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Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology

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https://www.readbyqxmd.com/read/29342440/the-critical-warning-sign-of-real-time-brainstem-auditory-evoked-potentials-during-microvascular-decompression-for-hemifacial-spasm
#1
Sang-Ku Park, Byung-Euk Joo, Seunghoon Lee, Jeong-A Lee, Jeong-Ho Hwang, Doo-Sik Kong, Dae-Won Seo, Kwan Park, Hoon-Taek Lee
OBJECTIVE: The aim of this study was to define the critical warning sign of real-time brainstem auditory evoked potential (BAEP) for predicting hearing loss (HL) after microvascular decompression (MVD) for hemifacial spasm (HFS). METHODS: Nine hundred and thirty-two patients with HFS who underwent MVD with intraoperative monitoring (IOM) of BAEP were analyzed. We used a 43.9 Hz/s stimulation rate and 400 averaging trials to obtain BAEP. To evaluate HL, pure-tone audiometry and speech discrimination scoring were performed before and one week after surgery...
January 4, 2018: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29343414/oxaliplatin-and-neuropathy-a-role-for-sodium-channels
#2
EDITORIAL
Susanna B Park, Matthew C Kiernan
No abstract text is available yet for this article.
December 28, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29325857/prospective-advances-in-fetal-biomagnetometry-challenges-remain
#3
LETTER
E A Popescu, K M Gustafson
No abstract text is available yet for this article.
December 28, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29307450/reply-to-prospective-advances-in-fetal-biomagnetometry-challenges-remain
#4
LETTER
Yoshio Okada, Seok Lew, Matti Hämäläinen
No abstract text is available yet for this article.
December 28, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29343415/paradigms-for-restoration-of-somatosensory-feedback-via-stimulation-of-the-peripheral-nervous-system
#5
REVIEW
Cristian Pasluosta, Patrick Kiele, Thomas Stieglitz
The somatosensory system contributes substantially to the integration of multiple sensor modalities into perception. Tactile sensations, proprioception and even temperature perception are integrated to perceive embodiment of our limbs. Damage of somatosensory networks can severely affect the execution of daily life activities. Peripheral injuries are optimally corrected via direct interfacing of the peripheral nerves. Recent advances in implantable devices, stimulation paradigms, and biomimetic sensors enabled the restoration of natural sensations after amputation of the limb...
December 27, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29325858/can-clinical-neurophysiology-assist-in-patient-selection-for-dbs-in-pediatric-dystonia
#6
EDITORIAL
Stephen Tisch
No abstract text is available yet for this article.
December 24, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29317192/abnormal-cortical-brain-integration-of-somatosensory-afferents-in-als
#7
Sina Sangari, Alain Giron, Guillaume Marrelec, Pierre-François Pradat, Véronique Marchand-Pauvert
OBJECTIVES: Infraclinical sensory alterations have been reported at early stages of amyotrophic lateral sclerosis (ALS). While previous studies mainly focused on early somatosensory evoked potentials (SEPs), late SEPs, which reflect on cortical pathways involved in cognitive-motor functions, are relatively underinvestigated. Early and late SEPs were compared to assess their alterations in ALS. METHODS: Median and ulnar nerves were electrically stimulated at the wrist, at 9 times the perceptual threshold, in 21 ALS patients without clinical evidence of sensory deficits, and 21 age- and gender-matched controls...
December 24, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29307451/sleep-patterns-associated-with-the-severity-of-impairment-in-a-large-cohort-of-patients-with-chronic-disorders-of-consciousness
#8
Davide Rossi Sebastiano, Elisa Visani, Ferruccio Panzica, Davide Sattin, Anna Bersano, Anna Nigri, Stefania Ferraro, Eugenio Parati, Matilde Leonardi, Silvana Franceschetti
OBJECTIVE: We assessed sleep patterns in 85 patients with chronic disorders of consciousness (DOC) in order to reveal any relationship with the degree of the impairment. METHODS: Nocturnal polysomnography (PSG) was scored in patients classified as being in an unresponsive wakefulness syndrome/vegetative state (UWS/VS; n = 49) or a minimally conscious state (MCS; n = 36) in accordance with the rules of the American Academy of Sleep Medicine. The PSG data in the two diagnostic groups were compared, and the PSG parameters associated with the degree of impairment were analysed...
December 24, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29306848/intraoperative-cortico-cortical-evoked-potentials-show-disconnection-of-the-motor-cortex-from-the-epileptogenic-network-during-subtotal-hemispherotomy
#9
LETTER
Takeshi Inoue, Hisashi Kawawaki, Masataka Fukuoka, Kiyohiro Kim, Megumi Nukui, Ichiro Kuki, Shin Okazaki, Saya Koh, Noritsugu Kunihiro, Takehiro Uda, Yasuhiro Matsusaka, Masao Matsuhashi, Yasushi Iimura, Hiroshi Otsubo
No abstract text is available yet for this article.
December 23, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29305208/vestibulo-cochlear-function-in-inflammatory-neuropathies
#10
Marisa Blanquet, Jens A Petersen, Antonella Palla, Dorothe Veraguth, Konrad P Weber, Dominik Straumann, Alexander A Tarnutzer, Hans H Jung
OBJECTIVE: We aimed to quantify peripheral-vestibular deficits that may contribute to imbalanced stance/gait in patients with inflammatory neuropathies. METHODS: Twenty-one patients (58 ± 15 y [mean age ± 1SD]; chronic-inflammatory-demyelinating-polyneuropathy = 10, Guillain-Barré Syndrome = 5, Anti-MAG peripheral neuropathy = 2, multifocal-motor-neuropathy = 4) were compared with 26 healthy controls. All subjects received video-head-impulse testing (vHIT), caloric irrigation and cervical/ocular vestibular-evoked myogenic-potentials (VEMPs)...
December 20, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29304418/cortical-sources-of-resting-state-electroencephalographic-rhythms-probe-brain-function-in-na%C3%A3-ve-hiv-individuals
#11
Claudio Babiloni, Giuseppe Noce, Alfredo Pennica, Paolo Onorati, Paolo Capotosto, Claudio Del Percio, Paolo Roma, Valentina Correr, Elisa Piccinni, Ginevra Toma, Andrea Soricelli, Francesco Di Campli, Laura Gianserra, Lorenzo Ciullini, Antonio Aceti, Elisabetta Teti, Loredana Sarmati, Gloria Crocetti, Raffaele Ferri, Valentina Catania, Maria Teresa Pascarelli, Massimo Andreoni, Stefano Ferracuti
OBJECTIVE: Here we evaluated the hypothesis that resting state electroencephalographic (EEG) cortical sources correlated with cognitive functions and discriminated asymptomatic treatment-naïve HIV subjects (no AIDS). METHODS: EEG, clinical, and neuropsychological data were collected in 103 treatment-naïve HIV subjects (88 males; mean age 39.8 years ± 1.1 standard error of the mean, SE). An age-matched group of 70 cognitively normal and HIV-negative (Healthy; 56 males; 39...
December 20, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29304417/spectral-and-temporal-electroencephalography-measures-reveal-distinct-neural-networks-for-the-acquisition-consolidation-and-interlimb-transfer-of-motor-skills-in-healthy-young-adults
#12
M P Veldman, N M Maurits, M A M Nijland, N E Wolters, J C Mizelle, T Hortobágyi
OBJECTIVE: Plasticity of the central nervous system likely underlies motor learning. It is however unclear, whether plasticity in cortical motor networks is motor learning stage-, activity-, or connectivity-dependent. METHODS: From electroencephalography (EEG) data, we quantified effective connectivity by the phase slope index (PSI), neuronal activity by event-related desynchronization, and sensorimotor integration by N30 during the stages of visuomotor skill acquisition, consolidation, and interlimb transfer...
December 20, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29331647/the-implant-effect-after-intracranial-electrode-placement-is-transient-clinical-improvement-explained-by-post-implantation-electrophysiological-changes
#13
EDITORIAL
Bassel Abou-Khalil, Antonio Valentin
No abstract text is available yet for this article.
December 19, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29305207/spatial-versus-temporal-inhibition-in-dystonia
#14
EDITORIAL
Robert Chen
No abstract text is available yet for this article.
December 19, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29304419/abnormal-somatosensory-temporal-discrimination-in-parkinson-s-disease-pathophysiological-correlates-and-role-in-motor-control-deficits
#15
Myung Sik Lee, Myung Jun Lee, Antonella Conte, Alfredo Berardelli
OBJECTIVE: The somatosensory temporal discrimination threshold (STDT), defined as the shortest time interval required for two tactile stimuli to be perceived as separate, is longer in patients with Parkinson's disease (PD). In this review, we discuss STDT findings in healthy subjects and in PD patients and the relationship between altered STDT and motor disturbances. METHODS: A search was conducted on PubMed for papers dealing with PD and temporal discrimination published from January 1990 to July 2017...
December 13, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29294412/diminished-eeg-habituation-to-novel-events-effectively-classifies-parkinson-s-patients
#16
James F Cavanagh, Praveen Kumar, Andrea A Mueller, Sarah Pirio Richardson, Abdullah Mueen
OBJECTIVES: We aimed to test if EEG responses to novel events reliably dissociated individuals with Parkinson's disease and controls, and if this dissociation was sensitive and specific enough to be a candidate biomarker of cognitive dysfunction in Parkinson's disease. METHODS: Participants included N = 25 individuals with Parkinson's disease and an equal number of well-matched controls. EEG was recorded during a three-stimulus auditory oddball paradigm both ON and OFF medication...
December 13, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29289442/the-problem-of-lack-of-normative-data-in-paediatric-emg-and-possible-solutions
#17
Matthew C Pitt, Joe Jabre
No abstract text is available yet for this article.
December 13, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29288990/diaphragm-motor-responses-to-phrenic-nerve-stimulation-in-als-surface-and-needle-recordings
#18
Mamede de Carvalho, Susana Pinto, Michael Swash
OBJECTIVE: In studies of phrenic nerve (PN) conduction in amyotrophic lateral sclerosis (ALS) both motor response amplitude and latency have been reported as abnormal. However, correlation with diaphragm motor unit loss, and with diaphragmatic function has not been fully evaluated. METHODS: We studied 83 patients with ALS, and 21 patients referred with clinically suspected phrenic nerve lesions whose studies were normal. PN responses elicited by percutaneous electrical stimulation in the neck were recorded using superficial electrodes placed at the surface markings of the diaphragm on the chest wall, and a concentric needle electrode inserted into the diaphragmatic costal fibres...
December 13, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29279190/non-invasive-brain-stimulation-and-neuro-enhancement-in-aging
#19
EDITORIAL
Carl-Johan Boraxbekk
No abstract text is available yet for this article.
December 13, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29311009/cortical-inhibitory-function-in-cervical-dystonia
#20
Christos Ganos, Elisa R Ferrè, Angela Marotta, Panagiotis Kassavetis, John Rothwell, Kailash P Bhatia, Patrick Haggard
OBJECTIVE: To assess the specificity of cortical inhibitory deficits in cervical dystonia patients. METHODS: A systematic test battery was developed to assess spatial and temporal aspects of cortical inhibition, in motor and somatosensory systems of the hand. We tested 17 cervical dystonia (CD) patients and 19 controls assessing somatosensory spatial inhibition (grating orientation test, interdigital feedforward subliminal inhibition), somatosensory temporal inhibition (temporal discrimination threshold, feedforward subliminal inhibition), motor spatial inhibition (surround inhibition), and motor temporal inhibition (short interval intracortical inhibition)...
December 1, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
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