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Cytoarchitectonics

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Posterior Intraparietal Sulcus Mediates Detection of Salient Stimuli Outside the Endogenous Focus of Attention.

Tarik Jamoulle, Qian Ran, Karen Meersmans, Jolien Schaeverbeke, Patrick Dupont, Rik Vandenberghe,

Visual consciousness is shaped by the interplay between endogenous selection and exogenous capture. If stimulus saliency is aligned with a subject's attentional priorities, endogenous selection will be facilitated. In case of a misalignment, endogenous selection may be compromised as attentional capture is a strong and automatic process. We manipulated task-congruent ... Read more >>

Cereb Cortex (Cerebral cortex (New York, N.Y. : 1991))
[2021, :]

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Sectorization of the hippocampal formation: Cytoarchitectonics, topography, or vulnerability to hypoxia?

Régis Olry,

J Hist Neurosci (Journal of the history of the neurosciences)
[2021, :1-6]

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Convolutional neural networks for cytoarchitectonic brain mapping at large scale.

Christian Schiffer, Hannah Spitzer, Kai Kiwitz, Nina Unger, Konrad Wagstyl, Alan C Evans, Stefan Harmeling, Katrin Amunts, Timo Dickscheid,

Human brain atlases provide spatial reference systems for data characterizing brain organization at different levels, coming from different brains. Cytoarchitecture is a basic principle of the microstructural organization of the brain, as regional differences in the arrangement and composition of neuronal cells are indicators of changes in connectivity and function. ... Read more >>

Neuroimage (NeuroImage)
[2021, 240:118327]

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The primary visual cortex of Cetartiodactyls: organization, cytoarchitectonics and comparison with perissodactyls and primates.

Jean-Marie Graïc, Antonella Peruffo, Livio Corain, Livio Finos, Enrico Grisan, Bruno Cozzi,

Cetartiodactyls include terrestrial and marine species, all generally endowed with a comparatively lateral position of their eyes and a relatively limited binocular field of vision. To this day, our understanding of the visual system in mammals beyond the few studied animal models remains limited. In the present study, we examined ... Read more >>

Brain Struct Funct (Brain structure & function)
[2021, :]

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Mapping the human lateral geniculate nucleus and its cytoarchitectonic subdivisions using quantitative MRI.

Christa Müller-Axt, Cornelius Eichner, Henriette Rusch, Louise Kauffmann, Pierre-Louis Bazin, Alfred Anwander, Markus Morawski, Katharina von Kriegstein,

The human lateral geniculate nucleus (LGN) of the visual thalamus is a key subcortical processing site for visual information analysis. Due to its small size and deep location within the brain, a non-invasive characterization of the LGN and its microstructurally distinct magnocellular (M) and parvocellular (P) subdivisions in humans is ... Read more >>

Neuroimage (NeuroImage)
[2021, 244:118559]

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Microstimulation of the Premotor Cortex of the Cat Produces Phase-Dependent Changes in Locomotor Activity.

Nicolas Fortier-Lebel, Toshi Nakajima, Nabiha Yahiaoui, Trevor Drew,

To determine the functional organization of premotor areas in the cat pericruciate cortex we applied intracortical microstimulation (ICMS) within multiple cytoarchitectonically identified subregions of areas 4 and 6 in the awake cat, both at rest and during treadmill walking. ICMS in most premotor areas evoked clear twitch responses in the ... Read more >>

Cereb Cortex (Cerebral cortex (New York, N.Y. : 1991))
[2021, :]

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Stable brain loci for the processing of complex syntax: A review of the current neuroimaging evidence.

Yosef Grodzinsky, Peter Pieperhoff, Cynthia Thompson,

We conducted a retrospective review of fMRI studies of complex syntax, in order to study the stability of the neural bases of mechanisms engaged in syntactic processing. Our review set out rigorous selection criteria of studies which we discuss, including transparency and minimality of the contrasts between stimuli, and the ... Read more >>

Cortex (Cortex; a journal devoted to the study of the nervous system and behavior)
[2021, 142:252-271]

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Microstructural deficits in the thalamus of major depressive disorder

Yuxuan Zhang, Yingli Zhang, Hui Ai, Nicholas Van Dam, Long Qian, Gangqiang Hou, Pengfei Xu,

Macroscopic structural abnormalities in the thalamus and thalamic circuits have been shown to contribute to the neuropathology of major depressive disorder (MDD). However, cytoarchitectonic properties underlying these macroscopic abnormalities remain unknown. The purpose of this study was to identify systematic deficits of brain architecture in depression, from structural brain network ... Read more >>

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Cytoarchitectonics of the Rolandic operculum: morphofunctional ponderings.

Lazaros C Triarhou,

Constantin von Economo (1876-1931) had a long-standing interest in the cellular structure of the human cerebral cortex. In the present article I highlight a historical paper that von Economo published in 1930 on the cytoarchitectonics of the Rolandic operculum, an English translation of which I provide as supplementary material. I ... Read more >>

Brain Struct Funct (Brain structure & function)
[2021, 226(4):941-950]

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Neurological and behavioral features of locomotor imagery in the blind.

Kaoru Amemiya, Tomoyo Morita, Satoshi Hirose, Tsuyoshi Ikegami, Masaya Hirashima, Eiichi Naito,

In people with normal sight, mental simulation (motor imagery) of an experienced action involves a multisensory (especially kinesthetic and visual) emulation process associated with the action. Here, we examined how long-term blindness influences sensory experience during motor imagery and its neuronal correlates by comparing data obtained from blind and sighted ... Read more >>

Brain Imaging Behav (Brain imaging and behavior)
[2021, 15(2):656-676]

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Neural response during temporal - and spatial luminance contrast processing and its manifestation in the blood-oxygen-level-dependent-signal in striate and extra-striate cortex.

Valentine L Marcar, Lutz Jäncke,

The primate visual system has been the prime site for investigating the relationship between stimulus property, neural response and blood-oxygen-level-dependent (BOLD)-signal; yet this relationship remains ill-understood. Electrophysiological studies have shown that the ability to visualise a neural response is determined by stimulus property and presentation paradigm. The neural response in ... Read more >>

Neuroreport (Neuroreport)
[2021, 32(12):994-1000]

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Deep learning networks reflect cytoarchitectonic features used in brain mapping.

Kai Kiwitz, Christian Schiffer, Hannah Spitzer, Timo Dickscheid, Katrin Amunts,

The distribution of neurons in the cortex (cytoarchitecture) differs between cortical areas and constitutes the basis for structural maps of the human brain. Deep learning approaches provide a promising alternative to overcome throughput limitations of currently used cytoarchitectonic mapping methods, but typically lack insight as to what extent they follow ... Read more >>

Sci Rep (Scientific reports)
[2020, 10(1):22039]

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The role of tractography in the localisation of the Vim nucleus of the thalamus and the dentatorubrothalamic tract for the treatment of tremor.

O Parras, P Domínguez, A Tomás-Biosca, J Guridi,

<h4>Introduction</h4>The ventralis intermedius (VIM) nucleus of the thalamus is the usual surgical target for tremor. However, locating the structure may be difficult as it is not visible with conventional imaging methods; therefore, surgical procedures typically use indirect calculations correlated with clinical and intraoperative neurophysiological findings. Current ablative surgical procedures such ... Read more >>

Neurologia (Engl Ed) (Neurologia (Barcelona, Spain))
[2021, :]

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Reversal of brain aging by targeting telomerase: A nutraceutical approach.

Dimitris Tsoukalas, Ana Maria Buga, Anca Oana Docea, Evangelia Sarandi, Radu Mitrut, Elisavet Renieri, Demetrios A Spandidos, Ion Rogoveanu, Liliana Cercelaru, Mihaela Niculescu, Aristidis Tsatsakis, Daniela Calina,

Telomeres, the protective caps of chromosomes, shorten with age, as telomerase, the enzyme responsible for the compensation of telomere erosion, is inactive in the majority of cells. Telomere shortening and subsequent cell senescence lead to tissue aging and age‑related diseases. Neurodegenerative disorders, characterized by the progressive loss of neurons among ... Read more >>

Int J Mol Med (International journal of molecular medicine)
[2021, 48(5):]

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Morphology and Morphometry of Human Paracentral Lobule: An Anatomical Study with its Application in Neurosurgery.

Apurba Patra, Harsimarjit Kaur, Priti Chaudhary, Adil Asghar, Anjali Singal,

<h4>Background</h4>The human paracentral lobule (PCL) is the medial continuation of the precentral and postcentral gyri. It has important functional area related to the lower limb and perineum. Its visible surface that corresponds to magnetic resonance imaging scout images varies in morphology, so it requires exact data. Studies related to such ... Read more >>

Asian J Neurosurg (Asian journal of neurosurgery)
[2021, 16(2):349-354]

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Myelo- and cytoarchitectonic microstructural and functional human cortical atlases reconstructed in common MRI space.

Rory Pijnenburg, Lianne H Scholtens, Dirk Jan Ardesch, Siemon C de Lange, Yongbin Wei, Martijn P van den Heuvel,

The parcellation of the brain's cortical surface into anatomically and/or functionally distinct areas is a topic of ongoing investigation and interest. We provide digital versions of six classical human brain atlases in common MRI space. The cortical atlases represent a range of modalities, including cyto- and myeloarchitecture (Campbell, Smith, Brodmann ... Read more >>

Neuroimage (NeuroImage)
[2021, 239:118274]

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The R1-weighted connectome: complementing brain networks with a myelin-sensitive measure.

Tommy Boshkovski, Ljupco Kocarev, Julien Cohen-Adad, Bratislav Mišić, Stéphane Lehéricy, Nikola Stikov, Matteo Mancini,

Myelin plays a crucial role in how well information travels between brain regions. Complementing the structural connectome, obtained with diffusion MRI tractography, with a myelin-sensitive measure could result in a more complete model of structural brain connectivity and give better insight into white-matter myeloarchitecture. In this work we weight the ... Read more >>

Netw Neurosci (Network neuroscience (Cambridge, Mass.))
[2021, 5(2):358-372]

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Existence of Interhemispheric Inhibition between Foot Sections of Human Primary Motor Cortices: Evidence from Negative Blood Oxygenation-Level Dependent Signal.

Eiichi Naito, Tomoyo Morita, Nodoka Kimura, Minoru Asada,

Interhemispheric inhibition (IHI) between the left and right primary motor cortices (M1) plays an important role when people perform an isolated unilateral limb movement. Moreover, negative blood oxygenation-level dependent signal (deactivation) obtained from the M1 ipsilateral to the limb could be a surrogate IHI marker. Studies have reported deactivation in ... Read more >>

Brain Sci (Brain sciences)
[2021, 11(8):]

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Chimpanzee histology and functional brain imaging show that the paracingulate sulcus is not human-specific.

Céline Amiez, Jérôme Sallet, Jennifer Novek, Fadila Hadj-Bouziane, Camille Giacometti, Jesper Andersson, William D Hopkins, Michael Petrides,

The paracingulate sulcus -PCGS- has been considered for a long time to be specific to the human brain. Its presence/absence has been discussed in relation to interindividual variability of personality traits and cognitive abilities. Recently, a putative PCGS has been observed in chimpanzee brains. To demonstrate that this newly discovered ... Read more >>

Commun Biol (Communications biology)
[2021, 4(1):54]

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Functional coupling between CA3 and laterobasal amygdala supports schema dependent memory formation.

Mushfa Yousuf, Pau A Packard, Lluís Fuentemilla, Nico Bunzeck,

The medial temporal lobe drives semantic congruence dependent memory formation. However, the exact roles of hippocampal subfields and surrounding brain regions remain unclear. Here, we used an established paradigm and high-resolution functional magnetic resonance imaging of the medial temporal lobe together with cytoarchitectonic probability estimates in healthy humans. Behaviorally, robust ... Read more >>

Neuroimage (NeuroImage)
[2021, 244:118563]

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Identification of Phonology-Related Genes and Functional Characterization of Broca's and Wernicke's Regions in Language and Learning Disorders.

Nina Unger, Stefan Heim, Dominique I Hilger, Sebastian Bludau, Peter Pieperhoff, Sven Cichon, Katrin Amunts, Thomas W Mühleisen,

Impaired phonological processing is a leading symptom of multifactorial language and learning disorders suggesting a common biological basis. Here we evaluated studies of dyslexia, dyscalculia, specific language impairment (SLI), and the logopenic variant of primary progressive aphasia (lvPPA) seeking for shared risk genes in Broca's and Wernicke's regions, being key ... Read more >>

Front Neurosci (Frontiers in neuroscience)
[2021, 15:680762]

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Myelin imaging of the basal forebrain in first-episode psychosis

Min Tae Park, Peter Jeon, Leon French, Kara Dempster, Mallar Chakravarty, Michael MacKinley, Julie Richard, Ali Khan, Jean Théberge, Lena Palaniyappan,

Cholinergic dysfunction has been implicated in the pathophysiology of psychiatric disorders such as schizophrenia, depression, and bipolar disorder. The basal forebrain (BF) cholinergic nuclei, defined as cholinergic cell groups Ch1-3 and Ch4 (Nucleus Basalis of Meynert; NBM), provide extensive cholinergic projections to the rest of the brain. Here, we examined ... Read more >>

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Functional Topography of Auditory Areas Derived From the Combination of Electrophysiological Recordings and Cortical Electrical Stimulation.

Agnès Trébuchon, F-Xavier Alario, Catherine Liégeois-Chauvel,

The posterior part of the superior temporal gyrus (STG) has long been known to be a crucial hub for auditory and language processing, at the crossroad of the functionally defined ventral and dorsal pathways. Anatomical studies have shown that this "auditory cortex" is composed of several cytoarchitectonic areas whose limits ... Read more >>

Front Hum Neurosci (Frontiers in human neuroscience)
[2021, 15:702773]

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Delineating neural responses and functional connectivity changes during vestibular and nociceptive stimulation reveal the uniqueness of cortical vestibular processing.

Judita Huber, Maxine Ruehl, Virginia Flanagin, Peter Zu Eulenburg,

Vestibular information is ubiquitous and often processed jointly with visual, somatosensory and proprioceptive information. Among the cortical brain regions associated with human vestibular processing, area OP2 in the parietal operculum has been proposed as vestibular core region. However, delineating responses uniquely to vestibular stimulation in this region using neuroimaging is ... Read more >>

Brain Struct Funct (Brain structure & function)
[2021, :]

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Relating quantitative 7T MRI across cortical depths to cytoarchitectonics, gene expression and connectomics.

Peter McColgan, Saskia Helbling, Lenka Vaculčiaková, Kerrin Pine, Konrad Wagstyl, Fakhereh Movahedian Attar, Luke Edwards, Marina Papoutsi, Yongbin Wei, Martijn Pieter Van den Heuvel, Sarah J Tabrizi, Geraint Rees, Nikolaus Weiskopf,

Ultra-high field MRI across the depth of the cortex has the potential to provide anatomically precise biomarkers and mechanistic insights into neurodegenerative disease like Huntington's disease that show layer-selective vulnerability. Here we compare multi-parametric mapping (MPM) measures across cortical depths for a 7T 500 μm whole brain acquisition to (a) layer-specific ... Read more >>

Hum Brain Mapp (Human brain mapping)
[2021, 42(15):4996-5009]

Cited: 1 time

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