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Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)

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https://www.readbyqxmd.com/read/28434238/the-characteristics-and-long-term-course-of-epilepsy-in-lipoid-proteinosis-a-spectrum-from-mild-to-severe-seizures-in-relation-to-ecm1-mutations
#1
Emel Oguz Akarsu, Firdevs Dinçsoy Bir, Can Baykal, Volkan Taşdemir, Bülent Kara, Nerses Bebek, Candan Gürses, Oya Uyguner, Betül Baykan
Lipoid proteinosis (LP) is a rare autosomal recessive disease characterized by deposition of hyaline material in skin and mucosae. Epilepsy, as an extracutaneous manifestation associated with typical mesial temporal calcifications, has already been identified, but its characteristics and long-term prognosis have not been thoroughly investigated. We included 7 consecutive patients with LP with typical intracranial calcifications out of 16 patients with ECM1 mutations and investigated the semiologic features, ictal and interictal EEG findings, and long-term prognosis of epilepsy in this genodermatosis...
April 1, 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/28201930/electroencephalographic-correlates-of-suicidal-ideation-in-the-theta-band
#2
Sang Min Lee, Kuk-In Jang, Jeong-Ho Chae
Previous studies have indicated that the abnormalities of brain activity are associated with suicidal behavior. However, few studies have explored neurophysiologic biomarkers of suicidal ideation (SI) in healthy subjects. Here, we studied alterations of theta quantitative EEG (QEEG) in frontal regions associated with SI in young healthy subjects. Resting QEEG data were recorded from 90 young healthy subjects. The subjects were divided into two group based on Scale for Suicidal Ideation (SSI) scores: a high SSI group (n = 33) and a low SSI group (n = 57)...
February 1, 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27354361/quantitative-eeg-neurometric-analysis-guided-neurofeedback-treatment-in-postconcussion-syndrome-pcs-forty-cases-how-is-neurometric-analysis-important-for-the-treatment-of-pcs-and-as-a-biomarker
#3
Tanju Surmeli, Emin Eralp, Ilham Mustafazade, Ismet Hadi Kos, Gül Elif Özer, Orkun H Surmeli
Postconcussion syndrome (PCS) has been used to describe a range of residual symptoms that persist 12 months or more after the injury, often despite a lack of evidence of brain abnormalities on magnetic resonance imaging and computed tomography scans. In this clinical case series, the efficacy of quantitative EEG-guided neurofeedback in 40 subjects diagnosed with PCS was investigated. Overall improvement was seen in all the primary (Symptom Assessment-45 Questionnaire, Clinical Global Impressions Scale, Hamilton Depression Scale) and secondary measures (Minnesota Multiphasic Personality Inventory, Test of Variables for Attention)...
May 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27287223/slow-activity-in-focal-epilepsy-during-sleep-and-wakefulness
#4
Giovanni Pellegrino, Mario Tombini, Giuseppe Curcio, Chiara Campana, Giovanni Di Pino, Giovanni Assenza, Leo Tomasevic, Vincenzo Di Lazzaro
INTRODUCTION: We aimed to test differences between healthy subjects and patients with respect to slow wave activity during wakefulness and sleep. METHODS: Fifteen patients affected by nonlesional focal epilepsy originating within temporal areas and fourteen matched controls underwent a 24-hour EEG recording. We studied the EEG power spectral density during wakefulness and sleep in delta (1-4 Hz), theta (5-7 Hz), alpha (8-11 Hz), sigma (12-15 Hz), and beta (16-20 Hz) bands...
May 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27287222/how-different-are-the-patients-with-bilateral-hippocampal-sclerosis-from-the-unilateral-ones-clinically
#5
Ebru Nur Vanli-Yavuz, Betul Baykan, Serra Sencer, Altay Sencer, Isin Baral-Kulaksizoglu, Nerses Bebek, Candan Gurses, Aysen Gokyigit
PURPOSE: There is a lack of knowledge on consecutive patients with epilepsy associated with bilateral hippocampal sclerosis (BHS). We aimed to investigate the differentiating features of BHS in comparison with unilateral HS (UHS). METHOD: We investigated our database for patients with epilepsy fulfilling the major magnetic resonance imaging criteria for BHS; namely, presence of bilateral atrophy and high signal changes on T2 and FLAIR series in the hippocampi. UHS patients seen in past 2 years were included as the control group...
May 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27272168/qeeg-and-loreta-in-teenagers-with-conduct-disorder-and-psychopathic-traits
#6
Ana Calzada-Reyes, Alfredo Alvarez-Amador, Lídice Galán-García, Mitchell Valdés-Sosa
BACKGROUND: Few studies have investigated the impact of the psychopathic traits on the EEG of teenagers with conduct disorder (CD). To date, there is no other research studying low-resolution brain electromagnetic tomography (LORETA) technique using quantitative EEG (QEEG) analysis in adolescents with CD and psychopathic traits. OBJECTIVE: To find electrophysiological differences specifically related to the psychopathic traits. The current investigation compares the QEEG and the current source density measures between adolescents with CD and psychopathic traits and adolescents with CD without psychopathic traits...
May 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27170671/transcranial-direct-current-stimulation-over-the-right-frontal-inferior-cortex-decreases-neural-activity-needed-to-achieve-inhibition-a-double-blind-erp-study-in-a-male-population
#7
RANDOMIZED CONTROLLED TRIAL
Salvatore Campanella, Elisa Schroder, Aurore Monnart, Marie-Anne Vanderhasselt, Romain Duprat, Mark Rabijns, Charles Kornreich, Paul Verbanck, Chris Baeken
Inhibitory control refers to the ability to inhibit an action once it has been initiated. Impaired inhibitory control plays a key role in triggering relapse in some pathological states, such as addictions. Therefore, a major challenge of current research is to establish new methods to strengthen inhibitory control in these "high-risk" populations. In this attempt, the right inferior frontal cortex (rIFC), a neural correlate crucial for inhibitory control, was modulated using transcranial direct current stimulation (tDCS)...
May 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27118764/long-term-evolution-electromagnetic-fields-exposure-modulates-the-resting-state-eeg-on-alpha-and-beta-bands
#8
Lei Yang, Qinghua Chen, Bin Lv, Tongning Wu
Long-term evolution (LTE) wireless telecommunication systems are widely used globally, which has raised a concern that exposure to electromagnetic fields (EMF) emitted from LTE devices can change human neural function. To date, few studies have been conducted on the effect of exposure to LTE EMF. Here, we evaluated the changes in electroencephalogram (EEG) due to LTE EMF exposure. An LTE EMF exposure system with a stable power emission, which was equivalent to the maximum emission from an LTE mobile phone, was used to radiate the subjects...
May 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27000108/neurophysiologic-correlates-of-headache-pain-in-subjects-with-major-depressive-disorder
#9
Graham C Scanlon, Felipe A Jain, Aimee M Hunter, Ian A Cook, Andrew F Leuchter
BACKGROUND: Headache pain is often comorbid with major depressive disorder (MDD) and is associated with greater symptom burden, disability, and suicidality. The biological correlates of headache pain in MDD, however, remain obscure. The purpose of this study was to examine the association between brain oscillatory activity and headache pain in MDD subjects. METHODS: A total of 64 subjects with MDD who were free of psychoactive medications were evaluated for severity of headache pain in the past week...
May 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27230038/comparison-of-amplitude-integrated-eeg-and-conventional-eeg-in-a-cohort-of-premature-infants
#10
COMPARATIVE STUDY
Irina Meledin, Muhammad Abu Tailakh, Shlomo Gilat, Hagai Yogev, Agneta Golan, Victor Novack, Eilon Shany
OBJECTIVE: To compare amplitude-integrated EEG (aEEG) and conventional EEG (EEG) activity in premature neonates. METHODS: Biweekly aEEG and EEG were simultaneously recorded in a cohort of infants born less than 34 weeks gestation. aEEG recordings were visually assessed for lower and upper border amplitude and bandwidth. EEG recordings were compressed for visual evaluation of continuity and assessed using a signal processing software for interburst intervals (IBI) and frequencies' amplitude...
March 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27193594/cognitive-psychophysiological-substrates-of-affective-temperaments
#11
Burç Çağrı Poyraz, Ayşe Sakallı Kani, Cana Aksoy Poyraz, Tuba Öcek Baş, Mehmet Kemal Arıkan
Affective temperaments are the subclinical manifestations or phenotypes of mood states and hypothetically represent one healthy end of the mood disorder spectrum. However, there is a scarcity of studies investigating the neurobiological basis of affective temperaments. One fundamental aspect of temperament is the behavioral reactivity to environmental stimuli, which can be effectively evaluated by use of cognitive event-related potentials (ERPs) reflecting the diversity of information processing. The aim of the present study is to explore the associations between P300 and the affective temperamental traits in healthy individuals...
March 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27177554/classification-preictal-and-interictal-stages-via-integrating-interchannel-and-time-domain-analysis-of-eeg-features
#12
Lung-Chang Lin, Sharon Chia-Ju Chen, Ching-Tai Chiang, Hui-Chuan Wu, Rei-Cheng Yang, Chen-Sen Ouyang
The life quality of patients with refractory epilepsy is extremely affected by abrupt and unpredictable seizures. A reliable method for predicting seizures is important in the management of refractory epilepsy. A critical factor in seizure prediction involves the classification of the preictal and interictal stages. This study aimed to develop an efficient, automatic, quantitative, and individualized approach for preictal/interictal stage identification. Five epileptic children, who had experienced at least 2 episodes of seizures during a 24-hour video EEG recording, were included...
March 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27170673/development-of-emotional-face-processing-in-premature-and-full-term-infants
#13
Cintli Carolina Carbajal-Valenzuela, Efraín Santiago-Rodríguez, Gina L Quirarte, Thalía Harmony
The rate of premature births has increased in the past 2 decades. Ten percent of premature birth survivors develop motor impairment, but almost half exhibit later sensorial, cognitive, and emotional disabilities attributed to white matter injury and decreased volume of neuronal structures. The aim of this study was to test the hypothesis that premature and full-term infants differ in their development of emotional face processing. A comparative longitudinal study was conducted in premature and full-term infants at 4 and 8 months of age...
March 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27170670/assessment-of-blink-reflex-in-genetic-generalized-epilepsy-patients-with-eyelid-myoclonia
#14
Güneş Altıokka-Uzun, Esme Ekizoğlu, Elif Kocasoy-Orhan, Nerses Bebek, Candan Gürses, Ayşen Gökyiğit, Ali Emre Öge, Betül Baykan
Eyelid myoclonia (EM) with or without absences are a rare type of generalized seizures associated with a variety of epilepsy syndromes with an unknown pathophysiology. The aim of this study was to investigate the possible contribution of the brainstem structures in this underrecognized special type of seizures. Sixteen consecutive patients with EM, diagnosed with genetic generalized epilepsy (GGE) according to International League Against Epilepsy 2010 criteria were included. Brainstem excitabilities were examined by blink reflex (BR) studies...
March 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27170668/startle-response-in-progressive-myoclonic-epilepsy
#15
Meral E Kızıltan, Ayşegül Gündüz, Tülin Coşkun, Şakir Delil, Nevin Pazarcı, Çiğdem Özkara, Naz Yeni
Cortical reflex myoclonus is a typical feature of progressive myoclonic epilepsy (PME) in which it is accompanied by other types of mostly drug-resistant seizures and progressive neurological signs. Although PME is characterized by cortical hyperexcitability, studies have demonstrated atrophy and degenerative changes in the brainstem in various types of PME. Thus, we have questioned whether any stimuli may trigger a hyperactive response of brainstem reticular formation in PME and investigated the startle reflex in individuals with PME...
March 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27118765/lance-adams-syndrome-in-the-pretargeted-temperature-management-era
#16
Brin Freund, Raoul Sutter, Peter W Kaplan
Acute posthypoxic myoclonus portends a poor prognosis. Another form of posthypoxic myoclonus, Lance-Adams syndrome, is associated with a better outcome. Differentiating these two entities is important in prognostication and guiding further medical intervention. This can be difficult in the acute setting after hypoxic brain injury but the use of neurophysiologic studies may be helpful. In this article, we present a case of a patient who presented after pulseless electrical activity arrest, underwent targeted temperature management and subsequently developed Lance-Adams syndrome...
March 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27090506/do-prenatal-corticosteroids-affect-brain-maturation-of-the-premature-infant-an-electroencephalography-study
#17
Eilon Shany, Itai Berger, Ori Goldberg, Michael Karplus, Shlomo Gilat, Oshra Benzaquen, Hagai Yogev, Ruth Shalev
OBJECTIVE: To assess whether prenatal treatment with betamethasone has a significant influence on cerebral maturation indices as measured by electroencephalographic (EEG) indices. STUDY DESIGN: Infants born less than 35 weeks postmenstrual age (PMA) were prospectively enrolled if their mother received a full course of bethametasone prior to delivery (study group) or not (control group); infants with major intracranial abnormalities were excluded as well as those who were sedated or needed assisted ventilation...
March 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/26892803/abnormal-neural-basis-of-emotional-conflict-control-in-treatment-resistant-depression
#18
Song Xue, Shanshan Wang, Xia Kong, Jiang Qiu
Emotional conflict has received increased attention as a research topic. The objective of this study is to confirm that the processing of emotional conflict is impaired in treatment-resistant depression (TRD). We compared the event-related potentials of 17 patients with TRD and 17 healthy controls during the face-word Stroop task, which is an effective way of assessing the effects of emotional conflict directly. Compared with healthy controls, the accuracy scores of the TRD patients were lower in both "congruent stimuli" and "incongruent stimuli" conditions, and their response times were longer...
March 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/26697882/altered-network-characteristics-of-spike-wave-discharges-in-juvenile-myoclonic-epilepsy
#19
Chany Lee, Chang-Hwan Im, Yong Seo Koo, Jung-Ah Lim, Tae-Joon Kim, Jung-Ick Byun, Jun-Sang Sunwoo, Jangsup Moon, Dong Wook Kim, Soon-Tae Lee, Keun-Hwa Jung, Kon Chu, Sang-Kun Lee, Ki-Young Jung
Epilepsy is a disease marked by hypersynchronous bursts of neuronal activity; therefore, identifying the network characteristics of the epileptic brain is important. Juvenile myoclonic epilepsy (JME) represents a common, idiopathic generalized epileptic syndrome, characterized by spike-and-wave discharge (SWD) electroencephalographic (EEG) waveforms. We compare herein the network properties of periods of SWD and baseline activity using graph theory. EEG data were obtained from 11 patients with JME. Functional cortical networks during SWD and baseline periods were estimated by calculating the coherence between all possible electrode pairs in the delta, theta, alpha, beta and gamma bands...
March 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/28118746/frontal-intermittent-rhythmic-delta-activity-firda-in-the-neurological-intensive-care
#20
Nese Dericioglu, Farid Khasiyev, E Murat Arsava, M Akif Topcuoglu
INTRODUCTION: Frontal intermittent rhythmic delta activity (FIRDA), a transient rhythmic slow wave pattern over the anterior EEG leads, has been reported in a wide variety of cerebral lesions and different metabolic disturbances. Few authors have analyzed the frequency and clinical significance of FIRDA in the critical care setting. We aimed to better understand these issues in our intensive care cohort and if possible, try to delineate its underlying mechanisms. METHODS: Video-EEG reports of consecutive adult patients in the neurological intensive care unit (NICU) since 2009 were retrospectively reviewed to identify cases with FIRDA...
January 1, 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
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