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https://www.readbyqxmd.com/read/28813966/exergaming-with-a-pediatric-exoskeleton-facilitating-rehabilitation-and-research-in-children-with-cerebral-palsy
#1
Thomas C Bulea, Zachary F Lerner, Andrew J Gravunder, Diane L Damiano
Effective rehabilitation of children with cerebral palsy (CP) requires intensive task-specific exercise but many in this population lack the motor capabilities to complete the desired training tasks. Providing robotic assistance is a potential solution yet the effects of this assistance are unclear. We combined a novel exoskeleton and exercise video game (exergame) to create a new rehabilitation paradigm for children with CP. We incorporated high density electroencephalography (EEG) to assess cortical activity...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28812048/sensorimotor-rhythm-neurofeedback-as-adjunct-therapy-for-parkinson-s-disease
#2
Ingrid H C H M Philippens, Jacqueline A Wubben, Raymond A P Vanwersch, Dave L Estevao, Peter A Tass
Neurofeedback may enhance compensatory brain mechanisms. EEG-based sensorimotor rhythm neurofeedback training was suggested to be beneficial in Parkinson's disease. In a placebo-controlled study in parkinsonian nonhuman primates we here show that sensorimotor rhythm neurofeedback training reduces MPTP-induced parkinsonian symptoms and both ON and OFF scores during classical L-DOPA treatment. Our findings encourage further development of sensorimotor rhythm neurofeedback training as adjunct therapy for Parkinson's disease which might help reduce L-DOPA-induced side effects...
August 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/28811138/intermittent-hypoxia-training-powerful-non-invasive-cerebroprotection-against-ethanol-withdrawal-excitotoxicity
#3
REVIEW
Marianna E Jung, Robert T Mallet
Ethanol intoxication and withdrawal exact a devastating toll on the central nervous system. Abrupt ethanol withdrawal provokes massive release of the excitatory neurotransmitter glutamate, which over-activates its postsynaptic receptors, causing intense Ca(2+) loading, p38 mitogen activated protein kinase activation and oxidative stress, culminating in ATP depletion, mitochondrial injury, amyloid β deposition and neuronal death. Collectively, these mechanisms produce neurocognitive and sensorimotor dysfunction that discourages continued abstinence...
August 12, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28810171/properties-of-intermodal-transfer-after-dual-visuo-and-auditory-motor-adaptation
#4
Gerd Schmitz, Otmar L Bock
Previous work documented that sensorimotor adaptation transfers between sensory modalities: When subjects adapt with one arm to a visuomotor distortion while responding to visual targets, they also appear to be adapted when they are subsequently tested with auditory targets. Vice versa, when they adapt to an auditory-motor distortion while pointing to auditory targets, they appear to be adapted when they are subsequently tested with visual targets. Therefore, it was concluded that visuomotor as well as auditory-motor adaptation use the same adaptation mechanism...
August 12, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28795443/effect-of-conjugated-linoleic-acids-and-omega-3-fatty-acids-with-or-without-resistance-training-on-muscle-mass-in-high-fat-diet-fed-middle-aged-mice
#5
Sang-Rok Lee, Andy V Khamoui, Edward Jo, Michael C Zourdos, Lynn B Panton, Michael J Ormsbee, Jeong-Su Kim
This study investigated the effects of 20 weeks of combined conjugated linoleic acid/omega-3 fatty acid (n-3) administration independently or combined with resistance exercise training (RET) muscle in middle-aged mice consuming a high-fat diet (HFD). Nine-month-old C57BL/6 mice were randomly assigned into four experimental groups (H: high-fat diet, HE: H + RET, HCN: H + CLA/n-3, and HECN: H + CLA/n3 + RET). Body composition and functional capacity were assessed at pre- and post-intervention. Muscle tissues were collected at 14 months of age...
August 10, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28795396/synaptic-excitation-by-climbing-fibre-collaterals-in-the-cerebellar-nuclei-of-juvenile-and-adult-mice
#6
Marion Najac, Indira M Raman
The inferior olive conveys instructive signals to the cerebellum that drive sensorimotor learning. Inferior olivary neurons transmit their signals via climbing fibres, which powerfully excite Purkinje cells, evoking complex spikes and depressing parallel fibre synapses. Additionally, however, these climbing fibres send collaterals to the cerebellar nuclei (CbN). In vivo and in vitro data suggest that climbing fibre collateral excitation is weak in adult mice, raising the question of whether the primary role of this pathway may be developmental...
August 10, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28777722/toward-an-open-ended-bci-a-user-centered-coadaptive-design
#7
Kiret Dhindsa, Dean Carcone, Suzanna Becker
Brain-computer interfaces (BCIs) allow users to control a device by interpreting their brain activity. For simplicity, these devices are designed to be operated by purposefully modulating specific predetermined neurophysiological signals, such as the sensorimotor rhythm. However, the ability to modulate a given neurophysiological signal is highly variable across individuals, contributing to the inconsistent performance of BCIs for different users. These differences suggest that individuals who experience poor BCI performance with one class of brain signals might have good results with another...
August 4, 2017: Neural Computation
https://www.readbyqxmd.com/read/28768157/neurofeedback-of-smr-and-beta1-frequencies-an-investigation-of-learning-indices-and-frequency-specific-effects
#8
Miguel G Pimenta, Chris van Run, Jan W de Fockert, John H Gruzelier
Despite evidence that Sensorimotor Rhythm (SMR) and beta1 neurofeedback have distinct cognitive enhancement effects, it remains unclear whether their amplitudes can be independently enhanced. Furthermore, demands for top-down attention control, postural restraint and maintenance of cognitive set processes, all requiring low-beta frequencies, might masquerade as learning and confound interpretation. The feasibility of selectively enhancing SMR and beta1 amplitudes was investigated with the addition of a random frequency control condition that also requires the potentially confounding cognitive processes...
July 30, 2017: Neuroscience
https://www.readbyqxmd.com/read/28764837/supportive-treatments-for-patients-with-cancer
#9
Karin Jordan, Petra Feyer, Ulrike Höller, Hartmut Link, Bernhard Wörmann, Franziska Jahn
BACKGROUND: For the treatment of patients with cancer to be successful and well-tolerated, the complications and side effects of the disease and its treatment must be treated and limited as far as possible. Summarized recommendations based on the constantly increasing evidence in the area of supportive care must be defined, standardized, and communicated. METHODS: We systematically reviewed the literature on the topics of anemia, neutropenia, nausea/vomiting, diarrhea, oral mucositis, skin toxicity, and peripheral neurotoxicity induced by cancer treatment, as well as osseous complications, extravasation, and side effects of radiotherapy...
July 10, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28747875/effects-of-high-definition-anodal-transcranial-direct-current-stimulation-applied-simultaneously-to-both-primary-motor-cortices-on-bimanual-sensorimotor-performance
#10
Nils H Pixa, Fabian Steinberg, Michael Doppelmayr
Many daily activities, such as tying one's shoe laces, opening a jar of jam or performing a free throw in basketball, require the skillful coordinated use of both hands. Even though the non-invasive method of transcranial direct current stimulation (tDCS) has been repeatedly shown to improve unimanual motor performance, little is known about its effects on bimanual motor performance. More knowledge about how tDCS may improve bimanual behavior would be relevant to motor recovery, e.g., in persons with bilateral impairment of hand function...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28737256/insula-based-networks-in-professional-musicians-evidence-for-increased-functional-connectivity-during-resting-state-fmri
#11
Anna M Zamorano, Ignacio Cifre, Pedro Montoya, Inmaculada Riquelme, Boris Kleber
Despite considerable research on experience-dependent neuroplasticity in professional musicians, detailed understanding of an involvement of the insula is only now beginning to emerge. We investigated the effects of musical training on intrinsic insula-based connectivity in professional classical musicians relative to nonmusicians using resting-state functional MRI. Following a tripartite scheme of insula subdivisions, coactivation profiles were analyzed for the posterior, ventral anterior, and dorsal anterior insula in both hemispheres...
July 24, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28733834/long-term-intensive-gymnastic-training-induced-changes-in-intra-and-inter-network-functional-connectivity-an-independent-component-analysis
#12
Huiyuan Huang, Junjing Wang, Carol Seger, Min Lu, Feng Deng, Xiaoyan Wu, Yuan He, Chen Niu, Jun Wang, Ruiwang Huang
Long-term intensive gymnastic training can induce brain structural and functional reorganization. Previous studies have identified structural and functional network differences between world class gymnasts (WCGs) and non-athletes at the whole-brain level. However, it is still unclear how interactions within and between functional networks are affected by long-term intensive gymnastic training. We examined both intra- and inter-network functional connectivity of gymnasts relative to non-athletes using resting-state fMRI (R-fMRI)...
July 21, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28729058/impacts-of-sensation-perception-and-motor-abilities-of-the-ipsilesional-upper-limb-on-hand-functions-in-unilateral-stroke-quantifications-from-biomechanical-and-functional-perspectives
#13
Hsiu-Yun Hsu, Chia-Wen Ke, Ta-Shen Kuan, Hsiu-Ching Yang, Ching-Liang Tsai, Li-Chieh Kuo
BACKGROUND: The presence of subtle losses in hand dexterity after stroke affects the regaining of independence with regard to activities of daily living. Therefore, awareness of ipsilesional upper extremity (UE) function may be of importance when developing a comprehensive rehabilitation program. However, current hand function tests seem to be unable to identify asymptomatic UE impairments. OBJECTIVES: To assess the motor coordination as well as the sensory perception of an ipsilesional UE using biomechanical analysis of performance-oriented tasks and conducting a Manual Tactile Test (MTT)...
July 17, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28720981/cerebral-reorganization-in-subacute-stroke-survivors-after-virtual-reality-based-training-a-preliminary-study
#14
Xiang Xiao, Qiang Lin, Wai-Leung Lo, Yu-Rong Mao, Xin-Chong Shi, Ryan S Cates, Shu-Feng Zhou, Dong-Feng Huang, Le Li
BACKGROUND: Functional magnetic resonance imaging (fMRI) is a promising method for quantifying brain recovery and investigating the intervention-induced changes in corticomotor excitability after stroke. This study aimed to evaluate cortical reorganization subsequent to virtual reality-enhanced treadmill (VRET) training in subacute stroke survivors. METHODS: Eight participants with ischemic stroke underwent VRET for 5 sections per week and for 3 weeks. fMRI was conducted to quantify the activity of selected brain regions when the subject performed ankle dorsiflexion...
2017: Behavioural Neurology
https://www.readbyqxmd.com/read/28705227/sensorimotor-learning-neurocognitive-mechanisms-and-individual-differences
#15
REVIEW
R D Seidler, R G Carson
Here we provide an overview of findings and viewpoints on the mechanisms of sensorimotor learning presented at the 2016 Biomechanics and Neural Control of Movement (BANCOM) conference in Deer Creek, OH. This field has shown substantial growth in the past couple of decades. For example it is now well accepted that neural systems outside of primary motor pathways play a role in learning. Frontoparietal and anterior cingulate networks contribute to sensorimotor adaptation, reflecting strategic aspects of exploration and learning...
July 13, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28692658/temporal-specificity-of-the-initial-adaptive-response-in-motor-adaptation
#16
Wilsaan M Joiner, Gary C Sing, Maurice A Smith
Repeated exposure to a novel physical environment eventually leads to a mature adaptive response whereby feedforward changes in motor output mirror both the amplitude and temporal structure of the environmental perturbations. However, adaptive responses at the earliest stages of learning have been found to be not only smaller, but systematically less specific in their temporal structure compared to later stages of learning. This observation has spawned a lively debate as to whether the temporal structure of the initial adaptive response is, in fact, stereotyped and non-specific...
July 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28689758/white-matter-microstructure-predicts-cognitive-training-induced-improvements-in-attention-and-executive-functioning-in-schizophrenia
#17
Karuna Subramaniam, Jeevit Gill, Melissa Fisher, Pratik Mukherjee, Srikantan Nagarajan, Sophia Vinogradov
We examined the relationship between white matter microstructure in schizophrenia using diffusion tensor imaging (DTI) and cognitive improvements induced by 70h (~16weeks) of cognitive training. We measured anatomical connectivity in 48 patients with schizophrenia (SZ) and 28 healthy control participants (HC) at baseline, and then examined the relationship between anatomical connectivity at baseline and training-induced cognitive gains in 30 SZ who performed diffusion imaging after completing 70h of training...
July 6, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28688897/gross-motor-ability-predicts-response-to-upper-extremity-rehabilitation-in-chronic-stroke
#18
Sarah Hulbert George, Mohammad Hossein Rafiei, Alexandra Borstad, Hojjat Adeli, Lynne V Gauthier
The majority of rehabilitation research focuses on the comparative effectiveness of different interventions in groups of patients, while much less is currently known regarding individual factors that predict response to rehabilitation. In a recent article, the authors presented a prognostic model to identify the sensorimotor characteristics predictive of the extent of motor recovery after Constraint-Induced Movement (CI) therapy amongst individuals with chronic mild-to-moderate motor deficit using the enhanced probabilistic neural network (EPNN)...
August 30, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28686990/left-frontal-pole-theta-burst-stimulation-decreases-orbitofrontal-and-insula-activity-in-cocaine-users-and-alcohol-users
#19
Colleen A Hanlon, Logan T Dowdle, Brittany Correia, Oliver Mithoefer, Tonisha Kearney-Ramos, Daniel Lench, Millie Griffin, Raymond F Anton, Mark S George
BACKGROUND: Preclinical research has demonstrated a causal relationship between medial prefrontal cortex activity and cocaine self-administration. As a step towards translating those data to a neural circuit-based intervention for patients, this study sought to determine if continuous theta burst stimulation (cTBS) to the left frontal pole (FP), would attenuate frontal-striatal activity in two substance-dependent populations. METHODS: Forty-nine substance dependent individuals (25 cocaine, 24 alcohol) completed a single-blind, sham-controlled, crossover study wherein they received 6 trains of real or sham cTBS (110% resting motor threshold, FP1) each visit...
May 30, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28682215/could-slackline-training-complement-the-fifa-11-programme-regarding-training-of-neuromuscular-control
#20
Tobias Jäger, Julian Kiefer, Inge Werner, Peter A Federolf
The current study compared changes in neuromuscular control between slackline training and the stabilization training elements of the FIFA 11+ programme. Twenty-five students in 2 groups performed a 12-unit training programme. The slackline training group (n = 13) exclusively trained with a slackline. The stabilization training group (n = 12) practised exercises as described in the second part of the FIFA 11+ programme. Improvements in balance were assessed using three tests for dynamic, quasi-static, and perturbed postural control: the star excursion balance test (SEBT), the closed-eye single-leg stance, and the MFT S3-Check...
September 2017: European Journal of Sport Science
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