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https://www.readbyqxmd.com/read/27909453/the-effect-of-high-frequency-repetitive-transcranial-magnetic-stimulation-on-occupational-stress-among-health-care-workers-a-pilot-study
#1
Young In Kim, Sun Mi Kim, Hyungjin Kim, Doug Hyun Han
OBJECTIVE: Repetitive transcranial magnetic stimulation (rTMS) was approved by the Food and Drug Administration to alleviate symptoms of treatment-resistant depression. This study aimed to evaluate the effectiveness of rTMS treatment on alleviating occupational stress by evaluating clinical symptoms and quantitative electroencephalography (QEEG). METHODS: Twenty-four health care workers were randomized to receive 12 sessions of active or sham rTMS delivered to the left dorsolateral prefrontal cortex (DLPFC)...
November 2016: Psychiatry Investigation
https://www.readbyqxmd.com/read/27899243/corrigendum-to-brain-and-cognitive-functions-in-two-groups-of-na%C3%A3-ve-hiv-patients-selected-for-a-different-plan-of-antiretroviral-therapy-a-qeeg-study-clin-neurophysiol-127-2016-3455-3469
#2
Claudio Babiloni, Alfredo Pennica, Paolo Capotosto, Paolo Onorati, Chiara Muratori, Stefano Ferracuti, Paolo Roma, Valentina Correr, Elisa Piccinni, Giuseppe Noce, Claudio Del Percio, Susanna Cordone, Cristina Limatola, Andrea Soricelli, Francesco Di Campli, Laura Gianserra, Lorenzo Ciullini, Antonio Aceti, Magdalena Viscione, Elisabetta Teti, Loredana Sarmati, Massimo Andreoni
No abstract text is available yet for this article.
November 26, 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/27886711/eeg-epochs-with-less-alpha-rhythm-improve-discrimination-of-mild-alzheimer-s
#3
Paulo A M Kanda, Eliezyer F Oliveira, Francisco J Fraga
BACKGROUND AND OBJECTIVE: Eyes-closed-awake electroencephalogram (EEG) is a useful tool in the diagnosis of Alzheimer's. However, there is eyes-closed-awake EEG with dominant or rare alpha rhythm. In this paper, we show that random selection of EEG epochs disregarding the alpha rhythm will lead to bias concerning EEG-based Alzheimer's Disease diagnosis. METHODS: We compared EEG epochs with more than 30% and with less than 30% alpha rhythm of mild Alzheimer's Disease patients and healthy elderly...
January 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/27855264/acute-effects-of-near-infrared-light-therapy-on-brain-state-in-healthy-subjects-as-quantified-by-qeeg-measures
#4
Fred Grover, Jon Weston, Michael Weston
OBJECTIVE: Recent investigation suggests that near infrared (NIR) light may improve symptoms from mild traumatic brain injury. In addition, quantitative electroencephalography (qEEG) has shown measures correlating with concussion: P300, reaction time, and amplitude. The objective of this study was to determine whether NIR light treatment has an acute effect on brain state in healthy patients as measured by EEG. METHODS: A total of 31 healthy volunteers, between the ages of 14 and 65, underwent qEEG event-related response tests before and after a 20-min NIR light head treatment...
November 17, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27830938/quantitative-electroencephalography-in-a-swine-model-of-blast-induced-brain-injury
#5
Chaoyang Chen, Chengpeng Zhou, John M Cavanaugh, Srinivasu Kallakuri, Alok Desai, Liying Zhang, Albert I King
OBJECTIVE: Electroencephalography (EEG) was used to examine brain activity abnormalities earlier after blast exposure using a swine model to develop a qEEG data analysis protocol. METHODS: Anaesthetized swine were exposed to 420-450 Kpa blast overpressure and survived for 3 days after blast. EEG recordings were performed at 15 minutes before the blast and 15 minutes, 30 minutes, 2 hours and 1, 2 and 3 days post-blast using surface recording electrodes and a Biopac 4-channel data acquisition system...
November 10, 2016: Brain Injury: [BI]
https://www.readbyqxmd.com/read/27812552/functional-neuroimaging-of-post-mortem-tissue-lithium-pilocarpine-seized-rats-express-reduced-brain-mass-and-proportional-reductions-of-left-ventral-cerebral-theta-spectral-power
#6
Nicolas Rouleau, Brady S Reive, Michael A Persinger
Structural imaging tools can be used to identify neuropathology in post-mortem tissue whereas functional imaging tools including quantitative electroencephalography (QEEG) are thought to be restricted for use in living subjects. We are not aware of any study which has used electrophysiological methods decades after death to infer pathology. We therefore attempted to discriminate between chemically preserved brains which had incurred electrical seizures and those that did not using functional imaging. Our data indicate that modified QEEG technology involving needle electrodes embedded within chemically fixed neural tissue can be used to discriminate pathology...
October 2016: Heliyon
https://www.readbyqxmd.com/read/27770740/escitalopram-but-not-placebo-modulates-brain-rhythmic-oscillatory-activity-in-the-first-week-of-treatment-of-major-depressive-disorder
#7
Andrew F Leuchter, Aimee M Hunter, Felipe A Jain, Molly Tartter, Caroline Crump, Ian A Cook
Serotonin modulates brain oscillatory activity, and serotonergic projections to the thalamus and cortex modulate the frequency of prefrontal rhythmic oscillations. Changes in serotonergic tone have been reported to shift oscillations between the combined delta-theta (2.5-8 Hz) and the alpha (8-12 Hz) frequency ranges. Such frequency shifts may constitute a useful biomarker for the effects of selective serotonin reuptake inhibitor (SSRI) medications in Major Depressive Disorder (MDD). We utilized quantitative electroencephalography (qEEG) to measure shifts in prefrontal rhythmic oscillations early in treatment with either the SSRI escitalopram or placebo, and examined the relationship between these changes and remission of depressive symptoms...
October 7, 2016: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/27765610/neural-signature-of-tdcs-tpcs-and-their-combination-comparing-the-effects-on-neural-plasticity
#8
Thibaut Aurore, Russo Cristina, Morales-Quezada Leon, Hurtado-Puerto Aura, Deitos Alícia, Steven Freedman, Carvalho Sandra, Fregni Felipe
Transcranial pulsed current stimulation (tPCS) and transcranial direct current stimulation (tDCS) are two noninvasive neuromodulatory brain stimulation techniques whose effects on human brain and behavior have been studied individually. In the present study we aimed to quantify the effects of tDCS and tPCS, individually and in combination, on cortical activity, sensitivity and pain-related assessments in healthy individuals in order to understand their neurophysiological mechanisms and potential applications in clinical populations...
October 17, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27722196/random-forest-to-differentiate-dementia-with-lewy-bodies-from-alzheimer-s-disease
#9
Meenakshi Dauwan, Jessica J van der Zande, Edwin van Dellen, Iris E C Sommer, Philip Scheltens, Afina W Lemstra, Cornelis J Stam
INTRODUCTION: The aim of this study was to build a random forest classifier to improve the diagnostic accuracy in differentiating dementia with Lewy bodies (DLB) from Alzheimer's disease (AD) and to quantify the relevance of multimodal diagnostic measures, with a focus on electroencephalography (EEG). METHODS: A total of 66 DLB, 66 AD patients, and 66 controls were selected from the Amsterdam Dementia Cohort. Quantitative EEG (qEEG) measures were combined with clinical, neuropsychological, visual EEG, neuroimaging, and cerebrospinal fluid data...
2016: Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
https://www.readbyqxmd.com/read/27716535/brain-and-cognitive-functions-in-two-groups-of-na%C3%A3-ve-hiv-patients-selected-for-a-different-plan-of-antiretroviral-therapy-a-qeeg-study
#10
Claudio Babiloni, Alfredo Pennica, Paolo Capotosto, Paolo Onorati, Chiara Muratori, Stefano Ferracuti, Paolo Roma, Valentina Correr, Elisa Piccinni, Giuseppe Noce, Claudio Del Percio, Susanna Cordone, Cristina Limatola, Andrea Soricelli, Francesco Di Campli, Laura Gianserra, Lorenzo Ciullini, Antonio Aceti, Magdalena Viscione, Elisabetta Teti, Loredana Sarmati, Massimo Andreoni
OBJECTIVE: Cortical sources of electroencephalographic (EEG) rhythms were investigated in two sub-populations of naïve HIV subjects, grouped based on clinical criteria to receive different combination anti-retroviral therapies (cARTs). These EEG sources were hypothesized to reflect beneficial effects of both regimes. METHODS: Eyes-closed resting state EEG data were collected in 19 (Group A) and 39 (Group B) naïve HIV subjects at baseline (i.e. pre-treatment; T0) and after 5months of cART (T5)...
September 9, 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/27648919/prediction-of-transition-from-ultra-high-risk-to-first-episode-psychosis-using-a-probabilistic-model-combining-history-clinical-assessment-and-fatty-acid-biomarkers
#11
S R Clark, B T Baune, K O Schubert, S Lavoie, S Smesny, S M Rice, M R Schäfer, F Benninger, M Feucht, C M Klier, P D McGorry, G P Amminger
Current criteria identifying patients with ultra-high risk of psychosis (UHR) have low specificity, and less than one-third of UHR cases experience transition to psychosis within 3 years of initial assessment. We explored whether a Bayesian probabilistic multimodal model, combining baseline historical and clinical risk factors with biomarkers (oxidative stress, cell membrane fatty acids, resting quantitative electroencephalography (qEEG)), could improve this specificity. We analyzed data of a UHR cohort (n=40) with a 1-year transition rate of 28%...
2016: Translational Psychiatry
https://www.readbyqxmd.com/read/27595479/electroencephalography-is-a-good-complement-to-currently-established-dementia-biomarkers
#12
Daniel Ferreira, Vesna Jelic, Lena Cavallin, Anne-Rita Oeksengaard, Jon Snaedal, Peter Høgh, Birgitte Bo Andersen, Mala Naik, Knut Engedal, Eric Westman, Lars-Olof Wahlund
BACKGROUND/AIMS: Dementia biomarkers that are accessible and easily applicable in nonspecialized clinical settings are urgently needed. Quantitative electroencephalography (qEEG) is a good candidate, and the statistical pattern recognition (SPR) method has recently provided promising results. We tested the diagnostic value of qEEG-SPR in comparison to cognition, structural imaging, and cerebrospinal fluid (CSF) biomarkers. METHODS: A total of 511 individuals were recruited from the multicenter NORD EEG study [141 healthy controls, 64 subjective cognitive decline, 124 mild cognitive impairment, 135 Alzheimer's disease (AD), 15 dementia with Lewy bodies/Parkinson's disease with dementia (DLB/PDD), 32 other dementias]...
2016: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/27589528/eeg-markers-of-dementia-with-lewy-bodies-a-multicenter-cohort-study
#13
Laura Bonanni, Raffaella Franciotti, Flavio Nobili, Milica G Kramberger, John-Paul Taylor, Sara Garcia-Ptacek, N Walter Falasca, Francesco Famá, Ruth Cromarty, Marco Onofrj, Dag Aarsland
Quantitative EEG (QEEG) has demonstrated good discriminative capacity for dementia with Lewy bodies (DLB) diagnosis as compared to Alzheimer's disease (AD) with a predictive value of 100% in a single cohort study. EEG in DLB was characterized by a dominant frequency (DF) in pre-alpha (5.5-7.5 Hz), theta, or delta bands and DF variability (DFV) >1.2 Hz, frequency prevalence (FP) pre-alpha in >40% and FP alpha in <32% of the epochs. To validate the aforementioned QEEG findings in independent cohorts of clinically diagnosed DLB versus AD patients, we analyzed EEG traces of 79 DLB and 133 AD patients (MMSE >20) collected from four European Centers...
October 18, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27491643/contribution-of-quantitative-eeg-to-the-diagnosis-of-early-cognitive-impairment-in-patients-with-idiopathic-parkinson-s-disease
#14
Derya Guner, Bedile Irem Tiftikcioglu, Nilgun Tuncay, Yasar Zorlu
Cognitive dysfunction can emerge during the clinical course of Parkinson's disease (PD) even beginning in early stages, which requires extended neuropsychological tests for diagnosis. There is need for rapid, feasible, and practical tests in clinical practice to diagnose and monitor the patients without causing any discomfort. We investigated the utility of quantitative analysis of digital EEG (qEEG) for diagnosing subtle cognitive impairment in PD patients without evident cognitive deficits (ie, "normal cognition")...
August 3, 2016: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/27466474/sensitivity-of-quantitative-eeg-for-seizure-identification-in-the-intensive-care-unit
#15
Hiba A Haider, Rosana Esteller, Cecil D Hahn, M Brandon Westover, Jonathan J Halford, Jong W Lee, Mouhsin M Shafi, Nicolas Gaspard, Susan T Herman, Elizabeth E Gerard, Lawrence J Hirsch, Joshua A Ehrenberg, Suzette M LaRoche
OBJECTIVE: To evaluate the sensitivity of quantitative EEG (QEEG) for electrographic seizure identification in the intensive care unit (ICU). METHODS: Six-hour EEG epochs chosen from 15 patients underwent transformation into QEEG displays. Each epoch was reviewed in 3 formats: raw EEG, QEEG + raw, and QEEG-only. Epochs were also analyzed by a proprietary seizure detection algorithm. Nine neurophysiologists reviewed raw EEGs to identify seizures to serve as the gold standard...
August 30, 2016: Neurology
https://www.readbyqxmd.com/read/27464584/commonalities-in-eeg-spectral-power-abnormalities-between-women-with-adhd-and-women-with-bipolar-disorder-during-rest-and-cognitive-performance
#16
Anna-Sophie Rommel, Glenn L Kitsune, Giorgia Michelini, Georgina M Hosang, Philip Asherson, Gráinne McLoughlin, Daniel Brandeis, Jonna Kuntsi
While attention-deficit/hyperactivity disorder (ADHD) and bipolar disorder (BD) denote distinct psychiatric conditions, diagnostic delineation is impeded by considerable symptomatic overlap. Direct comparisons across ADHD and BD on neurophysiological measures are limited. They could inform us on impairments that are specific to or shared between the disorders and, therefore, potential biomarkers that may aid in the identification of the diagnostic boundaries. Our aim was to test whether quantitative EEG (QEEG) identifies differences or similarities between women with ADHD and women with BD during resting-state and task conditions...
November 2016: Brain Topography
https://www.readbyqxmd.com/read/27450303/an-improved-qeeg-index-for-asymmetry-detection-during-the-wada-test
#17
Guy Bogaarts, Erik Gommer, Danny Hilkman, Vivianne van Kranen-Mastenbroek, Jos Reulen
The Wada test is commonly used to evaluate language and memory lateralization in candidates for epilepsy surgery. The spatial Brain Symmetry Index (BSI) quantifies inter-hemispheric differences in the EEG. Its application has been shown to be feasible during Wada testing. We developed a method for the quantification of EEG asymmetry that matches visual assessments of the EEG better than BSI. Fifty-three patients' EEG data, with a total of 85 injections were analyzed. In a step-wise, data-driven manner, multiple electrode and frequency band combinations were evaluated...
September 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27445652/an-integrated-approach-for-the-monitoring-of-brain-and-autonomic-response-of-children-with-autism-spectrum-disorders-during-treatment-by-wearable-technologies
#18
Lucia Billeci, Alessandro Tonacci, Gennaro Tartarisco, Antonio Narzisi, Simone Di Palma, Daniele Corda, Giovanni Baldus, Federico Cruciani, Salvatore M Anzalone, Sara Calderoni, Giovanni Pioggia, Filippo Muratori
Autism Spectrum Disorders (ASD) are associated with physiological abnormalities, which are likely to contribute to the core symptoms of the condition. Wearable technologies can provide data in a semi-naturalistic setting, overcoming the limitations given by the constrained situations in which physiological signals are usually acquired. In this study an integrated system based on wearable technologies for the acquisition and analysis of neurophysiological and autonomic parameters during treatment is proposed and an application on five children with ASD is presented...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27442415/analysis-of-independent-components-of-cognitive-event-related-potentials-in-a-group-of-adhd-adults
#19
Silvana Markovska-Simoska, Nada Pop-Jordanova, Jordan Pop-Jordanov
In the last decade, many studies have tried to define the neural correlates of attention deficit hyperactivity disorder (ADHD). The main aim of this study is the comparison of the ERPs independent components in the four QEEG subtypes in a group of ADHD adults as a basis for defining the corresponding endophenotypes among ADHD population. Sixty-seven adults diagnosed as ADHD according to the DSM-IV criteria and 50 age-matched control subjects participated in the study. The brain activity of the subjects was recorded by 19 channel quantitative electroencephalography (QEEG) system in two neuropsychological tasks (visual and emotional continuous performance tests)...
2016: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/27442382/relation-between-frontal-alpha-asymmetry-and-anxiety-in-young-patients-with-generalized-anxiety-disorder
#20
Aneta Demerdzieva, Nada Pop-Jordanova
Frontal alpha asymmetry (the relative difference in power between two signals in different hemispheres) has been suggested as biomarker for anxiety. The goal of this study was to evaluate alpha asymmetry in the frontal region for young people (7-18 years) with generalized anxiety disorder, diagnosed according to two statistic manuals (DMS-IV-R and ICD-10), the medical history and the neuropsychological assessment. The QEEG recording and analysis of the obtained results from alpha spectra power and log of alpha spectra power are made in four conditions (eyes open, eyes closed, VCPT and ACPT)...
2015: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
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