious integration of human operators and computer systems. It presents novel theoretical findings on mental workload and stress, activity theory, human reliability, error and risk, and a wealth of cutting-edge applications, such as strategies to make assistive technologies more user-oriented. Further, the book describes key advances in our understanding of cognitive processes, including mechanisms of perception, memory, reasoning, and motor response, with a particular focus on their role in interactions between humans and other elements of computer-based systems. Gathering the proceedings of the AHFE 2020 Virtual Conferences on Neuroergonomics and Cognitive Engineering, and Industrial Cognitive Ergonomics and Engineering Psychology, held on 16–20 July 2020, this book provides extensive and timely information for human–computer interaction researchers, human factors engineers and interaction designers, as well as decision-makers.

Aesthetic Experience

Author : Richard Shusterman
Publisher : Taylor & Francis
ISBN 13 : 041537832X
Total Pages : 207 pages
Book Rating : 4.4/5 (153 download)

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Book Synopsis Aesthetic Experience by : Richard Shusterman

Download or read book Aesthetic Experience written by Richard Shusterman and published by Taylor & Francis. This book was released on 2008 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examines the notion of aesthetic experience as well as its value. This title brings together major voices that have directly theorised the concept of aesthetic experience or indirectly worked on topics connected to it.

Psychoanalysis and Neuroscience

Author : Mauro Mancia
Publisher : Springer Science & Business Media
ISBN 13 : 8847005507
Total Pages : 433 pages
Book Rating : 4.8/5 (47 download)

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Book Synopsis Psychoanalysis and Neuroscience by : Mauro Mancia

Download or read book Psychoanalysis and Neuroscience written by Mauro Mancia and published by Springer Science & Business Media. This book was released on 2007-04-29 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent scientific studies have brought significant advances in the understanding of basic mental functions such as memory, dreams, identification, repression, which constitute the basis of the psychoanalytical theory. This book focuses on the possibility of interactions between psychoanalysis and neuroscience: emotions and the right hemisphere, serotonin and depression. It is a unique tool for professionals and students in these fields, and for operators of allied disciplines, such as psychology and psychotherapy.

Brain Informatics

Author : Mufti Mahmud
Publisher : Springer Nature
ISBN 13 : 3030592774
Total Pages : 384 pages
Book Rating : 4.0/5 (35 download)

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Book Synopsis Brain Informatics by : Mufti Mahmud

Download or read book Brain Informatics written by Mufti Mahmud and published by Springer Nature. This book was released on 2020-09-18 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 13th International Conference on Brain Informatics, BI 2020, held in Padua, Italy, in September 2020. The conference was held virtually due to the COVID-19 pandemic. The 33 full papers were carefully reviewed and selected from 57 submissions. The papers are organized in the following topical sections: cognitive and computational foundations of brain science; investigations of human information processing systems; brain big data analytics, curation and management; informatics paradigms for brain and mental health research; and brain-machine intelligence and brain-inspired computing.

Clinical Pathways in Stroke Rehabilitation

Author : Thomas Platz
Publisher : Springer Nature
ISBN 13 : 3030585050
Total Pages : 284 pages
Book Rating : 4.0/5 (35 download)

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Book Synopsis Clinical Pathways in Stroke Rehabilitation by : Thomas Platz

Download or read book Clinical Pathways in Stroke Rehabilitation written by Thomas Platz and published by Springer Nature. This book was released on 2021-01-14 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book focuses on practical clinical problems that are frequently encountered in stroke rehabilitation. Consequences of diseases, e.g. impairments and activity limitations, are addressed in rehabilitation with the overall goal to reduce disability and promote participation. Based on the available best external evidence, clinical pathways are described for stroke rehabilitation bridging the gap between clinical evidence and clinical decision-making. The clinical pathways answer the questions which rehabilitation treatment options are beneficial to overcome specific impairment constellations and activity limitations and are well acceptable to stroke survivors, as well as when and in which settings to provide rehabilitation over the course of recovery post stroke. Each chapter starts with a description of the clinical problem encountered. This is followed by a systematic, but concise review of the evidence (RCTs, systematic reviews and meta-analyses) that is relevant for clinical decision-making, and comments on assessment, therapy (training, technology, medication), and the use of technical aids as appropriate. Based on these summaries, clinical algorithms / pathways are provided and the main clinical-decision situations are portrayed. The book is invaluable for all neurorehabilitation team members, clinicians, nurses, and therapists in neurology, physical medicine and rehabilitation, and related fields. It is a World Federation for NeuroRehabilitation (WFNR) educational initiative, bridging the gap between the rapidly expanding clinical research in stroke rehabilitation and clinical practice across societies and continents. It can be used for both clinical decision-making for individuals and as well as clinical background knowledge for stroke rehabilitation service development initiatives.

Time Distortions in Mind

Author : Argiro Vatakis
Publisher :
ISBN 13 : 9789004230644
Total Pages : 384 pages
Book Rating : 4.2/5 (36 download)

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Book Synopsis Time Distortions in Mind by : Argiro Vatakis

Download or read book Time Distortions in Mind written by Argiro Vatakis and published by . This book was released on 2015-05 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Time Distortions in Mind brings together current research on temporal processing in clinical populations to elucidate the interdependence between perturbations in timing and disturbances in the mind and brain. For the student, the scientist, and the stepping-stone for further research.

The Senses Considered as Perceptual Systems

Author : James Jerome Gibson
Publisher :
ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.:/5 (321 download)

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Book Synopsis The Senses Considered as Perceptual Systems by : James Jerome Gibson

Download or read book The Senses Considered as Perceptual Systems written by James Jerome Gibson and published by . This book was released on 1983 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Brain-Computer Interface Research

Author : Christoph Guger
Publisher : Springer
ISBN 13 : 3319251902
Total Pages : 133 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Brain-Computer Interface Research by : Christoph Guger

Download or read book Brain-Computer Interface Research written by Christoph Guger and published by Springer. This book was released on 2015-12-12 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes ten of the most promising brain-computer-interface (BCI) projects to have emerged in recent years. BCI research is developing quickly, with many new ideas, research groups, and improved technologies. BCIs enable people to communicate just by thinking – without any movement at all. Several different groups have helped severely disabled users communicate with BCIs, and BCI technology is also being extended to facilitate recovery from stroke, epilepsy, and other conditions. Each year, hundreds of the top BCI scientists, engineers, doctors, and other visionaries compete for the most prestigious honor in the BCI research community: the annual BCI Award. The 2014 BCI Award competition was again competitive, with 69 research groups vying for a nomination. This book summarizes the 2014 BCI Award, including the ten projects that were nominated, the winner, and analyses and discussions of the submitted projects and how they reflect general trends in BCI development. Each of these ten groups provides a chapter summarizing their nominated project, including an introduction, description of methods, results, and newer work completed after the project was submitted. Hence, this book provides a cutting-edge overview of the newest BCI research trends, from top groups, in an easy to read format with numerous supporting pictures, graphs, and figures.

Novel Antischizophrenia Treatments

Author : Mark A. Geyer
Publisher : Springer Science & Business Media
ISBN 13 : 3642257585
Total Pages : 456 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Novel Antischizophrenia Treatments by : Mark A. Geyer

Download or read book Novel Antischizophrenia Treatments written by Mark A. Geyer and published by Springer Science & Business Media. This book was released on 2012-10-01 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume tries to put current therapy - achievements, shortcomings, remaining medical needs - and emerging new targets into the context of increasing knowledge regarding the genetic and neurodevelopmental contributions to the pathophysiology of schizophrenia. Some of the chapters also deal with respective experimental and clinical methodology, biomarkers, and translational aspects of drug development. The volume concentrates on reviewing the ongoing research attempting to identify novel treatments for the cognitive deficits and negative symptoms of schizophrenia, which are not treated adequately by current antipsychotic medications.

Perception and Motor Control in Birds

Author : Mark N.O. Davies
Publisher : Springer Science & Business Media
ISBN 13 : 364275869X
Total Pages : 375 pages
Book Rating : 4.6/5 (427 download)

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Book Synopsis Perception and Motor Control in Birds by : Mark N.O. Davies

Download or read book Perception and Motor Control in Birds written by Mark N.O. Davies and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: Being both broad - perception and motor organization - and narrow - just onegroup of animals - at the same time, this book presents a new unified framework for understanding perceptuomotor organization, stressing the importance of an ecological perspective. Section I reviews recent research on a variety of sensory and perceptual processes in birds, which all involve subtle analyses of the relationships between species' perceptual mechanisms and their ecology and behaviour. Section II describes the variousresearch approaches - behavioural, neurophysiological, anatomical and comparative - all dealing with the common problem of understanding how the activities of large numbers of muscles are coordinated to generate adaptive behaviour. Section III is concerned with a range of approaches to analyzing the links between perceptual and motor processes, through cybernetic modelling, neurophysiological analysis, and behavioural methods.

Applications of Robotics in Industry Using Advanced Mechanisms

Author : Janmenjoy Nayak
Publisher : Springer Nature
ISBN 13 : 3030302717
Total Pages : 390 pages
Book Rating : 4.0/5 (33 download)

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Book Synopsis Applications of Robotics in Industry Using Advanced Mechanisms by : Janmenjoy Nayak

Download or read book Applications of Robotics in Industry Using Advanced Mechanisms written by Janmenjoy Nayak and published by Springer Nature. This book was released on 2019-09-03 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book shares important findings on the application of robotics in industry using advanced mechanisms, including software and hardware. It presents a collection of recent trends and research on various advanced computing paradigms such as soft computing, robotics, smart automation, power control, and uncertainty analysis. The book constitutes the proceedings of the 1st International Conference on Application of Robotics in Industry using Advanced Mechanisms (ARIAM2019), which offered a platform for sharing original research findings, presenting innovative ideas and applications, and comparing notes on various aspects of robotics. The contributions highlight the latest research and industrial applications of robotics, and discuss approaches to improving the smooth functioning of industries. Moreover, they focus on designing solutions for complex engineering problems and designing system components or processes to meet specific needs, with due considerations for public health and safety, including cultural, societal, and environmental considerations. Taken together, they offer a valuable resource for researchers, scientists, engineers, professionals and students alike.

Innovations in Biomedical Engineering

Author : Marek Gzik
Publisher : Springer Nature
ISBN 13 : 3030991121
Total Pages : 341 pages
Book Rating : 4.0/5 (39 download)

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Book Synopsis Innovations in Biomedical Engineering by : Marek Gzik

Download or read book Innovations in Biomedical Engineering written by Marek Gzik and published by Springer Nature. This book was released on 2022-05-31 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the latest developments in the field of biomedical engineering and includes practical solutions and strictly scientific considerations. The development of new methods of treatment, advanced diagnostics or personalized rehabilitation requires close cooperation of experts from many fields, including, among others, medicine, biotechnology and finally biomedical engineering. The latter, combining many fields of science, such as computer science, materials science, biomechanics, electronics not only enables the development and production of modern medical equipment, but also participates in the development of new directions and methods of treatment. The presented monograph is a collection of scientific papers on the use of engineering methods in medicine. The topics of the work include both practical solutions and strictly scientific considerations expanding knowledge about the functioning of the human body. We believe that the presented works will have an impact on the development of the field of science, which is biomedical engineering, constituting a contribution to the discussion on the directions of development of cooperation between doctors, physiotherapists and engineers. We would also like to thank all the people who contributed to the creation of this monograph—both the authors of all the works and those involved in technical works.