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Journal Brain Struct Funct

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Brain Structure and Function: the first 15 years-a retrospective.

Laszlo Zaborszky,

Brain Struct Funct (Brain structure & function)
[2021, 226(8):2467-2475]

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Letter to the Editor.

Regina Markus,

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

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Assessing functional reorganization in visual cortex with simulated retinal lesions.

Holly D H Brown, André D Gouws, Richard J W Vernon, Samuel J D Lawrence, Gemma Donnelly, Lorraine Gill, Richard P Gale, Heidi A Baseler, Antony B Morland,

Macular degeneration (MD) causes central vision loss, removing input to corresponding representations in the primary visual cortex. There is disagreement concerning whether the cortical regions deprived of input can remain responsive, and the source of reported cortical responses is still debated. To simulate MD in controls, normally sighted participants viewed ... Read more >>

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

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Vision for action: thalamic and cortical inputs to the macaque superior parietal lobule.

Michela Gamberini, Lauretta Passarelli, Matteo Filippini, Patrizia Fattori, Claudio Galletti,

The dorsal visual stream, the cortical circuit that in the primate brain is mainly dedicated to the visual control of actions, is split into two routes, a lateral and a medial one, both involved in coding different aspects of sensorimotor control of actions. The lateral route, named "lateral grasping network", ... Read more >>

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

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Marmosets: a promising model for probing the neural mechanisms underlying complex visual networks such as the frontal-parietal network.

Joanita F D'Souza, Nicholas S C Price, Maureen A Hagan,

The technology, methodology and models used by visual neuroscientists have provided great insights into the structure and function of individual brain areas. However, complex cognitive functions arise in the brain due to networks comprising multiple interacting cortical areas that are wired together with precise anatomical connections. A prime example of ... Read more >>

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

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Investigating sexual dimorphism in human brain structure by combining multiple indexes of brain morphology and source-based morphometry.

Gianpaolo Del Mauro, Nicola Del Maschio, Simone Sulpizio, Davide Fedeli, Daniela Perani, Jubin Abutalebi,

Computational morphometry of magnetic resonance images represents a powerful tool for studying macroscopic differences in human brains. In the present study (N participants = 829), we combined different techniques and measures of brain morphology to investigate one of the most compelling topics in neuroscience: sexual dimorphism in human brain structure. When accounting ... Read more >>

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

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Stereological estimations and neurochemical characterization of neurons expressing GABAA and GABAB receptors in the rat pedunculopontine and laterodorsal tegmental nuclei.

Esther Luquin, Beatriz Paternain, Inés Zugasti, Carmen Santomá, Elisa Mengual,

To better understand GABAergic transmission at two targets of basal ganglia downstream projections, the pedunculopontine (PPN) and laterodorsal (LDT) tegmental nuclei, the anatomical localization of GABAA and GABAB receptors was investigated in both nuclei. Specifically, the total number of neurons expressing the GABAA receptor γ2 subunit (GABAAR γ2) and the ... Read more >>

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

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Brain-behavior dynamics between the left fusiform and reading.

Caroline Beelen, Lauren Blockmans, Jan Wouters, Pol Ghesquière, Maaike Vandermosten,

The visual word form area (VWFA) plays a significant role in the development of reading skills. However, the developmental course and anatomical properties of the VWFA have only limitedly been investigated. The aim of the current longitudinal MRI study was to investigate dynamic, bidirectional relations between reading, and the structure ... Read more >>

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[2021, :]

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A tale of two gradients: differences between the left and right hemispheres predict semantic cognition.

Tirso Rene Del Jesus Gonzalez Alam, Brontë L A Mckeown, Zhiyao Gao, Boris Bernhardt, Reinder Vos de Wael, Daniel S Margulies, Jonathan Smallwood, Elizabeth Jefferies,

Decomposition of whole-brain functional connectivity patterns reveals a principal gradient that captures the separation of sensorimotor cortex from heteromodal regions in the default mode network (DMN). Functional homotopy is strongest in sensorimotor areas, and weakest in heteromodal cortices, suggesting there may be differences between the left and right hemispheres (LH/RH) ... Read more >>

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[2021, :]

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Parietal maps of visual signals for bodily action planning.

Guy A Orban, Alessia Sepe, Luca Bonini,

The posterior parietal cortex (PPC) has long been understood as a high-level integrative station for computing motor commands for the body based on sensory (i.e., mostly tactile and visual) input from the outside world. In the last decade, accumulating evidence has shown that the parietal areas not only extract the ... Read more >>

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

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Diverging prefrontal cortex fiber connection routes to the subthalamic nucleus and the mesencephalic ventral tegmentum investigated with long range (normative) and short range (ex-vivo high resolution) 7T DTI.

Volker A Coenen, Máté D Döbrössy, Shi Jia Teo, Johanna Wessolleck, Bastian E A Sajonz, Peter C Reinacher, Annette Thierauf-Emberger, Björn Spittau, Jochen Leupold, Dominik von Elverfeldt, Thomas E Schlaepfer, Marco Reisert,

Uncertainties concerning anatomy and function of cortico-subcortical projections have arisen during the recent years. A clear distinction between cortico-subthalamic (hyperdirect) and cortico-tegmental projections (superolateral medial forebrain bundle, slMFB) so far is elusive. Deep Brain Stimulation (DBS) of the slMFB (for major depression, MD and obsessive compulsive disorders, OCD) has on ... Read more >>

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

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Distribution of brain oxytocin and vasopressin V1a receptors in chimpanzees (Pan troglodytes): comparison with humans and other primate species.

Christina N Rogers Flattery, Daniel J Coppeto, Kiyoshi Inoue, James K Rilling, Todd M Preuss, Larry J Young,

Despite our close genetic relationship with chimpanzees, there are notable differences between chimpanzee and human social behavior. Oxytocin and vasopressin are neuropeptides involved in regulating social behavior across vertebrate taxa, including pair bonding, social communication, and aggression, yet little is known about the neuroanatomy of these systems in primates, particularly ... Read more >>

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

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Endocranial asymmetry in New World monkeys: a comparative phylogenetic analysis of morphometric data.

Paula N Gonzalez, Mariana Vallejo-Azar, Leandro Aristide, Ricardo Lopes, Sergio F Dos Reis, S Ivan Perez,

Brain lateralization is a widespread phenomenon although its expression across primates is still controversial due to the reduced number of species analyzed and the disparity of methods used. To gain insight into the diversification of neuroanatomical asymmetries in non-human primates we analyze the endocasts, as a proxy of external brain ... Read more >>

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[2021, :]

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In vivo restricted diffusion imaging (RDI) is sensitive to differences in axonal density in typical children and adults.

Dea Garic, Fang-Cheng Yeh, Paulo Graziano, Anthony Steven Dick,

The ability to dissociate axonal density in vivo from other microstructural properties is important for the diagnosis and treatment of neurologic disease, and new methods to do so are being developed. We investigated one such method-restricted diffusion imaging (RDI)-to see whether it can more accurately replicate histological axonal density patterns ... Read more >>

Brain Struct Funct (Brain structure & function)
[2021, 226(8):2689-2705]

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Neurodevelopmental scaling is a major driver of brain-behavior differences in temperament across dog breeds.

E E Hecht, I Zapata, C E Alvarez, D A Gutman, T M Preuss, M Kent, J A Serpell,

Behavioral traits like aggression, anxiety, and trainability differ significantly across dog breeds and are highly heritable. However, the neural bases of these differences are unknown. Here we analyzed structural MRI scans of 62 dogs in relation to breed-average scores for the 14 major dimensions in the Canine Behavioral Assessment and ... Read more >>

Brain Struct Funct (Brain structure & function)
[2021, 226(8):2725-2739]

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Coding of interceptive saccades in parietal cortex of macaque monkeys.

Jan Churan, Andre Kaminiarz, Jakob C B Schwenk, Frank Bremmer,

The oculomotor system can initiate remarkably accurate saccades towards moving targets (interceptive saccades) the processing of which is still under debate. The generation of these saccades requires the oculomotor centers to have information about the motion parameters of the target that then must be extrapolated to bridge the inherent processing ... Read more >>

Brain Struct Funct (Brain structure & function)
[2021, 226(8):2707-2723]

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Structural properties of corpus callosum are associated differently with verbal creativity and visual creativity.

Xinran Wu, Qunlin Chen, Xi Wang, Zhiting Ren, Dongtao Wei, Jiangzhou Sun, Jie Zhang, Xinyu Liang, Yaya Jiang, Suyu Zhong, Gaolang Gong, Jiang Qiu,

Recent neuroimaging studies demonstrate that creativity is related to brain regions across both hemispheres, and the corpus callosum forms the structural basis of inter-hemispheric information exchange. However, the findings regarding the relationship between inter-hemispheric interaction and creativity remain inconsistent, which may be caused by different types of creativity and neural ... Read more >>

Brain Struct Funct (Brain structure & function)
[2021, 226(8):2511-2521]

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Myelin densities in retinotopically defined dorsal visual areas of the macaque.

Xiaolian Li, Qi Zhu, Wim Vanduffel,

The visuotopic organization of dorsal visual cortex rostral to area V2 in primates has been a longstanding source of controversy. Using sub-millimeter phase-encoded retinotopic fMRI mapping, we recently provided evidence for a surprisingly similar visuotopic organization in dorsal visual cortex of macaques compared to previously published maps in New world ... Read more >>

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

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Mapping the functional brain state of a world champion freediver in static dry apnea.

Jitka Annen, Rajanikant Panda, Charlotte Martial, Andrea Piarulli, Guillaume Nery, Leandro R D Sanz, Juan M Valdivia-Valdivia, Didier Ledoux, Olivia Gosseries, Steven Laureys,

Voluntary apnea showcases extreme human adaptability in trained individuals like professional free divers. We evaluated the psychological and physiological adaptation and the functional cerebral changes using electroencephalography (EEG) and functional Magnetic Resonance Imaging (fMRI) to 6.5 min of dry static apnea performed by a world champion free diver. Compared to resting ... Read more >>

Brain Struct Funct (Brain structure & function)
[2021, 226(8):2675-2688]

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Cocaine- and amphetamine-regulated transcript peptide- and dopamine-containing systems interact in the ventral tegmental area of the zebra finch, Taeniopygia guttata, during dynamic changes in energy status.

Saptarsi Mitra, Sumela Basu, Omprakash Singh, Ronald M Lechan, Praful S Singru,

The mesolimbic dopamine (DA)-pathway regulates food-reward, feeding-related behaviour and energy balance. Evidence underscores the importance of feeding-related neuropeptides in modulating activity of these DA neurons. The neuropeptide, CART, a crucial regulator of energy balance, modulates DA-release, and influences the activity of ventral tegmental area (VTA) DAergic neurons in the mammalian ... Read more >>

Brain Struct Funct (Brain structure & function)
[2021, 226(8):2537-2559]

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Broca's area and the search for anatomical asymmetry: commentary and perspectives.

Trisanna Sprung-Much, Nicole Eichert, Erika Nolan, Michael Petrides,

We present a brief commentary on the field's search for an anatomical asymmetry between Broca's area and its homologue in the non-dominant hemisphere, focusing on a selection of studies, including research from the last decade. We demonstrate that, several years after the influential review of Keller and colleagues from 2009, ... Read more >>

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

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Dissecting whole-brain conduction delays through MRI microstructural measures.

Matteo Mancini, Qiyuan Tian, Qiuyun Fan, Mara Cercignani, Susie Y Huang,

Network models based on structural connectivity have been increasingly used as the blueprint for large-scale simulations of the human brain. As the nodes of this network are distributed through the cortex and interconnected by white matter pathways with different characteristics, modeling the associated conduction delays becomes important. The goal of ... Read more >>

Brain Struct Funct (Brain structure & function)
[2021, 226(8):2651-2663]

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Structural connectivity and subcellular changes after antidepressant doses of ketamine and Ro 25-6981 in the rat: an MRI and immuno-labeling study.

Raquel Pascual-Antón, Arantxa Blasco-Serra, Emma Muñoz-Moreno, Fuencisla Pilar-Cuéllar, Emilio Garro-Martínez, Eva Florensa-Zanuy, Xavier López-Gil, Víctor M Campa, Guadalupe Soria, Albert Adell,

Ketamine has rapid and robust antidepressant effects. However, unwanted psychotomimetic effects limit its widespread use. Hence, several studies examined whether GluN2B-subunit selective NMDA antagonists would exhibit a better therapeutic profile. Although preclinical work has revealed some of the mechanisms of action of ketamine at cellular and molecular levels, the impact ... Read more >>

Brain Struct Funct (Brain structure & function)
[2021, 226(8):2603-2616]

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A quantitative analysis of cerebellar anatomy in birds.

Felipe Cunha, Cristian Gutiérrez-Ibáñez, Kelsey Racicot, Douglas R Wylie, Andrew N Iwaniuk,

The cerebellum is largely conserved in its circuitry, but varies greatly in size and shape across species. The extent to which differences in cerebellar morphology is driven by changes in neuron numbers, neuron sizes or both, remains largely unknown. To determine how species variation in cerebellum size and shape is ... Read more >>

Brain Struct Funct (Brain structure & function)
[2021, 226(8):2561-2583]

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Dissociated face- and word-selective intracerebral responses in the human ventral occipito-temporal cortex.

Simen Hagen, Aliette Lochy, Corentin Jacques, Louis Maillard, Sophie Colnat-Coulbois, Jacques Jonas, Bruno Rossion,

The extent to which faces and written words share neural circuitry in the human brain is actively debated. Here, we compare face-selective and word-selective responses in a large group of patients (N = 37) implanted with intracerebral electrodes in the ventral occipito-temporal cortex (VOTC). Both face-selective (i.e., significantly different responses to faces ... Read more >>

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[2021, :]

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