• Cerebral microinfarct and white matter disease in CAA have been more often observed in the posterior circulation territory, however the restricted lateralization reported in our case has not been seen. (heighpubs.org)
  • Interestingly, the SWAN sequences showed lateralized rather than global multiple microhemorrhages over the right MCA and PCA territory, and the sulcal hyperintensity on FLAIR was also seen with no associated susceptibility effect and minimal enhancement, indicating probable cerebral amyloid angiopathy (CAA) based on Boston Criteria. (heighpubs.org)
  • One of the most clear examples of cortical layering is the Stria of Gennari in the primary visual cortex. (bionity.com)
  • According to the standard model of visual processing, all visual information from the retina must first pass through the primary visual cortex (V1) in the back of the brain, which extracts simple features like lines and edges, before being distributed to a number of "higher order" visual areas that extract increasingly complex features like shapes, shading, movement, and so on. (ucsf.edu)
  • In contrast to the dogma that all visual areas in the cerebral cortex get their inputs from primary visual cortex (V1), the new study shows that postrhinal cortex (POR) gets information about moving objects via a parallel visual pathway from an evolutionarily ancient brainstem area called superior colliculus. (ucsf.edu)
  • It's as if we've discovered a second primary visual cortex," said study senior author Massimo Scanziani , PhD, a professor of physiology at UCSF and a Howard Hughes Medical Institute investigator. (ucsf.edu)
  • In normally aging subjects, primary visual cortex has been shown to have reduced responses to visual stimulation . (scirp.org)
  • It is not known, however, to what extent aging affects visual field repre-sentations and population receptive sizes in human primary visual cortex. (scirp.org)
  • Here we use func-tional MRI (fMRI) and population receptive field (pRF) modeling to measure angular and ec-centric retinotopic representations and population receptive fields in primary visual cortex in healthy aging subjects ages 57 - 70 and in healthy young volunteers ages 24 - 36 (n = 9). (scirp.org)
  • Primary visual cortex (V1) was clearly identifiable along the calcarine sulcus in all hemispheres. (scirp.org)
  • Understanding the extent of changes that occur in primary visual cortex during normal aging is essential both for understanding the normal aging process and for comparisons of healthy, aging subjects with aging patients suffering from age-related visual and cortical disorders. (scirp.org)
  • Researchers have shows the post rhinal cortex obtains visual data from the superior colliculus and is not dependent upon information from primary visual cortex. (neurosciencenews.com)
  • We have identified a population of cells in the cortex that is activated during sleep in three mammalian species. (pnas.org)
  • These results are largely compatible with corresponding analyses of structural data of mammalian cerebral cortex, and deliver the first functional evidence for 'small-world' architecture of primate cerebral cortex. (isi.edu)
  • This undermines the whole concept of the visual system in mammalian cortex as a perfect hierarchy with V1 as the gatekeeper and raises a multitude of questions, including how these two parallel visual systems evolved and how they cooperate to produce a unified visual experience. (ucsf.edu)
  • In a recent study in the journal Cell , NIH grantee Jeff Lichtman of Harvard University, Cambridge, MA and his colleagues unveiled the first digitized reconstruction of tissue from the mammalian cerebral cortex-the outermost part of the brain, responsible for complex behaviors. (georgetown.edu)
  • The mammalian cerebral cortex is divided into functionally distinct areas. (biologists.org)
  • The columnar organization of the cerebral cortex is a broadly documented principle of design preserved throughout mammalian evolution ( Mountcastle, 1997 ), which has been proposed to be important to allow a large number of neurons to be connected without a significant increase in cortical volume. (frontiersin.org)
  • A key event in the development of the mammalian cerebral cortex is the generation of neuronal populations during embryonic life. (biologists.org)
  • In this study, we present evidence that mammalian Fat4 and Dachsous1 cadherins regulate the apical plasma membrane organization in the embryonic cerebral cortex. (rupress.org)
  • In this study, we analyzed the role of the mammalian Fat-Dachsous system in the embryonic cerebral cortex. (rupress.org)
  • The cerebral cortex is well‐organised anatomical structure with six neuronal layers and subareas that are anatomically and functionally distinct. (els.net)
  • The cerebral cortex is composed of different neuronal subtypes that are organised into networks that connect neurons within and between distinct functional areas. (els.net)
  • The complex networks of the cerebral cortex are specified in development using intrinsic molecular cues and spontaneous neuronal activity, although sensory‐driven activity can also play a role. (els.net)
  • Staining the nervous tissue to reveal the position of the neuronal cell bodies of the intracortical myelin sheats allowed the neuroanatomists in the early 20th century to produced a detailed description of the laminar structure of the cortex in different species. (bionity.com)
  • Sparsification of neuronal activity in the visual cortex at eye-opening," Proceedings of the National Academy of Sciences of the United States of America , vol. 106, no. 35, pp. 15049-15054, 2009. (hindawi.com)
  • The cerebral cortex is the most anterior (rostral) brain region and consists of an outer zone of neural tissue called gray matter, which contains neuronal cell bodies. (wikipedia.org)
  • The cerebral cortex contains a large number of neuronal and glial cell bodies, as well as their intricate dendritic formations and axonal projections, which connect at synapses to form basic functional circuits. (wikipedia.org)
  • The expression and Triton X-100 (Triton) solubility of neuronal intermediate filament proteins were determined in the developing rat cerebral cortex. (nih.gov)
  • Similar expression patterns and Triton solubility profiles were obtained for neuronal intermediate filament proteins in cultured neurons from E15 cerebral cortex. (nih.gov)
  • Here, we have examined the patterns of neuronal migration in the intact cortex. (biologists.org)
  • But how did the outer surface of the brain, the layered cortex of neuronal gray matter, get its folds? (harvard.edu)
  • In this study, the researchers tested the therapeutic potential of cortical neurons generated in the laboratory, which were then transplanted into the brains of adult mice who had undergone brain damage resulting in massive neuronal loss in the visual cortex. (medicalxpress.com)
  • There are between 14 and 16 billion neurons in the cerebral cortex. (wikipedia.org)
  • Previously we have found that a gene called Fezf2 is essential for the generation of the type of neurons in the cerebral cortex that send their axons to the spinal cord: In the mice carrying mutations in the Fezf2 gene, the neurons in the cerebral cortex that send direct connections to the spinal cord, also called the corticospinal motor neurons, fail to be generated. (ca.gov)
  • The cerebral cortex (plural cortices ), also known as the cerebral mantle , is the outer layer of neural tissue of the cerebrum of the brain in humans and other mammals . (wikipedia.org)
  • In mammals with a small brain there is no folding and the cortex is smooth. (wikipedia.org)
  • In the human brain the majority of the cerebral cortex is not visible from the outside, but buried in the sulci, and the insular cortex is completely hidden. (wikipedia.org)
  • When unfolded in the human, each hemispheric cortex has a total surface area of about 0.12 square metres (1.3 sq ft). The folding is inward away from the surface of the brain, and is also present on the medial surface of each hemisphere within the longitudinal fissure . (wikipedia.org)
  • The larger sulci and gyri mark the divisions of the cortex of the cerebrum into the lobes of the brain . (wikipedia.org)
  • Magnetic resonance imaging of the brain (MRI) makes it possible to get a measure for the thickness of the human cerebral cortex and relate it to other measures. (wikipedia.org)
  • Researchers have made a map of the human brain that shows a dense network of connections at the top of the cerebral cortex , suggesting that electrical signals travel through this hub on their way to more specialized regions. (discovermagazine.com)
  • The cerebral cortex is the part of the brain that sets humans apart from and above all other animals. (microscopyu.com)
  • Although most mammals, even small animals such as rats, possess the important surface layer called the "new cortex" or neocortex , it is most highly developed in the human brain. (microscopyu.com)
  • The cerebral cortex is the gray, squiggly outer layer of the brain. (healthcentral.com)
  • Although sleep-active neurons have been identified in other brain areas, neurons that are specifically activated during slow-wave sleep have not previously been described in the cerebral cortex. (pnas.org)
  • The gene, called Lhx2, tells stem cells in the developing brain to form the cerebral cortex, which controls functions such as language, decision-making and vision, according to a University of California, Irvine, study published in the Jan. 18 issue of Science . (drugs.com)
  • The cerebral cortex is a structure within the vertebrate brain with distinct structural and functional properties. (bionity.com)
  • The human cerebral cortex is 2-4 mm (0.08-0.16 inches) thick, and plays a central role in many complex brain functions including memory , attention, perceptual awareness, thought, language, and consciousness. (bionity.com)
  • The glial fibres produced in the first divisions of the progenitor cells are radially-oriented, spanning all the thickness of the cortex, and will provide scafolding for the future migration of neurones from the ventricular zone to the external surface of the brain. (bionity.com)
  • The layered structure of the cerebral cortex, formed during development, can be still observed in the adult vertebrate brain. (bionity.com)
  • The cerebral cortex, or outer cell layer of the brain, is divided into a mosaic of discrete areas with different functions: specific regions control vision, sensory and motor function, hearing, and language. (els.net)
  • a) Shows four major classes of brain cell found in the cerebral cortex: pyramidal cells (P), spiny stellate cells (S), basket cells (B) and chandelier cells (C). (b) In Alzheimer disease, patients lose cortical grey matter (labelled in green). (els.net)
  • The cerebral cortex is a structure within the brain that plays a key role in memory, attention, perceptual awareness, thought, language, and consciousness. (phys.org)
  • Well, I want to talk about a certain area of the brain known as the cerebral cortex and how it plays a role in emotions. (khanacademy.org)
  • The cerebral cortex of the human brain is a sheet of about 10 billion neurons divided into discrete subdivisions or areas that process particular aspects of sensation, movement, and cognition. (sciencemag.org)
  • Early development of the cortex is highly integrated with development of other parts of the brain, including midline patterning centers, the basal ganglia primordia that produce many of the cortical local circuit neurons, and axonal inputs from the thalamus and brain stem. (sciencemag.org)
  • Instead, this region, known as the post-rhinal cortex (POR), appears to obtain visual data directly from an evolutionarily ancient sensory processing center at the base of the brain called the superior colliculus. (ucsf.edu)
  • Of all portions of the brain the cerebral cortex possesses the most direct interest to the. (picsearch.com)
  • The study, published June 9 in the early online edition of Nature Neuroscience, describes vascular architecture within a well-known region of the cerebral cortex and explores what that structure means for functional imaging of the brain and the onset of a kind of dementia. (innovations-report.com)
  • Scientists at the Max Planck Institute have discovered that the brain uses the cortex for making sensory associations, not the hippocampus. (scitechdaily.com)
  • Highly accurate surface models of the cerebral cortex are becoming increasingly important as tools in the investigation of the functional organization of the human brain. (psu.edu)
  • Tissue sections of the cerebral cortex regions expressing CD38 were examined by in situ hybridization to indicate that the astrocytes, one type of glial cells, in the cerebral cortex at the late stages of the postnatal brain development highly expressed CD38. (eurekalert.org)
  • Analysis of the orientations of [3H]thymidine-labeled migrating cells suggests that nonradial migration is equally common in brain slices and the intact cortex and that it increases during neurogenesis. (biologists.org)
  • They found that the internet addicted teens displayed grey matter atrophy in certain areas of the cerebral cortex, the area of the brain responsible for higher order processing, like thinking, memory and speech - and that longer durations of internet addiction resulted in worsened grey matter atrophy. (choosehelp.com)
  • Researchers from the UCLA School of Nursing examined clinical records and magnetic resonance imaging brain scans of patients who were recently diagnosed with sleep apnea, and discovered several apparent connections between thinning of the brain's cerebral cortex and apnea symptoms. (ucla.edu)
  • The extensive outer level of grey question of the cerebral hemispheres, mainly accountable for higher brain functions, including feeling, voluntary muscle tissue motion, thought, reasoning, and memory. (azdictionary.com)
  • Many of the signals our brain receives from our senses are registered in the cerebral cortex. (healthpages.org)
  • The visual cortex is in the lower back part of the brain and is where our brain registers what we see. (healthpages.org)
  • The somatosensory cortex is a band that runs over the top of the brain is where our brain registers a touch on any part of our body. (healthpages.org)
  • This complex of densely connected regions in posterior medial and parietal cortex is both spatially and topologically central within the brain. (dericbownds.net)
  • Cerebral cortical neuron degeneration occurs in brain disorders manifesting throughout life, but the mechanisms are understood poorly. (scialert.net)
  • Sulcal and gyral landmarks on the human cerebral cortex are required for various studies of the human brain. (pubmedcentralcanada.ca)
  • The examination of the patterns of variation in the human brain often relies upon the accurate identification of structures on the surface of the cerebral cortex. (pubmedcentralcanada.ca)
  • Human brain cerebral Cortex tissue membrane protein lysate was prepared by isolating the membrane protein from whole tissue homogenates using a proprietary technique. (creativebiomart.net)
  • For quality control purposes, the isolated brain cerebral Cortex tissue membrane protein pattern on SDS-PAGE gel is shown to be consistent for each lot by visualization with coomassie blue staining. (creativebiomart.net)
  • The isolated brain cerebral Cortex tissue membrane protein is then Western analyzed by either GAPDH or β-actin antibody to confirm there is no signal or very weak signal. (creativebiomart.net)
  • Brain: cerebral cortex membrane protein lysate is for use in Western blotting, 10 μg to 20 μg per lane is recommended for mini gel. (creativebiomart.net)
  • The cerebral cortex is the most complex and essential structure of our brain. (medicalxpress.com)
  • Remarkably, the researchers found that the transplanted neurons integrated effectively into the brain after injury, but most importantly they could connect with the host brain, as some of them even responded to visual stimuli, like the visual cortex . (medicalxpress.com)
  • Moreover, a part of the brain called the cerebral cortex - which plays a key role in memory, attention, awareness and thought - contains twice as many cells in humans as the same region in chimpanzees. (elifesciences.org)
  • Networks of brain cells in the cerebral cortex also behave differently in the two species. (elifesciences.org)
  • How these species differences arise is not clear, but it likely occurs in the earliest phases of development when brain stem and progenitor cells divide and give rise to cerebral cortex cells in the growing brain. (elifesciences.org)
  • Near-infrared spectroscopy (NIRS) was used to measure frontal regional cerebral blood volume (rCBV) in a person whose brain was under the influence of pharmacological agents while the person was performing a complex task. (spiedigitallibrary.org)
  • These results suggest that caffeine helps to protect the brain from excessive hyperemia in addition to activating the neurons in the prefrontal cortex. (spiedigitallibrary.org)
  • In the future, Swanson hopes to be able to expand the neural-connection map of the rat brain beyond the cerebral cortex, some day mapping the entire nervous system. (usc.edu)
  • Activity-dependent development of callosal projections in the somatosensory cortex," Journal of Neuroscience , vol. 27, no. 42, pp. 11334-11342, 2007. (hindawi.com)
  • The cerebral cortex is the largest site of neural integration in the central nervous system . (wikipedia.org)
  • The cerebral cortex is folded in a way that allows a large surface area of neural tissue to fit within the confines of the neurocranium . (wikipedia.org)
  • The cerebral cortex develops from the neural plate, a specialised part of the embryonic ectoderm . (bionity.com)
  • We examined how this transformation progresses along multiple levels of the hierarchy by comparing neural representations in visual, temporal, parietal, and frontal cortices in monkeys categorizing across three visual domains (shape, motion direction, and color). (pnas.org)
  • Paralleling these representational differences, the dimensionality of neural population activity decreased progressively from sensory to intermediate to frontal cortex. (pnas.org)
  • Yoshiaki Tagawa and Tomoo Hirano, "Activity-Dependent Callosal Axon Projections in Neonatal Mouse Cerebral Cortex," Neural Plasticity , vol. 2012, Article ID 797295, 10 pages, 2012. (hindawi.com)
  • Understanding these data will help improve the fidelity of neural models of cerebral cortical function and take into account the diversity of connections at both micro- and mesoscopic scales not seen at such a depth before. (frontiersin.org)
  • The new evidence indicates that the development of cortical areas involves a rich array of signals, with considerable interplay between mechanisms intrinsic to cortical progenitors and neurons and mechanisms extrinsic to the cortex, including those requiring neural activity. (sciencemag.org)
  • In neural progenitor cells of the cortex, Fat4 and Dachsous1 were concentrated together in a cell-cell contact area positioned more apically than the adherens junction (AJ). (rupress.org)
  • Swati M. Surkar , Rashelle M. Hoffman, Regina Harbourne, Max J. Kurz, "Neural activation within the prefrontal cortices during the goal-directed motor actions of children with hemiplegic cerebral palsy," Neurophotonics 5(1), 011021 (10 March 2018). (spiedigitallibrary.org)
  • Each cerebral cortex hemisphere is made of four anatomically distinct lobes: frontal, parietal, occipital and temporal. (els.net)
  • Why the frontal cortex in autism might be talking only to itself: local over-connectivity but long-distance disconnection. (springer.com)
  • Decreases were more pronounced in the posterior cingulate/precuneous (BAS 31/7) and right inferior parietal cortex (BA 40) during language-related tasks and more pronounced in left inferior frontal cortex (BA 10/47) during nonlanguage tasks. (mit.edu)
  • Blood flow decreases did not generally show significant differences across the active task states within an experiment, but a verb-generation task produced larger decreases than a read task in right and left inferior parietal lobe (BA 40) and the posterior cingulate/precuneous (BA 31/7), while the read task produced larger decreases in left lateral inferior frontal cortex (BA 10/47). (mit.edu)
  • During the UKP testing, changes in the rCBV in the inferior frontal cortex were continuously measured using NIRS. (spiedigitallibrary.org)
  • Although the performance of the mental work improved following caffeine intake, the improvement was not reflected in the rCBV in the inferior frontal cerebral cortex. (spiedigitallibrary.org)
  • Recent analyses of association fibre networks in the primate cerebral cortex have revealed a small number of densely intra-connected and hierarchically organized structural systems. (isi.edu)
  • This article reviews the recent research into ways of restoring swallowing function in these patients through promoting plasticity and reorganisation of the remaining, viable cerebral cortex. (springer.com)
  • CEREBRAL CORTEX is an interdisciplinary journal publishing papers on the development, organization, plasticity and function of the cerebral cortex. (periodicals.com)
  • The cerebral cortex resembles a six layer sheet of neurons that in many animals, including humans, is folded to fit into the confines of the skull. (els.net)
  • A fold or ridge in the cortex is termed a gyrus (plural gyri) and a groove is termed a sulcus (plural sulci). (wikipedia.org)
  • The cerebral cortex is the outer covering of the surfaces of the cerebral hemispheres and is folded into peaks called gyri , and grooves called sulci . (wikipedia.org)
  • About two thirds of the cortical surface is buried in the sulci and the insular cortex is completely hidden. (wikipedia.org)
  • Most mammals have a cerebral cortex that is convoluted with the peaks known as gyri and the troughs or grooves known as sulci. (wikipedia.org)
  • The surface of the cerebral cortex is folded in large mammals, wherein more than two-thirds of the cortical surface is buried in the grooves, called "sulci. (bionity.com)
  • The surface of the cerebral cortex is folded in large mammals, such that more than two-thirds of the cortical surface is buried in the grooves, called "sulci. (phys.org)
  • They present numerical simulations and physical mimics of the constrained growth of the cortex which show how compressive mechanical forces sculpt it to form characteristic sulci and gyri, consistent with observations across species in both normal and pathological situations. (harvard.edu)
  • We report here on (1) a summary of the layout of cortical areas associated with vision and with other modalities, (2) a computerized database for storing and representing large amounts of information on connectivity patterns, and (3) the application of these data to the analysis of hierarchical organization of the cerebral cortex. (psu.edu)
  • Powell TPS and Mountcastle VB (1959) Some aspects of the functional organization of the cortex of the postcentral gyrus of the monkey: a correlation of findings obtained in a single unit analysis with cytoarchitecture. (els.net)
  • Mature cortical areas differ by their location within the cortex, molecular properties, histological organization, patterns of connectivity, and function. (sciencemag.org)
  • Organization of the cerebral cortex in the marmoset, one of the smallest simian primates. (picsearch.com)
  • Does cell lineage in the developing cerebral cortex contribute to its columnar organization? (frontiersin.org)
  • From these results, we propose that Fat4 and Dachsous1 regulate the subapical membrane organization in concert with the Pals1 complex in the developing cerebral cortex. (rupress.org)
  • In most mammals, apart from small mammals that have small brains, the cerebral cortex is folded, providing a greater surface area in the confined volume of the cranium . (wikipedia.org)
  • For species of mammals, larger brains (in absolute terms, not just in relation to body size) tend to have thicker cortices. (wikipedia.org)
  • We immunocytochemically identified microglia in fronto-insular (FI) and visual cortex (VC) in autopsy brains of well-phenotyped subjects with autism and matched controls, and stereologically quantified the microglial densities. (springer.com)
  • Since we observed increased densities of microglia in two functionally and anatomically disparate cortical areas, we suggest that these immune cells are probably denser throughout cerebral cortex in brains of people with autism. (springer.com)
  • The greater cortex injury in cognitive centers of women's brains may underlie their more common cognitive problems compared with men, while thinning associated with both men and women who have sleep apnea may be behind the disordered breathing seen between both. (ucla.edu)
  • Methods Focal cerebral infarction was induced in rats by photothrombosis after hematogenous macrophages were depleted by means of liposomes containing dichloromethylene diphosphonate. (ahajournals.org)
  • In their most extreme interpretations, the former postulated that the cortical progenitor zone contains the information that generates cortical areas, whereas the latter postulated that thalamic afferent axons, through activity-dependent mechanisms, impose cortical areal identity on an otherwise homogeneous cortex. (sciencemag.org)
  • Expression of Cux-1 and Cux-2 in the subventricular zone and upper layers II-IV of the cerebral cortex," Journal of Comparative Neurology , vol. 479, no. 2, pp. 168-180, 2004. (hindawi.com)
  • The cortex, more generally known as the pallium, develops from a morphologically uniform ventricular zone located in the dorsocaudal part of the telencephalic vesicles. (sciencemag.org)
  • Cells and circuitry of the cerebral cortex. (els.net)
  • We also observed a large number of weakly stained nNOS cells in the cortex. (pnas.org)
  • The smaller, pale cells are present in the middle layers of cortex (layers IV and/or V). Colocalization studies indicate that virtually all the small tachykinin-immunoreactive neurons also display GABA immunoreactivity. (jneurosci.org)
  • After the work of Korbinian Brodmann (1909) the neurons of the cerebral cortex are grouped into six main layers, from outside (pial surface) to inside (white matter): Layer I, the molecular layer, contains few scattered neurons and consists mainly of extensions of apical dendritic tufts of pyramidal neurons and horizontally oriented axons, as well as glial cells. (wikipedia.org)
  • The project focused on a region of the cerebral cortex in which the nerve cells are so well known that they can be traced to individual whiskers. (innovations-report.com)
  • Jones, E. G. is the author of 'Cerebral Cortex: Functional Properties of Cortical Cells', published 1984 under ISBN 9780306417559 and ISBN 0306417553. (valorebooks.com)
  • In the present study, with the CD38 gene-knockout mice, developmental abnormality of glial cells has been shown, suggesting glial cell development to be important in the cerebral cortex development. (eurekalert.org)
  • Additionally, cells appear to follow nonradial trajectories at all levels of the developing cerebral wall, suggesting that tangential migration may be more prevalent than previously suspected from the imaging studies. (biologists.org)
  • These results suggest that tangential migration in the intact cortex plays a pivotal role in the tangential dispersion of clonally related cells revealed by retroviral lineage studies (Walsh, C. and Cepko, C. L. (1992) Science 255, 434-440). (biologists.org)
  • The spaces between the bodies and projections of the nerve cells of the cortex are filled with neuroglia and a vascular network (capillaries). (thefreedictionary.com)
  • The neurons of the cortex are subdivided into three basic types: pyramidal (80-90 percent of the cells of the cortex), stel-late, and fusiform, or spindle. (thefreedictionary.com)
  • Stellate cells are distinguished by poorly developed dendrites and by highly developed axons that remain within the diameter of the cortex and embrace groups of pyramidal cells with their branches. (thefreedictionary.com)
  • While programmed cell death has been documented in other parts of the embryonic central nervous system, its operation has not been previously reported in the embryonic cortex because of the lack of cell death markers and the difficulty in following the entire population of cortical cells. (biologists.org)
  • Here, we have investigated the spatial and temporal distribution of dying cells in the embryonic cortex using an in situ endlabelling technique called 'ISEL+' that identifies fragmented nuclear DNA in dying cells with increased sensitivity. (biologists.org)
  • This number declined to 50% by embryonic day 18, and few dying cells were observed in the adult cerebral cortex. (biologists.org)
  • Surprisingly, while dying cells were observed throughout the cerebral cortical wall, the majority were found within zones of cell proliferation rather than in regions of postmitotic neurons. (biologists.org)
  • A developmental model based on these physiological observations, and on comparative studies of cortical organisation, is then proposed, in order to explain how a combination of molecular specification steps and activity-driven processes can generate the variety of visuotopic organisations observed in adult cortex. (scielo.br)
  • Kaas JH, Nelson RJ, Sur M, Lin CS and Merzenich MM (1979) Multiple representations of the body within the primary somatosensory cortex of primates. (els.net)
  • The cerebral cortex is a telencephalic structure present in some vertebrate species located at the surface of the cerebral hemispheres. (els.net)
  • The Cerebral Cortex in Neurodegenerative and Neuropsychiatric Disorders: Experimental Approaches to Clinical Issues focuses on how pre-clinical investigations are addressing the clinical issues surrounding the involvement of the cerebral cortex in selected conditions of the nervous system, including Alzheimer's Disease, Parkinson's, addiction, and cardiovascular dysregulation. (elsevier.com)
  • Grey matter is formed by neurons and their unmyelinated fibers, whereas the white matter below the grey matter of the cortex is formed predominantly by myelinated axons interconnecting different regions of the central nervous system . (bionity.com)
  • The superficial layer of the cerebral hemispheres, composed of gray matter and concerned with coordination of higher nervous activity. (thefreedictionary.com)
  • Because of its bilateral connections with the lower sections of the nervous system, the cortex can participate in the regulation and coordination of all body functions. (thefreedictionary.com)
  • In fact, a columnar distribution of neurons displaying similar functional properties throughout the cerebral cortex has been observed by many researchers. (frontiersin.org)
  • Using high-resolution magnetic resonance imaging scans, the researchers looked at cortex thickness of 12 women and 36 men who had diagnoses of mild to severe obstructive sleep apnea (who were not being treated for their condition), and compared those findings to 40 male and 22 female controls (who did not have sleep apnea). (ucla.edu)
  • The researchers then compared clinical findings of each patient with evidence of cortex thinning. (ucla.edu)
  • The work of ULB team of researchers led by Pierre Vanderhaeghen, Kimmo Michelsen and Sandra Acosta (WELBIO, IRIBHM and ULB Neuroscience Institute (UNI)), in collaboration with the laboratory of Afsaneh Gaillard (INSERM / U. Poitiers , France), opens new perspectives for the repair of damaged cell replacement cerebral cortex . (medicalxpress.com)
  • Acetylcholine in the Cerebral Cortex Edition by Descarries, L. (vitalsource.com)
  • When associative learning takes place in the amygdala, that is, when an animal is conditioned by AS followed by ES, the cholinergic basal forebrain is excited by AS + ES through the amygdala and increases the acetylcholine level in the cortex. (umn.edu)