Article
Radiology, Nuclear Medicine & Medical Imaging
Teodoro Martin-Noguerol, Rafael Barousse, Daniel E. Wessell, Ignacio Rossi, Antonio Luna
Summary: Diffusion tensor imaging (DTI) is an advanced MRI technique that provides pathophysiologic information and quantitative assessment of muscle microstructure, with the potential to become imaging biomarkers for skeletal muscle.
EUROPEAN RADIOLOGY
(2022)
Article
Anatomy & Morphology
Corentin Dauleac, Carole Frindel, Isabelle Pelissou-Guyotat, Celia Nicolas, Fang-Cheng Yeh, Juan Fernandez-Miranda, Francois Cotton, Timothee Jacquesson
Summary: Despite recent advancements in diffusion-weighted imaging, reconstructing tractograms of the spinal cord remains challenging, hindering routine clinical use. The new full tractography approach simplifies the process and offers a reliable 3D rendering of the spinal cord, aiding in adjusting neurosurgical strategies.
FRONTIERS IN NEUROANATOMY
(2022)
Article
Computer Science, Interdisciplinary Applications
Temesgen Bihonegn, Sumit Kaushik, Avinash Bansal, Lubomir Vojtisek, Jan Slovak
Summary: The study aims to enhance the effectiveness of geodesic ray-tracing method in white matter fiber reconstruction by adjusting metrics on diffusion tensor spaces. By choosing appropriate metrics, enhancing robustness, and utilizing fourth order tensor data, more satisfactory results are achieved in white matter tract construction.
COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE
(2021)
Review
Clinical Neurology
Weishi Liang, Bo Han, Yong Hai, Peng Yin, Yuxiang Chen, Congying Zou
Summary: The study on compressed lumbosacral nerve roots using diffusion tensor imaging (DTI) showed that reduced FA values and increased ADC values are valuable indicators for diagnosis and treatment planning. DTI with fiber tracking is more advanced than conventional MRI in visualizing and locating compression zones of nerve roots for surgical plans.
EUROPEAN SPINE JOURNAL
(2021)
Article
Geriatrics & Gerontology
Yahui Ouyang, Dong Cui, Zilong Yuan, Zhipeng Liu, Qing Jiao, Tao Yin, Jianfeng Qiu
Summary: Population aging has led to a focus on changes in elderly brains, particularly in white matter fibers. This study used various parameters to analyze age-related changes in white matter fibers, finding significant differences in FA, MD, AD, and RD between young and middle-age groups. Deterministic fiber tracking showed a correlation between fiber length and age, with specific fibers identified as potential image markers for age-related white matter changes.
FRONTIERS IN AGING NEUROSCIENCE
(2021)
Review
Clinical Neurology
Xiaolong Wu, Mengjun Li, Zhiping Zhang, Xiaotong Li, Manlin Di, Gang Song, Xu Wang, Mingchu Li, Feng Kong, Jiantao Liang
Summary: The preoperative prediction of the location of the facial nerve using diffusion tensor imaging-fiber tracking in vestibular schwannoma has been shown to be reliable, but its impact on long-term facial nerve function remains unclear. Larger studies, particularly prospective randomized controlled trials focusing on long-term functional preservation of the facial nerve, are needed to further verify these results.
WORLD NEUROSURGERY
(2021)
Article
Computer Science, Interdisciplinary Applications
Benedetta Franceschiello, Tommaso Di Noto, Alexia Bourgeois, Micah M. Murray, Astrid Minier, Pierre Pouget, Jonas Richiardi, Paolo Bartolomeo, Fabio Anselmi
Summary: This study introduces new methods for preprocessing and classifying eye-movement trajectories in patients with neglect syndrome. Machine learning models performed well in distinguishing neglect patients from healthy individuals, and their scores correlated with the severity of neglect behavior and the integrity of white matter tracts.
COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE
(2022)
Article
Clinical Neurology
Si-ping Luo, Fan-fan Chen, Han-wen Zhang, Fan Lin, Guo-dong Huang, Yi Lei
Summary: This study used DSI to quantitatively study the changes in the trigeminal cistern segment in patients with TN and found significant reductions in quantitative parameters on the affected side compared to the unaffected side. DSI, with its high-resolution fiber tracking technology, can provide valuable information about the integrity of trigeminal white matter in TN patients.
FRONTIERS IN NEUROLOGY
(2022)
Editorial Material
Medicine, General & Internal
Giulio Vara, Gianmarco Tuzzato, Giuseppe Bianchi, Marco Miceli, Luca Spinardi, Rita Golfieri, Raffaella Rinaldi, Giancarlo Facchini
Summary: Brachial plexus injuries are commonly diagnosed clinically, and diffusion tensor imaging (DTI) shows promise in studying peripheral nerves. Deterministic fiber tracking and multishell acquisition are novel advances in the field.
Article
Geriatrics & Gerontology
Lavinia A. Barlescu, Hans-Peter Mueller, Ingo Uttner, Albert C. Ludolph, Elmar H. Pinkhardt, Hans-Juergen Huppertz, Jan Kassubek
Summary: The study investigated regional white matter alterations in PSP and PD patients compared to healthy controls using T1w MRI and DTI data. Significant changes in entropy and homogeneity were observed in CC areas I, II, and III in both PSP and PD patients, with the highest inhomogeneity in area II in the PSP cohort. Receiver operating characteristics curves showed potential for differentiating between PSP and PD with areas under the curve values of 0.86, 0.72, and 0.69, respectively.
FRONTIERS IN AGING NEUROSCIENCE
(2021)
Article
Oncology
Yifan Yuan, Tianming Qiu, Shin Tai Chong, Sanford Pin-Chuan Hsu, Ying-Hua Chu, Yi-Cheng Hsu, Geng Xu, Yu-Ting Ko, Kuan-Tsen Kuo, Zixiao Yang, Wei Zhu, Ching-Po Lin, Jianping Song
Summary: Cerebral neoplasms can lead to neuro-functional deficits, and novel tracking technology like DTI combined with intraoperative navigation can help achieve maximum resection and minimize neurological deficit. The development of user-friendly software can automate the segmentation and reconstruction of functionally active areas to facilitate precise surgery.
FRONTIERS IN ONCOLOGY
(2023)
Review
Clinical Neurology
Filipp M. Filippopulos, Christian Brem, Klaus Seelos, Thomas Koeglsperger, Stefan Sonnenfeld, Lars Kellert, Christian Vollmar
Summary: This study reviews the historical and current literature of crossing pathologies of the corticospinal tract (CST) and presents a rare case of asymmetric crossing of the CST in healthy humans. While descriptions of CST crossing pathologies are rare in healthy individuals, they appear to be more common in genetic disorders.
EUROPEAN JOURNAL OF NEUROLOGY
(2021)
Article
Medicine, General & Internal
Weronika Mazur, Malgorzata Urbanczyk-Zawadzka, Robert Banys, Rafal Obuchowicz, Mariusz Trystula, Artur T. Krzyzak
Summary: This study applied BSD-DTI method to perform diffusion tensor imaging for PAD, utilizing a new DTI technique to evaluate diffusion changes in calf muscles. By adjusting scanning parameters and calibrating using the BSD method, systematic errors were effectively reduced, allowing for high-resolution scans in a short period of time.
Article
Neurosciences
Ann-Katrin Ohlerth, Roelien Bastiaanse, Chiara Negwer, Nico Sollmann, Severin Schramm, Axel Schroeder, Sandro M. Krieg
Summary: Visualization of functionally significant subcortical white matter fibers is essential in neurosurgery to protect language networks. Different language tasks can impact mapping and tracking processes, with Action Naming task ROIs showing advantages in visualizing lexico-semantic tracts in the ventral stream.
FRONTIERS IN HUMAN NEUROSCIENCE
(2021)
Article
Medicine, General & Internal
Simin Zhang, Xiaorui Su, Graham J. Kemp, Xibiao Yang, Xinyue Wan, Qiaoyue Tan, Qiang Yue, Qiyong Gong
Summary: In this study, researchers used probabilistic fiber tracking and cluster analysis to investigate the inter-focal connectivity relationships of multiple gliomas. They found that there are two distinct patterns of white matter connection in multiple gliomas: one with smaller connectivity that tends to have independent origins, and one with greater connectivity that tends to share a common origin and spread along white matter tracts. These findings are important for developing personalized therapeutic strategies for multiple gliomas.
JOURNAL OF CLINICAL MEDICINE
(2022)
Letter
Clinical Neurology
Markus Gschwind, Barbora Zima, Krassen Nedeltchev, Pieter van Mierlo, Stephan Rueegg
JOURNAL OF CLINICAL NEUROLOGY
(2022)
Article
Clinical Neurology
Philippe Reymond, Olivier Brina, Gaurav Girdhar, Oscar Bolanos, Karl-Olof Lovblad, Paolo Machi
Summary: The purpose of this study was to evaluate the performance of several commercially available large bore aspiration catheters (ACs) in an experimental set up. Results showed that React 71 and Sofia 6 had lower trackability force, while Jet 7 had the highest internal diameter and aspiration flow rate. The data can assist clinicians in selecting the appropriate AC and emphasize the importance of key performance criteria for next-generation large-bore ACs.
JOURNAL OF NEURORADIOLOGY
(2023)
Article
Neurosciences
Tomas Ros, Abele Michela, Anais Mayer, Anne Bellmann, Philippe Vuadens, Victorine Zermatten, Arnaud Saj, Patrik Vuilleumier
Summary: This study utilizes EEG source imaging to uncover differences in resting-state network organization in stroke-induced hemineglect patients and highlights the relationship between symptom severity and brain network organization. The findings suggest that EEG signals could be sensitive markers for the study and rehabilitation of hemineglect.
NETWORK NEUROSCIENCE
(2022)
Article
Psychology, Clinical
Marco Schlosser, Thorsten Barnhofer, Florence Requier, Yacila Deza-Araujo, Oussama Abdoun, Natalie L. Marchant, Gael Chetelat, Fabienne Collette, Olga M. Klimecki, Antoine Lutz
Summary: This study aims to investigate whether a theory-based taxonomy of meditation-related mechanisms can be used to create psychometrically sound composite scores. The results from three independent samples suggest that the three composite scores, reflecting attentional, constructive, and deconstructive practices, have adequate psychometric properties. This study provides preliminary support for using a theoretical model to create meaningful and reliable composite scores for meditation-related mechanisms.
Review
Psychology, Clinical
Aurore Fernandez, Leah Urwicz, Patrik Vuilleumier, Chantal Berna
Summary: This article reviews the literature on the effects of hypnosis on psychophysiological measures of autonomic nervous system activity and the stress/relaxation response. The results, based on 49 studies with 1315 participants, suggest that hypnosis leads to reductions in sympathetic responses and/or increases in parasympathetic tone. The article also highlights methodological limitations and suggests future directions for research.
AMERICAN JOURNAL OF CLINICAL HYPNOSIS
(2022)
Article
Behavioral Sciences
Monika Riegel, Marek Wypych, Malgorzata Wierzba, Michal Szczepanik, Katarzyna Jednorog, Patrik Vuilleumier, Artur Marchewka
Summary: This study investigates the effects of emotion schema congruency and emotion category on associative memory, using a face-word pair association paradigm combined with fMRI and eye-tracking techniques. The results show that congruency with emotion schemas enhances memory retrieval, with different effects observed for different emotion categories. This suggests a role for semantic processing and visual attention processes in the modulation of memory by disgust and fear.
Article
Clinical Neurology
Jatta Berberat, Achmed Pircher, Philipp Gruber, Karl-Olof Lovblad, Luca Remonda, Hanspeter Esriel Killer
Summary: The aim of this study was to compare the cerebrospinal fluid (CSF) flow rates between patients with idiopathic intracranial hypertension (IIH) and papilledema (PE) and healthy controls using diffusion-weighted MRI. The results showed that the CSF flow velocity was decreased in patients with IIH with PE compared to healthy controls, suggesting a potential involvement of reduced CSF flow in the pathophysiology of PE in IIH.
FRONTIERS IN NEUROLOGY
(2022)
Article
Clinical Neurology
Roman F. Sztajzel, Stefan T. Engelter, Leo H. Bonati, Marie-Luise Mono, Agnieska Slezak, Rebekka Kurmann, Krassen Nedeltchev, Henrik Gensicke, Christopher Traenka, Ralf W. Baumgartner, Christophe Bonvin, Lorenz Hirt, Friedrich Medlin, Annika Burow, Georg Kaegi, Monika Kapauer, Jochen Vehoff, Karl O. Lovblad, Francois Curtin, Philippe A. Lyrer
Summary: This study aimed to determine the prognostic value of plaque surface echogenicity alone or combined with degree of stenosis for ischemic stroke or transitory ischemic attack (TIA). The results showed that a high proportion of low echogenicity on the surface of the plaque was strongly predictive of stroke or TIA occurrence, regardless of the degree of stenosis. These findings can help clinicians assess the risk and take preventive measures for adverse events in patients with carotid stenosis.
JOURNAL OF NEUROIMAGING
(2022)
Review
Medicine, General & Internal
Maria Teresa Gentile, Gianluca Muto, Giacomo Lus, Karl-Olof Lovblad, Asa Fex Svenningsen, Luca Colucci-D'Amato
Summary: This article reviews the role of angiogenesis in the onset and development of multiple sclerosis, including the molecular mechanisms, current therapeutic approaches, and potential therapeutic strategies with natural compounds as multi-target drugs with neuroprotective and anti-angiogenic properties.
JOURNAL OF CLINICAL MEDICINE
(2022)
Letter
Clinical Neurology
E. Schegk, I. Beiser, L. Achtnichts, K. Nedeltchev, M. Bertschi, M. Gschwind
JOURNAL OF NEUROLOGY
(2023)
Editorial Material
Clinical Neurology
Myriam Edjlali-Goujon, Karl-Olof Loevblad
JOURNAL OF NEURORADIOLOGY
(2023)
Biographical-Item
Clinical Neurology
I. Wanke, K. O. Lovblad, L. Remonda
AMERICAN JOURNAL OF NEURORADIOLOGY
(2023)
Article
Clinical Neurology
Giannina R. Iannotti, Isaure Nadin, Vladimira Ivanova, Quentin Tourdot, Agustina M. Lascano, Shahan Momjian, Karl L. Schaller, Karl O. Lovblad, Frederic Grouiller
Summary: This study validates the use of functional arterial spin-labeling (ASL) as a noninvasive tool for presurgical functional brain mapping. The results show that functional ASL is more spatially accurate than blood oxygen level?dependent (BOLD) imaging when compared to transcranial magnetic stimulation, making it a valuable supplementary technique for presurgical mapping.
AMERICAN JOURNAL OF NEURORADIOLOGY
(2023)
Biographical-Item
Clinical Neurology
Isabel Wanke, Karl-Olof Lovblad, Harald Grossmann, Claudio L. A. Bassetti, Luca Remonda
Article
Cell Biology
Sebastian Baez-Lugo, Yacila Deza-Araujo, Christel Maradan, Fabienne Collette, Antoine Lutz, Natalie L. Marchant, Gael Chetelat, Patrik Vuilleumier, Olga Klimecki
Summary: Basic emotional functions appear intact in older adults, but their response to and recovery from negative social events are not well understood. The researchers used a 'task-rest' paradigm and functional MRI to investigate the neural dynamics of empathy-related functions in older adults. They found that emotional elicitation during the task enhanced resting-state connectivity between the default mode network and amygdala in older adults, and this connectivity was associated with higher anxiety, rumination, and negative thoughts.
Article
Behavioral Sciences
Andrea Gajardo-Vidal, Maxime Montembeault, Diego L. Lorca-Puls, Abigail E. Licata, Rian Bogley, Sabrina Erlhoff, Buddhika Ratnasiri, Zoe Ezzes, Giovanni Battistella, Elena Tsoy, Christa Watson Pereira, Jessica Deleon, Boon Lead Tee, Maya L. Henry, Zachary A. Miller, Katherine P. Rankin, Maria Luisa Mandelli, Katherine L. Possin, Maria Luisa Gorno-Tempini
Summary: This study investigates the potential differences in processing speed and neural correlates among the three variants of Primary Progressive Aphasia (PPA). The findings reveal that non-verbal cognitive abilities, such as processing speed, are significantly impacted in nfvPPA and lvPPA patients compared to healthy controls and svPPA patients. Neuroimaging results confirm the importance of fronto-parietal regions associated with processing speed and executive control.
Article
Behavioral Sciences
Holger Wiese, Tsvetomila Popova, Maya Schipper, Deni Zakriev, Mike Burton, Andrew W. Young
Summary: Previous experiments have shown that brief exposure to unfamiliar individuals leads to the formation of new facial representations, which undergo changes and consolidation within the first day after learning.
Article
Behavioral Sciences
Astrid Prochnow, Xianzhen Zhou, Foroogh Ghorbani, Paul Wendiggensen, Veit Roessner, Bernhard Hommel, Christian Beste
Summary: Individuals organize events in their environment by partitioning them into discrete units. This study reveals that the neural activity in the brain plays a critical role in this process, reflecting the key elements of event segmentation.
Article
Behavioral Sciences
Zhenzhen Huo, Zhiyi Chen, Rong Zhang, Junye Xu, Tingyong Feng
Summary: Procrastination has adverse effects on personal growth and social development. Reward sensitivity is positively correlated with procrastination. This study used VBM and RSFC analyses to investigate the neural substrates underlying the association between reward sensitivity and procrastination. The results showed that the functional connectivity of the right parahippocampal gyrus-precuneus mediated the relationship between reward sensitivity and procrastination.
Article
Behavioral Sciences
Stefano Lasaponara, Gabriele Scozia, Silvana Lozito, Mario Pinto, David Conversi, Marco Costanzi, Tim Vriens, Massimo Silvetti, Fabrizio Doricchi
Summary: Cholinergic (Ach), Noradrenergic (NE), and Dopaminergic (DA) pathways are crucial in regulating spatial attention and determining inter-individual differences in temperamental traits. This study found that temperamental traits predict individual differences in the ability to orient spatial attention based on the probabilistic association between cues and targets. These findings highlight the importance of considering temperamental and personality traits in social and professional environments where attention control is essential.
Article
Behavioral Sciences
Darren J. Yeo, Courtney Pollack, Benjamin N. Conrad, Gavin R. Price
Summary: The processing of numerals as visual objects is supported by an Inferior Temporal Numeral Area (ITNA) in the bilateral inferior temporal gyri (ITG). Extant findings suggest some degree of hemispheric asymmetry in how the bilateral ITNAs process numerals. The study found that digit sensitivity did not differ between ITNAs, and digit sensitivity in both left and right ITNAs was associated with calculation skills. The study also revealed a right lateralization in engagement in alphanumeric categorization, and that the right ITNA showed greater discriminability between digits and letters.
Review
Behavioral Sciences
Beste Gulsuna, Abuzer Gungor, Alp O. Borcer, Ugur Ture
Summary: The fiber dissection technique has been used to study the internal structures of the brain, with less focus on white matter. The sagittal stratum, a white matter structure, has not received enough attention and has been a subject of controversy. Recent studies suggest potential functions of the sagittal stratum, emphasizing the importance of understanding this structure accurately.
Article
Behavioral Sciences
Nora Geiser, Brigitte Charlotte Kaufmann, Samuel Elia Johannes Knobel, Dario Cazzoli, Tobias Nef, Thomas Nyffeler
Summary: This study compared the effects of auditory and visual motion stimulation on spatial neglect and found that both interventions were equally effective in improving neglect. Multimodal motion stimulation also improved neglect, but did not show greater improvement than unimodal auditory or visual motion stimulation alone.
Article
Behavioral Sciences
Anna E. Hughes, Anna Nowakowska, Alasdair D. F. Clarke
Summary: This study examines the relationship between search slopes and search efficiency in visual search tasks, introduces the Target Contrast Signal (TCS) Theory, and extends it to a Bayesian multi-level framework. The findings demonstrate that TCS can predict data well, but distinguishing between contrast combination models proves to be difficult.