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Affective neurophysiology

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https://www.readbyqxmd.com/read/28548479/insular-gliomas-a-surgical-reappraisal-based-on-a-systematic-review-of-the-literature
#1
Domenico Murrone, Rodolfo Maduri, Afif Afif, Domenico Chirchiglia, Isabelle Pelissou-Guyotat, Jacques Guyotat, Francesco Signorelli
INTRODUCTION: Insular gliomas are heterogeneous lesions whose management presents multiple challenges for their tendency to affect young patients in good neurological and cognitive conditions, their deep anatomic location and proximity with critical functional and vascular structures. The appropriate management of insular gliomas requires a multidisciplinary evidence-centred teamwork grounded on the best anatomic, neurophysiological and oncological knowledge. The present study provides a reappraisal of the management of insular gliomas based on a systematic review of the literature with the aim of guiding clinicians in the management of such tumors...
May 25, 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28540863/objective-quality-assessment-of-stereoscopic-images-with-vertical-disparity-using-eeg
#2
Forooz Shahbazi Avarvand, Sebastian Bosse, Klaus-Robert Müller, Ralf Schäfer, Guido Nolte, Thomas Wiegand, Gabriel Curio, Wojciech Samek
OBJECTIVE: Neurophysiological correlates of vertical disparity in 3D images are studied in an objective approach using EEG technique. These disparities are known to negatively affect the quality of experience and to cause visual discomfort in stereoscopic visualizations. APPROACH: We have presented four conditions to subjects: one in 2D and three conditions in 3D, one without vertical disparity and two with different vertical disparity levels. Event related potentials (ERPs) are measured for each condition and the differences between ERP components are studied...
May 25, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28539913/herpes-simplex-virus-type-2-myelitis-case-report-and-review-of-the-literature
#3
Raffaele Nardone, Viviana Versace, Francesco Brigo, Frediano Tezzon, Giulio Zuccoli, Slaven Pikija, Larissa Hauer, Johann Sellner
Non-traumatic myelopathies can result from a wide spectrum of conditions including inflammatory, ischemic, and metabolic disorders. Here, we describe the case of a 60-year old immunocompetent woman who developed acute back pain followed by rapidly ascending flaccid tetraparesis, a C6 sensory level, and sphincter dysfunction within 8 h. Acyclovir and steroids were started on day 2 and herpes simplex virus type 2 (HSV-2) was confirmed by polymerase chain reaction in cerebrospinal fluid. Magnetic resonance imaging revealed a bilateral anterior horn tractopathy expanding from C2 to T2 and cervicothoracic cord swelling...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28539912/using-brain-oscillations-and-corticospinal-excitability-to-understand-and-predict-post-stroke-motor-function
#4
Aurore Thibaut, Marcel Simis, Linamara Rizzo Battistella, Chiara Fanciullacci, Federica Bertolucci, Rodrigo Huerta-Gutierrez, Carmelo Chisari, Felipe Fregni
What determines motor recovery in stroke is still unknown and finding markers that could predict and improve stroke recovery is a challenge. In this study, we aimed at understanding the neural mechanisms of motor function recovery after stroke using neurophysiological markers by means of cortical excitability (transcranial magnetic stimulation-TMS) and brain oscillations (electroencephalography-EEG). In this cross-sectional study, 55 subjects with chronic stroke (62 ± 14 yo, 17 women, 32 ± 42 months post-stroke) were recruited in two sites...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28533625/beneficial-effect-of-interventional-exercise-on-autistic-fragile-x-syndrome
#5
REVIEW
Seunghoon Lee, Jinyoung Won, Sookyoung Park, Sang-Rae Lee, Kyu-Tae Chang, Joo-Heon Kim, Yonggeun Hong
[Purpose] The purpose of the present review is to discuss recent published articles in the understanding of efficacy of interventional exercise on autistic Fragile X syndrome (FXS) with special emphasis on its significance in clinical application in patients. [Methods] This review article was identified scientifically and/or clinically relevant articles from PubMed that directly/indirectly met the inclusion criteria. [Results] Mutation of fragile X mental retardation 1 (fmr1) gene on the X chromosome is related with loss of fragile X mental retardation protein (FMRP) that affecting physiological and behavioral abnormalities...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28532464/neurorehabilitation-in-upper-limb-amputation-understanding-how-neurophysiological-changes-can-affect-functional-rehabilitation
#6
REVIEW
Lewis A Wheaton
BACKGROUND: Significant advances have been made in developing new prosthetic technologies with the goal of restoring function to persons that suffer partial or complete loss of the upper limb. Despite these technological advances, many challenges remain in understanding barriers in patient adoption of technology, and what critical factors should be of focus in prosthetics development from a motor control perspective. This points to a potential opportunity to improve our understanding of amputation using neurophysiology and plasticity, and integrate this knowledge into the development of prosthetics technology in novel ways...
May 22, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28528962/which-brain-networks-related-to-art-perception-are-we-talking-about-comment-on-move-me-astonish-me%C3%A2-delight-my-eyes-and-brain-the-vienna-integrated-model-of-top-down-and-bottom-up-processes-in-art-perception-vimap-and-corresponding-affective-evaluative-and
#7
https://www.readbyqxmd.com/read/28526324/on-viewer-motivation-unit-of-analysis-and-the-vimap-comment-on-move-me-astonish-me-delight-my-eyes-and-brain-the-vienna-integrated-model-of-top-down-and-bottom-up-processes-in-art-perception-vimap-and-corresponding-affective-evaluative-and-neurophysiological
#8
https://www.readbyqxmd.com/read/28511129/neurophysiological-and-clinical-outcomes-in-chemotherapy-induced-neuropathy-in-cancer
#9
REVIEW
Tejaswi Kandula, Michelle A Farrar, Matthew C Kiernan, Arun V Krishnan, David Goldstein, Lisa Horvath, Peter Grimison, Frances Boyle, Sally Baron-Hay, Susanna B Park
Chemotherapy induced peripheral neuropathy (CIPN) is a significant toxicity of cancer treatment, with the potential to affect long-term function and quality of life in cancer survivors. There remains a lack of consensus around optimal assessment techniques. While current approaches to CIPN assessment are focused on clinical grading scales, it is becoming increasingly evident that a more comprehensive multimodal assessment package is necessary to accurately characterise the impact of CIPN as well as gauge the utility of neuroprotective mechanisms...
April 25, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28511127/neurophysiology-of-synaptic-functioning-in-multiple-sclerosis
#10
REVIEW
Mario Stampanoni Bassi, Francesco Mori, Fabio Buttari, Girolama A Marfia, Andrea Sancesario, Diego Centonze, Ennio Iezzi
Multiple sclerosis (MS) is an inflammatory immune-mediate disorder of the central nervous system (CNS), primarily affecting the myelin sheath and followed by neurodegeneration. Synaptic alterations are emerging as critical determinants of early neurodegeneration in MS. Inflammation-induced alterations of synaptic transmission and plasticity have been investigated in vitro and also in human MS using transcranial magnetic stimulation (TMS) techniques. Specific inflammatory cytokines alter glutamatergic and GABAergic transmission, resulting in synaptic hyperexcitability...
April 24, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28505262/the-basal-ganglia-striosomes-affect-the-modulation-of-conflicts-by-subliminal-information-evidence-from-x-linked-dystonia-parkinsonism
#11
Christian Beste, Moritz Mückschel, Raymond Rosales, Aloysius Domingo, Lillian Lee, Arlene Ng, Christine Klein, Alexander Münchau
Cognitive control is relevant when distracting information induces behavioral conflicts. Such conflicts can be produced consciously and by subliminally processed information. Interestingly, both sources of conflict interact suggesting that they share neural mechanisms. Here, we ask whether conjoint effects between different sources of conflict are modulated by microstructural basal ganglia dysfunction. To this end, we carried out an electroencephalography study and examined event-related potentials (ERPs) including source localization using a combined flanker-subliminal priming task in patients with X-linked dystonia Parkinsonism (XDP) and a group of healthy controls...
May 13, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28487642/resting-state-neurophysiological-abnormalities-in-posttraumatic-stress-disorder-a-magnetoencephalography-study
#12
Amy S Badura-Brack, Elizabeth Heinrichs-Graham, Timothy J McDermott, Katherine M Becker, Tara J Ryan, Maya M Khanna, Tony W Wilson
Posttraumatic stress disorder (PTSD) is a debilitating psychiatric condition that is common in veterans returning from combat operations. While the symptoms of PTSD have been extensively characterized, the neural mechanisms that underlie PTSD are only vaguely understood. In this study, we examined the neurophysiology of PTSD using magnetoencephalography (MEG) in a sample of veterans with and without PTSD. Our primary hypothesis was that veterans with PTSD would exhibit aberrant activity across multiple brain networks, especially those involving medial temporal and frontal regions...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28486223/novel-unbalanced-translocations-affecting-the-long-arms-of-chromosomes-10-and-22-cause-complex-syndromes-with-very-severe-neurodevelopmental-delay-speech-impairment-autistic-behavior-and-epilepsy
#13
Emanuele G Coci, Andrea Auhuber, Anna Langenbach, Kristin Mrasek, Joachim Riedel, Andreas Leenen, Thomas Lücke, Thomas Liehr
Isolated abnormalities in terminal regions of chromosomes 10q and 22q were formerly described in patients affected by neuropsychological impairment, abnormal facies, and heterogeneous structural abnormalities of the body. Chromosomes 10q and 22q harbor important genes that play a major role in CNS development, like DOCK1 and SHANK3, and in overall body growth, like FGFR2 and HTRA1. By using clinical, neuroradiological, neurophysiological, and genetic assessment, we studied 3 siblings affected by 2 different forms of very severe neuropsychological impairment with structural physical abnormalities, epilepsy, and body overgrowth...
May 10, 2017: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/28485884/altered-sensorimotor-cortical-oscillations-in-individuals-with-multiple-sclerosis-suggests-a-faulty-internal-model
#14
David J Arpin, Elizabeth Heinrichs-Graham, James E Gehringer, Rana Zabad, Tony W Wilson, Max J Kurz
Multiple sclerosis (MS) is a demyelinating disease that results in a broad array of symptoms, including impaired motor performance. How such demyelination of fibers affects the inherent neurophysiological activity in motor circuits, however, remains largely unknown. Potentially, the movement errors associated with MS may be due to imperfections in the internal model used to make predictions of the motor output that will meet the task demands. Prior magnetoencephalographic (MEG) and electroencephalographic brain imaging experiments have established that the beta (15-30 Hz) oscillatory activity in the sensorimotor cortices is related to the control of movement...
May 9, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28484297/reliability-feasibility-and-value-of-ecography-in-clinical-functional-results-in-patients-affected-by-carpal-tunnel-syndrome-is-there-a-correlation
#15
Mattia Manni, Michele Bisaccia, Giuseppe Rinonapoli, Andrea Schiavone, Luigi Meccariello, Steven James Mccabe, Olga Bisaccia, Cristina Ibáñez Vicente, Andrea Cappiello, Auro Caraffa
BACKGROUND: The aim of this study was to evaluate how the ultrasound examination in the carpal tunnel diagnosis could contribute to the clinical and neurophysiological evaluation. This was done by evaluating the cross-sectional area (CSA) and its correlation with symptoms and functionality data assessed by the BTQC questionnaire. METHODS: 60 patients were subjected to open CTR for idiopathic carpal tunnel syndrome. The median nerve CSA was assessed both pre-operatively and in follow-up at 4 and 12 weeks...
March 2017: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/28478916/beauty-and-sublime-comment-on-move-me-astonish-me%C3%A2-delight-my-eyes-and-brain-the-vienna-integrated-model-of-top-down-and-bottom-up-processes-in-art-perception-vimap-and-corresponding-affective-evaluative-and-neurophysiological-correlates-by-matthew-pelowski
#16
https://www.readbyqxmd.com/read/28476643/in-vivo-assessment-of-neurological-channelopathies-application-of-peripheral-nerve-excitability-studies
#17
REVIEW
Susan E Tomlinson, James Howells, David Burke
With the rapid evolution of understanding of neurological channelopathies comes a need for sensitive tools to evaluate patients in clinical practice. Neurological channelopathies with a single-gene basis can manifest as seizures, headache, ataxia, vertigo, confusion, weakness and neuropathic pain and it is likely that other genetic factors contribute to the phenotype of many of these disorders. Ion channel dysfunction can result in abnormal cell membrane excitability but utilisation of advanced neurophysiology techniques has lagged behind developments in clinical, genetic and imaging evaluation of channelopathies...
May 2, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28472332/the-spectrum-of-rem-sleep-related-episodes-in-children-with-type-1-narcolepsy
#18
Elena Antelmi, Fabio Pizza, Stefano Vandi, Giulia Neccia, Raffaele Ferri, Oliviero Bruni, Marco Filardi, Gaetano Cantalupo, Rocco Liguori, Giuseppe Plazzi
Type 1 narcolepsy is a central hypersomnia due to the loss of hypocretin-producing neurons and characterized by cataplexy, excessive daytime sleepiness, sleep paralysis, hypnagogic hallucinations and disturbed nocturnal sleep. In children, close to the disease onset, type 1 narcolepsy has peculiar clinical features with severe cataplexy and a complex admixture of movement disorders occurring while awake. Motor dyscontrol during sleep has never been systematically investigated. Suspecting that abnormal motor control might affect also sleep, we systematically analysed motor events recorded by means of video polysomnography in 40 children with type 1 narcolepsy (20 females; mean age 11...
June 1, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28465229/poly-dimensional-network-comparative-analysis-reveals-the-pure-pharmacological-mechanism-of-baicalin-in-the-targeted-network-of-mouse-cerebral-ischemia
#19
Qiong Liu, Jun Liu, Pengqian Wang, Yingying Zhang, Bing Li, Yanan Yu, Haixia Dang, Haixia Li, Xiaoxu Zhang, Zhong Wang
This study aimed to investigate the pure pharmacological mechanisms of baicalin/baicalein (BA) in the targeted network of mouse cerebral ischemia using a poly-dimensional network comparative analysis METHODS: Eighty mice with induced focal cerebral ischemia were randomly divided into four groups: BA, Concha Margaritifera (CM), vehicle and sham group. A poly-dimensional comparative analysis of the expression levels of 374 stroke-related genes in each of the four groups was performed using MetaCore RESULTS: BA significantly reduced the ischemic infarct volume (P <0...
April 29, 2017: Brain Research
https://www.readbyqxmd.com/read/28460823/aesthetic-episodes-domains-and-the-mind-comment-on-move-me-astonish-me-delight-my-eyes-and-brain-the-vienna-integrated-model-of-top-down-and-bottom-up-processes-in-art-perception-vimap-and-corresponding-affective-evaluative-and-neurophysiological-correlates
#20
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