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| Author | : Santiago Ramón y Cajal |
| Publisher | : |
| Total Pages | : 94 |
| Release | : 1899 |
| Genre | : Cerebral cortex |
| ISBN | : |
| Author | : Santiago Ramón y Cajal |
| Publisher | : Theclassics.Us |
| Total Pages | : 22 |
| Release | : 2013-09 |
| Genre | : |
| ISBN | : 9781230199733 |
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1899 edition. Excerpt: ... collaterals during their ascent through the 5th layer, reach up to the extreme limit of the 5th layer and here become horizontal. There is no lack of fibres which ascend directly up to the limit of the layer of medium-sized pyramids and there describe arcs, and even very long wavy courses, and end by descending, dividing as they descend, through the 4th and 5th layers. Finally, from the arching portion of some of these latter fibres fine collat ends may be seen to spring on their way to the layer of medium-sized pyramids, where they disappear after a few divisions. To sum up, the optic fibres terminate almost exclusively within the 4th and 5th layers. In only two instances have I discovered collaterals of optic fibres which appeared to form their terminal arborizations within the 1st layer. This plexus of optic fibres is one of the richest and densest to be found in the gray matter of the brain. If it is completely impregnated, which frequently occurs in an infant brain fifteen or twenty days old, it appears as a bewildering meshwork of wavy fibres, besprinkled with vacant spaces corresponding to the cell bodies of these layers (Fig. 18, B). I may add that the, . Fin. 17.--Heavy fibres coming from the whit lahstanr 11118 and subdivldinK in Gennarl's stripe; visual cortex of infant aged plexus diffres a little three days. A, white substance; B, layer of small stellar calls;, I, . C, arched fibres of 4th layer; /). border of layer of medlam-J V ' sized pyramids; a, trunks of the incoming fibres; . collaterals 18). In the 4th layer for deeper layers; r, ascending collaterals destined fur the. more superticial layers. its fibres are larger and often disposed in arches or horizontal bars, ita arborizations are loose and separated by...
| Author | : Santiago Ramón Y Cajal |
| Publisher | : |
| Total Pages | : 86 |
| Release | : 2017-08-26 |
| Genre | : History |
| ISBN | : 9780649349944 |
| Author | : Santiago Ramón y Cajal |
| Publisher | : Nabu Press |
| Total Pages | : 80 |
| Release | : 2014-03 |
| Genre | : |
| ISBN | : 9781294797456 |
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.
| Author | : O. Franzen |
| Publisher | : Birkhäuser |
| Total Pages | : 423 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 3034890168 |
This volume is a compilation of current research on somatosensation and its underlying mechanisms written by international experts from a broad range of disciplines. It is divided into six sections:· structural basis of information processing and neocortical neurotransmitters · psychophysics of somatosensation · cortical representation of somatosensation · sensory-motor interface · neuronal population behavior · cortical neurocomputation and modelling. It highlights not only important new findings but also novel methods and technologies applied to major unresolved issues in the field of neuroscience. The number of methods for investigating the neural mechanisms of soma-tosensory perception has grown substantially in the last decade. The book encompasses levels of inquiry from ionic channels, single unit recordings of neural activity, and functional brain imaging of the coordinated activity of large neuronal ensembles to human psychophysics of controlled somatic stimulation. This work is of great value for researchers and students interested in the dynamic neuronal mechanisms involved in the complex processes of sensory perception and provides a picture of our present understanding of the neural representation of the external world relayed through the somatosensory system.
| Author | : Almut Schuez |
| Publisher | : CRC Press |
| Total Pages | : 807 |
| Release | : 2002-05-30 |
| Genre | : Medical |
| ISBN | : 1134473516 |
The study of areas in the cerebral cortex has a long history, bringing empirical data into close relation with fundamental conceptual issues about the cortex. The subject is currently being revitalized with the advent of new experimental methods and this book brings a modern perspective to the study of these areas. Cortical Areas: Unity and Diversi
| Author | : Henry Kennedy |
| Publisher | : Springer |
| Total Pages | : 173 |
| Release | : 2016-03-10 |
| Genre | : Medical |
| ISBN | : 3319277774 |
This book has brought together leading investigators who work in the new arena of brain connectomics. This includes ‘macro-connectome’ efforts to comprehensively chart long-distance pathways and functional networks; ‘micro-connectome’ efforts to identify every neuron, axon, dendrite, synapse, and glial process within restricted brain regions; and ‘meso-connectome’ efforts to systematically map both local and long-distance connections using anatomical tracers. This book highlights cutting-edge methods that can accelerate progress in elucidating static ‘hard-wired’ circuits of the brain as well as dynamic interactions that are vital for brain function. The power of connectomic approaches in characterizing abnormal circuits in the many brain disorders that afflict humankind is considered. Experts in computational neuroscience and network theory provide perspectives needed for synthesizing across different scales in space and time. Altogether, this book provides an integrated view of the challenges and opportunities in deciphering brain circuits in health and disease.
| Author | : |
| Publisher | : Academic Press |
| Total Pages | : 608 |
| Release | : 2018-03-05 |
| Genre | : Medical |
| ISBN | : 0444636242 |
The Parietal Lobe, Volume 151, the latest release from the Handbook of Clinical Neurology series, provides a foundation on the neuroanatomy, neurophysiology and clinical neurology/neuropsychology of the parietal lobe that is not only applicable to both basic researchers and clinicians, but also to students and specialists who are interested in learning more about disorders brought on by damage or dysfunction. Topics encompass the evolution, anatomy, connections, and neurophysiology, the major neurological and neuropsychological deficits and syndromes caused by damage, the potential for improvement via transcranial stimulation, and the role of the parietal in the cerebral networks for perception and action. Provides a broad overview of the neuroanatomy, neurophysiology and clinical neurology of this region of the cortex Offers additional insights regarding the role of the parietal in the cerebral networks for perception and action Addresses the most frequent complications associated with damage, including somatosensory, perceptual, language, and memory, deficits, pain, optic ataxia, spatial neglect, apraxia, and more Edited work with chapters authored by global leaders in the field Presents the broadest, most expert coverage available
| Author | : György Buzsáki |
| Publisher | : Springer |
| Total Pages | : 181 |
| Release | : 2016-05-02 |
| Genre | : Medical |
| ISBN | : 3319288024 |
This book brings together leading investigators who represent various aspects of brain dynamics with the goal of presenting state-of-the-art current progress and address future developments. The individual chapters cover several fascinating facets of contemporary neuroscience from elementary computation of neurons, mesoscopic network oscillations, internally generated assembly sequences in the service of cognition, large-scale neuronal interactions within and across systems, the impact of sleep on cognition, memory, motor-sensory integration, spatial navigation, large-scale computation and consciousness. Each of these topics require appropriate levels of analyses with sufficiently high temporal and spatial resolution of neuronal activity in both local and global networks, supplemented by models and theories to explain how different levels of brain dynamics interact with each other and how the failure of such interactions results in neurologic and mental disease. While such complex questions cannot be answered exhaustively by a dozen or so chapters, this volume offers a nice synthesis of current thinking and work-in-progress on micro-, meso- and macro- dynamics of the brain.
| Author | : Micah M. Murray |
| Publisher | : CRC Press |
| Total Pages | : 800 |
| Release | : 2011-08-25 |
| Genre | : Science |
| ISBN | : 1439812179 |
It has become accepted in the neuroscience community that perception and performance are quintessentially multisensory by nature. Using the full palette of modern brain imaging and neuroscience methods, The Neural Bases of Multisensory Processes details current understanding in the neural bases for these phenomena as studied across species, stages of development, and clinical statuses. Organized thematically into nine sub-sections, the book is a collection of contributions by leading scientists in the field. Chapters build generally from basic to applied, allowing readers to ascertain how fundamental science informs the clinical and applied sciences. Topics discussed include: Anatomy, essential for understanding the neural substrates of multisensory processing Neurophysiological bases and how multisensory stimuli can dramatically change the encoding processes for sensory information Combinatorial principles and modeling, focusing on efforts to gain a better mechanistic handle on multisensory operations and their network dynamics Development and plasticity Clinical manifestations and how perception and action are affected by altered sensory experience Attention and spatial representations The last sections of the book focus on naturalistic multisensory processes in three separate contexts: motion signals, multisensory contributions to the perception and generation of communication signals, and how the perception of flavor is generated. The text provides a solid introduction for newcomers and a strong overview of the current state of the field for experts.
