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

https://read.qxmd.com/read/37738899/influence-of-time-of-day-on-resting-motor-threshold-in-clinical-tms-practice
#1
LETTER
Karen Wendt, Majid Memarian Sorkhabi, Jacinta O'Shea, Timothy Denison, Joram van Rheede
No abstract text is available yet for this article.
September 9, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37722986/subjective-cognitive-decline-exhibits-alterations-of-resting-state-phase-amplitude-coupling-in-precuneus
#2
JOURNAL ARTICLE
Chia-Hsiung Cheng, Chun-Che Hung, Yi-Ping Chao, Rui Nouchi, Pei-Ning Wang
OBJECTIVE: Subjective cognitive decline (SCD) is associated with increased risks for progressing to Alzheimer's disease (AD). This study aimed to investigate phase-amplitude coupling (PAC) in individuals with SCD and healthy controls (HCs) in the baseline year and determined the predictability of cognitive changes in the clinical follow-up. METHODS: Resting-state magnetoencephalographic signals in 29 HCs and 23 SCD subjects were recorded in the baseline year. The parahippocampal gyrus, posterior cingulate cortex and precuneus were selected as regions of interest (ROIs)...
September 6, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37734132/excitability-of-somatosensory-cortex-is-increased-in-als-a-sep-recovery-function-study
#3
JOURNAL ARTICLE
Bülent Cengiz, Özlem Kurtkaya Koçak, Tuğba Erdoğan, Ece Yanık, Gökhan Pek, Yusuf Savrun, H Evren Boran, H Reha Kuruoğlu
OBJECTIVE: Neuronal loss in the somatosensory, as well as the motor cortex in amyotrophic lateral sclerosis (ALS), indicative of a structural abnormality has been reported. Previously we have shown that afferent inhibition was impaired in ALS, suggestive of sensory involvement. In this study, we aimed to evaluate excitability changes in the somatosensory cortex of ALS patients. METHODS: ALS patients underwent a paired pulse somatosensory evoked potential (SEP) paradigm at various interstimulus intervals (ISI)...
September 1, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37703608/multimodal-invasive-and-noninvasive-neuroimaging-and-seeg-analyses-prior-to-surgical-treatment-of-mri-negative-occipital-lobe-epilepsy
#4
LETTER
Thandar Aung, Naoki Ikegaya, Lazarus Mayoglou, Jian Li, Jorge A Gonzalez-Martinez
No abstract text is available yet for this article.
September 1, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37690391/monopolar-tdcs-might-affect-brainstem-reflexes-a-computational-and-neurophysiological-study
#5
JOURNAL ARTICLE
Matteo Guidetti, Anna Maria Bianchi, Marta Parazzini, Natale Maiorana, Marta Bonato, Rosanna Ferrara, Giorgia Libelli, Kora Montemagno, Roberta Ferrucci, Alberto Priori, Tommaso Bocci
OBJECTIVE: To assess whether monopolar multi-electrode transcranial direct current stimulation (tDCS) montages might selectively affect deep brain structures through computational predictions and neurophysiological assessment. METHODS: Electric field distribution in deep brain structures (i.e., thalamus and midbrain) were estimated through computational models simulating tDCS with two monopolar and two monopolar multi-electrode montages. Monopolar multi-electrode tDCS was then applied to healthy subject, and effects on pontine and medullary circuitries was evaluated studying changes in blink reflex (BR) and masseter inhibitory reflex (MIR)...
August 29, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37679198/further-insight-into-the-role-of-primary-motor-cortex-in-bradykinesia-pathophysiology
#6
EDITORIAL
Matteo Bologna, Andrea Guerra
No abstract text is available yet for this article.
August 29, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37673016/on-scalp-magnetoencephalography-for-the-diagnostic-evaluation-of-epilepsy-during-infancy
#7
LETTER
Odile Feys, Pierre Corvilain, Julie Bertels, Claudine Sculier, Niall Holmes, Matthew Brookes, Vincent Wens, Xavier De Tiège
No abstract text is available yet for this article.
August 26, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37659884/data-standardization-in-neurophysiology-reaches-a-milestone
#8
EDITORIAL
Benjamin H Brinkmann
No abstract text is available yet for this article.
August 24, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37704552/targeted-density-electrode-placement-achieves-high-concordance-with-traditional-high-density-eeg-for-electrical-source-imaging-in-epilepsy
#9
JOURNAL ARTICLE
A Horrillo-Maysonnial, T Avigdor, C Abdallah, D Mansilla, J Thomas, N von Ellenrieder, J Royer, B Bernhardt, C Grova, J Gotman, B Frauscher
OBJECTIVE: High-density (HD) electroencephalography (EEG) is increasingly used in presurgical epilepsy evaluation, but it is demanding in time and resources. To overcome these issues, we compared EEG source imaging (ESI) solutions with a targeted density and HD-EEG montage. METHODS: HD-EEGs from patients undergoing presurgical evaluation were analyzed. A low-density recording was created by selecting the 25 electrodes of a standard montage from the 83 electrodes of the HD-EEG and adding 8-11 electrodes around the electrode with the highest amplitude interictal epileptiform discharges...
August 23, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37683325/towards-a-better-identification-of-ictal-semiology-patterns-in-insular-epilepsies-a-stereo-eeg-study
#10
JOURNAL ARTICLE
Cristina Filipescu, Elisabeth Landré, Baris Turak, Bertrand Devaux, Francine Chassoux
OBJECTIVE: To describe pure insular ictal semiology and patterns of extra-insular spread demonstrated by stereoelectroencephalography (SEEG) according to a classification based on the insular cytoarchitecture. METHODS: We investigated the ictal semiology in 17 patients undergoing SEEG for insular epilepsy. The insular cortex was divided into three regions roughly overlapping with the agranular, dysgranular and granular regions. Ictal semiology was described accordingly: anterior insula (AI, short anterior and middle gyri), middle insula (MI, short posterior and long anterior gyri) and posterior insula (PI, long posterior gyrus)...
August 22, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37659342/electrically-evoked-auditory-responses-a-classification-for-brainstem-implant-placement-in-neurofibromatosis-type-2
#11
JOURNAL ARTICLE
Cordula Matthies, Laura Zeller, Anja Kurz, Kristen Rak, Rudolf Hagen, Wafaa Shehata-Dieler
OBJECTIVE: In auditory brainstem implant (ABI) surgery, array placement may be optimized by electrophysiological information of adequate brainstem activation gained from electrically evoked auditory brainstem responses (EABR). This study aims 1) to characterize in detail the EABR from ABI implantation, 2) to introduce an EABR Classification Scheme, and 3) to analyze data for their correlation with individual patients' findings. METHODS: Out of a continuous series of 54 patients who received an ABI between 2005 and 2019, 23 Neurofibromatosis Type 2 patients with complete documentation of 154 recordings were selected for offline analysis and for development and evaluation of a new EABR Classification Scheme comprising Class A: three vertex positive peaks, Class B:two peaks, Class C: a combination of one peak and a second melted double peak, Class D: one sole vertex positive peak and Class E: no peaks...
August 20, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37657190/using-fmri-to-localize-target-regions-for-implanted-brain-computer-interfaces-in-locked-in-syndrome
#12
JOURNAL ARTICLE
Sacha Leinders, Mariska J Vansteensel, Giovanni Piantoni, Mariana P Branco, Zac V Freudenburg, Tineke A Gebbink, Elmar G M Pels, Mathijs A H Raemaekers, Anouck Schippers, Erik J Aarnoutse, Nick F Ramsey
OBJECTIVE: Electrocorticography (ECoG)-based brain-computer interface (BCI) systems have the potential to improve quality of life of people with locked-in syndrome (LIS) by restoring their ability to communicate independently. Before implantation of such a system, it is important to localize ECoG electrode target regions. Here, we assessed the predictive value of functional magnetic resonance imaging (fMRI) for the localization of suitable target regions on the sensorimotor cortex for ECoG-based BCI in people with locked-in syndrome...
August 18, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37647834/priming-effects-of-transcutaneous-vagus-nerve-stimulation-on-the-neuromodulation-induced-by-transcranial-static-magnetic-field-stimulation-in-human-motor-cortex
#13
LETTER
Sumiya Shibata, Hirotaka Takahashi, Yu Miida, Tatsuya Mima, Hideaki Onishi
No abstract text is available yet for this article.
August 18, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37633123/prospective-assessment-of-vincristine-induced-peripheral-neuropathy-in-paediatric-acute-lymphoblastic-leukemia
#14
JOURNAL ARTICLE
Tiffany Li, Tejaswi Kandula, Richard J Cohn, Matthew C Kiernan, Susanna B Park, Michelle A Farrar
OBJECTIVE: Vincristine is a mainstay treatment for paediatric cancers, particularly acute lymphoblastic leukemia (ALL), with common toxicity including vincristine-induced peripheral neuropathy (VIPN). The present study comprehensively assessed VIPN outcomes in patients receiving vincristine treatment for ALL. METHODS: Children diagnosed with ALL commencing vincristine treatment were prospectively evaluated (baseline, post-induction, pre-reinduction, post-reinduction, follow-up)...
August 11, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37603979/optimizing-detection-and-deep-learning-based-classification-of-pathological-high-frequency-oscillations-in-epilepsy
#15
JOURNAL ARTICLE
Tonmoy Monsoor, Yipeng Zhang, Atsuro Daida, Shingo Oana, Qiujing Lu, Shaun A Hussain, Aria Fallah, Raman Sankar, Richard J Staba, William Speier, Vwani Roychowdhury, Hiroki Nariai
OBJECTIVE: This study aimed to explore sensitive detection methods for pathological high-frequency oscillations (HFOs) to improve seizure outcomes in epilepsy surgery. METHODS: We analyzed interictal HFOs (80-500 Hz) in 15 children with medication-resistant focal epilepsy who underwent chronic intracranial electroencephalogram via subdural grids. The HFOs were assessed using the short-term energy (STE) and Montreal Neurological Institute (MNI) detectors and examined for spike association and time-frequency plot characteristics...
August 9, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37597265/altered-somatosensory-cortex-activity-in-obesity-a-neurophysiological-study
#16
LETTER
Antonio Todisco, Alessandro Cruciani, Domenico Borzomati, Fabio Pilato, Francesco Motolese, Ines Carrato, Gabriella Musumeci, Vincenzo Di Lazzaro, Fioravante Capone
No abstract text is available yet for this article.
August 8, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37596134/impaired-long-term-potentiation-like-motor-cortical-plasticity-in-progressive-supranuclear-palsy
#17
JOURNAL ARTICLE
Makoto Honda, Takahiro Shimizu, Shotaro Moriyasu, Takenobu Murakami, Hiroshi Takigawa, Yoshikazu Ugawa, Ritsuko Hanajima
OBJECTIVE: To elucidate long-term potentiation (LTP)-like effects on the primary motor cortical (M1) in progressive supranuclear palsy (PSP) and its relationships with clinical features. METHODS: Participants were 18 probable/possible PSP Richardson syndrome (PSP-RS) patients and 17 healthy controls (HC). We used quadripulse stimulation (QPS) over the M1 with an interstimulus interval of 5 ms (QPS-5) to induce LTP-like effect and analyzed the correlations between the degree of LTP-like effect and clinical features...
August 7, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37595480/pain-motor-integration-in-chronic-pain-a-neurophysiological-study
#18
JOURNAL ARTICLE
Francesco Asci, Giulia Di Stefano, Alessandro Di Santo, Edoardo Bianchini, Caterina Leone, Silvia La Cesa, Alessandro Zampogna, Giorgio Cruccu, Antonio Suppa
OBJECTIVE: Chronic pain may lead to functional changes in several brain regions, including the primary motor cortex (M1). Our neurophysiological study aimed to probe M1 plasticity, through a non-invasive transcranial magnetic stimulation protocol, in a cohort of patients with chronic pain. METHODS: Twenty patients with chronic pain (age ± SD: 62.9 ± 9.9) and 20 age- and sex-matched healthy controls (age ± SD: 59.6 ± 15...
August 7, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37611325/effects-of-noise-and-noise-reduction-on-audiovisual-speech-perception-in-cochlear-implant-users-an-erp-study
#19
JOURNAL ARTICLE
Natalie Layer, Khaled H A Abdel-Latif, Jan-Ole Radecke, Verena Müller, Anna Weglage, Ruth Lang-Roth, Martin Walger, Pascale Sandmann
OBJECTIVE: Hearing with a cochlear implant (CI) is difficult in noisy environments, but the use of noise reduction algorithms, specifically ForwardFocus, can improve speech intelligibility. The current event-related potentials (ERP) study examined the electrophysiological correlates of this perceptual improvement. METHODS: Ten bimodal CI users performed a syllable-identification task in auditory and audiovisual conditions, with syllables presented from the front and stationary noise presented from the sides...
August 6, 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://read.qxmd.com/read/37595481/characteristics-of-ictal-thalamic-eeg-in-pediatric-onset-neocortical-focal-epilepsy
#20
JOURNAL ARTICLE
Benjamin Edmonds, Makoto Miyakoshi, Luigi Gianmaria Remore, Samuel Ahn, H Westley Phillips, Atsuro Daida, Noriko Salamon, Ausaf Bari, Raman Sankar, Joyce H Matsumoto, Aria Fallah, Hiroki Nariai
OBJECTIVE: To characterize ictal EEG change in the centromedian (CM) and anterior nucleus (AN) of the thalamus, using stereoelectroencephalography (SEEG) recordings. METHODS: Forty habitual seizures were analyzed in nine patients with pediatric-onset neocortical drug-resistant epilepsy who underwent SEEG (age 2-25 y) with thalamic coverage. Both visual and quantitative analysis was used to evaluate ictal EEG signal in the cortex and thalamus. The amplitude and cortico-thalamic latencies of broadband frequencies at ictal onset were measured...
October 2023: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
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