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https://www.readbyqxmd.com/read/28664706/neuromarkers-of-post-traumatic-stress-disorder-ptsd-in-a-patient-after-bilateral-hand-amputation-erp-case-study
#1
Anna Chrapusta, Juri D Kropotov, Maria Pąchalska
<b>Introduction</b>. There is a lack in the worldwide literature of reports on the Neuromarkers of Post-Traumatic Stress Disorder (PTSD) in patients after bilateral hand amputation The aim of this study was to test a hypothesis regarding developing Post-Traumatic Stress Disorder (PTSD) in a patient after bilateral hand amputation with the use of Event Related Potentials (ERPs). On the basis of previous research, the amplitudes of P3 ERP components elicited in the cued GO/NOGO tasks have been chosen as candidates for neuromarkers of PTSD...
June 8, 2017: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28617544/the-relationship-between-quality-of-life-and-clinical-phenotype-in-patients-with-treatment-resistant-and-non-treatment-resistant-depression
#2
J Qiao, L-J Qian, H-F Zhao, G-H Gong, D-Q Geng
OBJECTIVE: The purpose of this investigation is to determine the differences in quality of life (QOL) and clinical phenotype between patients with treatment resistant (TRD) and non-treatment resistant depression (NTRD). PATIENTS AND METHODS: The severity, QOL, and cognitive function of 107 TRD and 173 NTRD patients were evaluated and calculated by the Hamilton Depression Scale-17 (HAMD-17), the 36-Item Short Form Health Survey (SF-36), and the P300 component of event-related potentials (ERP), respectively...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28330464/spectral-temporal-eeg-dynamics-of-speech-discrimination-processing-in-infants-during-sleep
#3
Phillip M Gilley, Kristin Uhler, Kaylee Watson, Christine Yoshinaga-Itano
BACKGROUND: Oddball paradigms are frequently used to study auditory discrimination by comparing event-related potential (ERP) responses from a standard, high probability sound and to a deviant, low probability sound. Previous research has established that such paradigms, such as the mismatch response or mismatch negativity, are useful for examining auditory processes in young children and infants across various sleep and attention states. The extent to which oddball ERP responses may reflect subtle discrimination effects, such as speech discrimination, is largely unknown, especially in infants that have not yet acquired speech and language...
March 22, 2017: BMC Neuroscience
https://www.readbyqxmd.com/read/28251306/k-complexes-spindles-and-erps-as-impulse-responses-unification-via-neural-field-theory
#4
M S Zobaer, R M Anderson, C C Kerr, P A Robinson, K K H Wong, A L D'Rozario
To interrelate K-complexes, spindles, evoked response potentials (ERPs), and spontaneous electroencephalography (EEG) using neural field theory (NFT), physiology-based NFT of the corticothalamic system is used to model cortical excitatory and inhibitory populations and thalamic relay and reticular nuclei. The impulse response function of the model is used to predict the responses to impulses, which are compared with transient waveforms in sleep studies. Fits to empirical data then allow underlying brain physiology to be inferred and compared with other waves...
April 2017: Biological Cybernetics
https://www.readbyqxmd.com/read/27793703/sleep-duration-predicts-behavioral-and-neural-differences-in-adult-speech-sound-learning
#5
F Sayako Earle, Nicole Landi, Emily B Myers
Sleep is important for memory consolidation and contributes to the formation of new perceptual categories. This study examined sleep as a source of variability in typical learners' ability to form new speech sound categories. We trained monolingual English speakers to identify a set of non-native speech sounds at 8PM, and assessed their ability to identify and discriminate between these sounds immediately after training, and at 8AM on the following day. We tracked sleep duration overnight, and found that light sleep duration predicted gains in identification performance, while total sleep duration predicted gains in discrimination ability...
January 1, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/27706417/sleep-disorder-investigation-might-be-considered-to-be-mandatory-in-attention-deficit-hyperactivity-disorder-guideline
#6
Paulo Sérgio Azeredo Henriques
Objective: To determine the prevalence of obstructive sleep apnea (OSA) in children with attention deficit/hyperactive disorder (ADHD) and compare amplitude and latency of the P300 potential among children with and without OSA. Method: Sixty-one children with ADHD underwent oddball auditory attention tests for detection of P300 (ERPs) followed by an all-night polysomnography. The children were divided in two groups, those with and without OSA. Results: Significant decreased amplitude of the P300 potential was observed in children with OSA when compared with children without OSA...
September 2016: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/27617967/infant-directed-speech-enhances-statistical-learning-in-newborn-infants-an-erp-study
#7
Alexis N Bosseler, Tuomas Teinonen, Mari Tervaniemi, Minna Huotilainen
Statistical learning and the social contexts of language addressed to infants are hypothesized to play important roles in early language development. Previous behavioral work has found that the exaggerated prosodic contours of infant-directed speech (IDS) facilitate statistical learning in 8-month-old infants. Here we examined the neural processes involved in on-line statistical learning and investigated whether the use of IDS facilitates statistical learning in sleeping newborns. Event-related potentials (ERPs) were recorded while newborns were exposed to12 pseudo-words, six spoken with exaggerated pitch contours of IDS and six spoken without exaggerated pitch contours (ADS) in ten alternating blocks...
2016: PloS One
https://www.readbyqxmd.com/read/27552586/loss-of-promoter-iv-driven-bdnf-expression-impacts-oscillatory-activity-during-sleep-sensory-information-processing-and-fear-regulation
#8
J L Hill, N F Hardy, D V Jimenez, K R Maynard, A S Kardian, C J Pollock, R J Schloesser, K Martinowich
Posttraumatic stress disorder is characterized by hyperarousal, sensory processing impairments, sleep disturbances and altered fear regulation; phenotypes associated with changes in brain oscillatory activity. Molecules associated with activity-dependent plasticity, including brain-derived neurotrophic factor (BDNF), may regulate neural oscillations by controlling synaptic activity. BDNF synthesis includes production of multiple Bdnf transcripts, which contain distinct 5' noncoding exons. We assessed arousal, sensory processing, fear regulation and sleep in animals where BDNF expression from activity-dependent promoter IV is disrupted (Bdnf-e4 mice)...
August 23, 2016: Translational Psychiatry
https://www.readbyqxmd.com/read/26955362/brain-oscillations-in-sport-toward-eeg-biomarkers-of-performance
#9
REVIEW
Guy Cheron, Géraldine Petit, Julian Cheron, Axelle Leroy, Anita Cebolla, Carlos Cevallos, Mathieu Petieau, Thomas Hoellinger, David Zarka, Anne-Marie Clarinval, Bernard Dan
Brain dynamics is at the basis of top performance accomplishment in sports. The search for neural biomarkers of performance remains a challenge in movement science and sport psychology. The non-invasive nature of high-density electroencephalography (EEG) recording has made it a most promising avenue for providing quantitative feedback to practitioners and coaches. Here, we review the current relevance of the main types of EEG oscillations in order to trace a perspective for future practical applications of EEG and event-related potentials (ERP) in sport...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/26901357/personalized-medicine-review-and-perspectives-of-promising-baseline-eeg-biomarkers-in-major-depressive-disorder-and-attention-deficit-hyperactivity-disorder
#10
REVIEW
Sebastian Olbrich, Rik van Dinteren, Martijn Arns
Personalized medicine in psychiatry is in need of biomarkers that resemble central nervous system function at the level of neuronal activity. Electroencephalography (EEG) during sleep or resting-state conditions and event-related potentials (ERPs) have not only been used to discriminate patients from healthy subjects, but also for the prediction of treatment outcome in various psychiatric diseases, yielding information about tailored therapy approaches for an individual. This review focuses on baseline EEG markers for two psychiatric conditions, namely major depressive disorder and attention deficit hyperactivity disorder...
2015: Neuropsychobiology
https://www.readbyqxmd.com/read/26898555/mismatch-response-mmr-in-neonates-beyond-refractoriness
#11
Gábor P Háden, Renáta Németh, Miklós Török, István Winkler
In the adult auditory system, deviant detection and updating the representation of the environment is reflected by the event-related potential (ERP) component termed the mismatch negativity (MMN). MMN is elicited when a rare-pitch deviant stimulus is presented amongst frequent standard pitch stimuli. The same stimuli also elicit a similar discriminative ERP component in sleeping newborn infants (termed the mismatch response: MMR). Both the MMN and the MMR can be confounded by responses generated by differential refractoriness of frequency-selective neural populations...
May 2016: Biological Psychology
https://www.readbyqxmd.com/read/26808619/cognitive-event-related-potentials-in-patients-with-adenoid-hypertrophy-a-case-control-pilot-study
#12
Mohamed N Thabit, Hassan M Elnady, Badawy S Badawy, Hamza A Mahmoud
PURPOSE: Children with adenoid hypertrophy commonly have sleep-disordered breathing. Sleep-disordered breathing is associated with various neurocognitive problems. The aim of this study was to assess the cognitive function in those patients using cognitive event-related potentials. METHODS: Twenty-three patients with moderate to severe adenoid hypertrophy were compared with 20 healthy controls. The intelligence quotient was performed for all study participants. The latencies of the N200, P300 peaks and the amplitudes of the N200/P300 components of event-related potentials were recorded...
October 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/26706985/neuromarkers-of-anxiety-and-depression-in-a-patient-after-neuro-ophthalmic-surgery-of-the-meningioma-effect-of-individually-tailored-tdcs-and-neurofeedback
#13
Andrzej Mirski, Maria Pąchalska, Marek Moskała, Michał Orski, Małgorzata Orska, Maria Miąskiewicz, Jan Zapała, Juri D Kropotov
UNLABELLED: The aim of the study was to evaluate the effectiveness of individually tailored anodal tDCs/ neurofeedback protocol for the reduction of post-operative depression after a neuroophtalmological operation of the meningioma. The neuromarkers in Quantitative EEG (QEEG) and Event-related potentials (ERPs) were utilized in the construction of protocol and evaluation. CASE DESCRIPTION: A 45-year-old female after successful neuro-ophthalmic surgery of the meningioma, complained of severe pain and anxiety, difficulties with sleeping, attention and memory problems, as well as inability to continue working in her given profession...
2015: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/25979860/altered-cortical-processing-of-observed-pain-in-patients-with-fibromyalgia-syndrome
#14
Nicholas Fallon, Xiaoyun Li, Yee Chiu, Turo Nurmikko, Andrej Stancak
UNLABELLED: Fibromyalgia syndrome (FMS) is characterized by widespread chronic pain, fatigue, sleep disorders, and cognitive-emotional disturbance. Patients with FMS exhibit increased sensitivity to experimental pain and pain-related cues, as well as deficits in emotional regulation. The present study investigated the spatiotemporal patterns of brain activations for observed pain in 19 patients with FMS and 18 age-matched, healthy control individuals using event-related potential analysis...
August 2015: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/25934537/sternberg-working-memory-performance-following-treatment-with-pramipexole-in-patients-with-moderate-to-severe-restless-legs-syndrome
#15
Ki-Young Jung, Sung Min Kim, Jin-Young Song, Byeong Uk Lee, Chany Lee, Sang Kun Lee, Yong Seo Koo, Yong Won Cho, Jeong Woo Choi, Kyung Hwan Kim
OBJECTIVES: We recently reported that the P300 amplitude related to the Sternberg working memory (WM) task was significantly lower in drug-naïve severe restless legs syndrome (RLS) patients than controls. Here, we evaluated the effects of pramipexole on the Sternberg WM task performance by event-related potential (ERP) study. METHODS: Thirteen drug-naïve RLS patients (52.0 ± 9.48 years) were enrolled in the study. Pramipexole was administered over a period of 12 weeks every night 1 h before bedtime...
June 2015: Sleep Medicine
https://www.readbyqxmd.com/read/25732251/nap-sleep-preserves-associative-but-not-item-memory-performance
#16
RANDOMIZED CONTROLLED TRIAL
Sara Studte, Emma Bridger, Axel Mecklinger
Many studies have shown that sleep improves memory performance, and that even short naps during the day are beneficial. Certain physiological components of sleep such as spindles and slow-wave-sleep are thought to be particularly important for memory consolidation. The aim of this experiment was to reveal the role of naps for hippocampus-dependent associative memory (AM) and hippocampus-independent item memory (IM) alongside their corresponding ERP old/new effects. Participants learnt single words and word-pairs before performing an IM- and an AM-test (baseline)...
April 2015: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/25665690/insomnia-in-shift-work-disorder-relates-to-occupational-and-neurophysiological-impairment
#17
Ren Belcher, Valentina Gumenyuk, Thomas Roth
STUDY OBJECTIVES: To determine whether occupational and neurophysiological decrements within shift work disorder (SWD) are differentially related to its two diagnostic symptoms, insomnia and excessive sleepiness. METHODS: Thirty-four permanent night workers participated in an overnight lab protocol including a multiple sleep latency test (MSLT) and an event-related brain potential (ERP) task testing auditory target detection (P3a and P3b). At 16:00, each subject completed an Endicott Work Productivity Scale (EWPS), two Insomnia Severity Indices (ISI-Day, ISI-Night), and an Epworth Sleepiness Scale (ESS)...
April 2015: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/25621719/partial-sleep-deprivation-does-not-alter-processes-involved-in-semantic-word-priming-event-related-potential-evidence
#18
Paniz Tavakoli, Alexandra Muller-Gass, Kenneth Campbell
Sleep deprivation has generally been observed to have a detrimental effect on tasks that require sustained attention for successful performance. It might however be possible to counter these effects by altering cognitive strategies. A recent semantic word priming study indicated that subjects used an effortful predictive-expectancy search of semantic memory following normal sleep, but changed to an automatic, effortless strategy following total sleep deprivation. Partial sleep deprivation occurs much more frequently than total sleep deprivation...
March 2015: Brain and Cognition
https://www.readbyqxmd.com/read/25596494/stability-of-p50-auditory-sensory-gating-during-sleep-from-infancy-to-4-years-of-age
#19
Sharon K Hunter, Sabreena J Gillow, Randal G Ross
The stability of cerebral inhibition was assessed across early childhood using a paired-click auditory sensory gating paradigm. The P50 ERP was measured during REM (or its infant analogue, active sleep) and NREM sleep in 14 children at approximately 3 months of age and again at approximately 4 years of age. Evoked response amplitudes, latencies, and the S2/S1 ratio of the amplitudes of the evoked responses were compared between the two visits. Significant reliability was found for the S2/S1 ratio (r = .73, p = ...
March 2015: Brain and Cognition
https://www.readbyqxmd.com/read/25533582/low-level-vagosympathetic-trunk-stimulation-inhibits-atrial-fibrillation-in-a-rabbit-model-of-obstructive-sleep-apnea
#20
Mei Gao, Ling Zhang, Benjamin J Scherlag, Bing Huang, Stavros Stavrakis, Yue-Mei Hou, Yinglong Hou, Sunny S Po
BACKGROUND: Atrial fibrillation (AF) is highly associated with obstructive sleep apnea (OSA) in which AF is triggered by hyperactivity of the cardiac autonomic nervous system. Previous studies showed that low-level vagosympathetic trunk stimulation (LLVS), at voltages not slowing sinus rate or AV conduction, inhibits AF by suppressing the cardiac autonomic nervous system. OBJECTIVE: The purpose of this study was to investigate whether LLVS delivered at the right vagosympathetic trunk suppresses AF in a rabbit model of OSA...
April 2015: Heart Rhythm: the Official Journal of the Heart Rhythm Society
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