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https://www.readbyqxmd.com/read/29779092/neurodynamic-evaluation-and-nerve-conduction-studies-in-patients-with-forward-head-posture
#1
Tugba Ozudogru Celik, Burcu Duyur Cakit, Baris Nacir, Hakan Genc, Mehmet Onat Cakit, Aynur Karagoz
Forward head posture (FHP) is one of the most frequently seen problems. The aim of this study was to evaluate the neurodynamic tests and peripheral nerve conductions of upper extremity in patients with FHP. The study population included 100 patients with upper extremity and neck problems and 34 healthy individuals as a control group. Craniovertebral angle measurement was used to determine forward head posture. Stretch tests for radial, ulnar and median nerves were performed. Nerve conductions of bilateral median, radial, ulnar and medial antebrachial cutaneous (MAC) nerves were examined in all patients included in the study...
May 19, 2018: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/29774480/topographical-assessment-of-neurocortical-connectivity-by-using-directed-transfer-function-and-partial-directed-coherence-during-meditation
#2
Laxmi Shaw, Aurobinda Routray
Due to the presence of nonlinearity and volume conduction in electroencephalography (EEG), sometimes it's challenging to find out the actual brain network from neurodynamical alteration. In this paper, two well-known time-frequency brain connectivity measures, namely partial directed coherence (PDC) and directed transfer function (DTF), have been applied to evaluate the performance analysis of EEG signals obtained during meditation. These measures are implemented to the multichannel meditation EEG data to get the directed neural information flow...
May 17, 2018: Cognitive Processing
https://www.readbyqxmd.com/read/29720378/immediate-effects-of-acupuncture-on-the-mechanosensitivity-of-the-median-nerve-an-exploratory-randomised-trial
#3
Nuno Morais, Henry Johannes Greten, Maria João Santos, Jorge Pereira Machado
BACKGROUND: Acupuncture appears to reduce the mechanosensitivity of peripheral nerves in animal models; yet, this possibility has not been demonstrated in humans. OBJECTIVES: The main objective of this exploratory trial was to evaluate the immediate effects of acupuncture on the mechanosensitivity of the median nerve, measured by the elbow extension range-of-motion (EE-ROM) at pain onset and maximum tolerance during the upper limb neurodynamic test 1 (ULNT1). Additional objectives were to test the effects of two different points in ULNT1 responses and critically appraise pre-/post-intervention changes for conducting future research...
May 2, 2018: Acupuncture in Medicine: Journal of the British Medical Acupuncture Society
https://www.readbyqxmd.com/read/29712783/conditional-bistability-a-generic-cellular-mnemonic-mechanism-for-robust-and-flexible-working-memory-computations
#4
Guillaume Rodriguez, Matthieu Sarazin, Alexandra Clemente, Stephanie Holden, Jeanne T Paz, Bruno Delord
Persistent neural activity, the substrate of working memory, is thought to emerge from synaptic reverberation within recurrent networks. However, reverberation models do not robustly explain fundamental dynamics of persistent activity, including high-spiking irregularity, large intertrial variability, and state transitions. While cellular bistability may contribute to persistent activity, its rigidity appears incompatible with persistent activity labile characteristics. Here, we unravel in a cellular model a form of spike-mediated conditional bistability that is robust, generic and provides a rich repertoire of mnemonic computations...
April 30, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29676404/commentary-a-neurodynamic-perspective-on-musical-enjoyment-the-role-of-emotional-granularity
#5
COMMENT
Charlotte L Doyle
No abstract text is available yet for this article.
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29669688/immediate-effects-of-thoracic-spine-thrust-manipulation-on-neurodynamic-mobility
#6
Aaron J Hartstein, Arthur J Lievre, Jason K Grimes, Sheri A Hale
OBJECTIVE: The purpose of this study was to investigate the immediate effects of thoracic spine thrust manipulation (TSM) on the upper limb provocation test (ULPT) and seated slump test (SST) in individuals with identified neurodynamic mobility impairments. A secondary aim was to determine if correlation existed between the perception of effect and improvements in neurodynamic mobility following a thrust manipulation compared with mobilization. METHODS: A pretest-posttest experimental design randomized 48 adults into 2 groups: TSM or mobilization...
April 15, 2018: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/29643826/a-neurodynamic-model-of-feature-based-spatial-selection
#7
Mateja Marić, Dražen Domijan
Huang and Pashler (2007) suggested that feature-based attention creates a special form of spatial representation, which is termed a Boolean map. It partitions the visual scene into two distinct and complementary regions: selected and not selected. Here, we developed a model of a recurrent competitive network that is capable of state-dependent computation. It selects multiple winning locations based on a joint top-down cue. We augmented a model of the WTA circuit that is based on linear-threshold units with two computational elements: dendritic non-linearity that acts on the excitatory units and activity-dependent modulation of synaptic transmission between excitatory and inhibitory units...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29559834/is-pharmacologic-treatment-better-than-neural-mobilization-for-cervicobrachial-pain-a-randomized-clinical-trial
#8
César Calvo-Lobo, Francisco Unda-Solano, Daniel López-López, Irene Sanz-Corbalán, Carlos Romero-Morales, Patricia Palomo-López, Jesús Seco-Calvo, David Rodríguez-Sanz
Purpose: This study aim was to compare the effectiveness of the median nerve neural mobilization (MNNM) and cervical lateral glide (CLG) intervention versus oral ibuprofen (OI) in subjects who suffer cervicobrachial pain (CP). Methods: This investigation was a, multicenter, blinded, randomized controlled clinical trial (NCT02595294; NCT02593721). A number of 105 individuals diagnosed with CP were enrolled in the study and treated in 2 different medical facilities from July to November 2015. Participants were recruited and randomly assigned into 3 groups of 35 subjects...
2018: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29528796/effect-of-dry-needling-on-cubital-tunnel-syndrome-three-case-reports
#9
Sudarshan Anandkumar, Murugavel Manivasagam
This case series describes three patients who presented with right medial elbow pain managed unsuccessfully with conservative treatment that included medication, massage, exercise therapy, ultrasound therapy, neurodynamic mobilization, and taping. Diagnosis of cubital tunnel syndrome was based on palpatory findings, a positive elbow flexion test, and a positive Tinel's sign. Conventionally, the intervention for this entrapment has been surgical decompression, with successful outcomes. This is potentially a first-time description of the successful management of cubital tunnel syndrome with dry needling (DN) using a recently published DN grading system...
March 12, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29484255/brain-resting-state-networks-in-adolescents-with-high-functioning-autism-analysis-of-spatial-connectivity-and-temporal-neurodynamics
#10
Antoine Bernas, Evelien M Barendse, Albert P Aldenkamp, Walter H Backes, Paul A M Hofman, Marc P H Hendriks, Roy P C Kessels, Frans M J Willems, Peter H N de With, Svitlana Zinger, Jacobus F A Jansen
Introduction: Autism spectrum disorder (ASD) is mainly characterized by functional and communication impairments as well as restrictive and repetitive behavior. The leading hypothesis for the neural basis of autism postulates globally abnormal brain connectivity, which can be assessed using functional magnetic resonance imaging (fMRI). Even in the absence of a task, the brain exhibits a high degree of functional connectivity, known as intrinsic, or resting-state, connectivity. Global default connectivity in individuals with autism versus controls is not well characterized, especially for a high-functioning young population...
February 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29456095/comparison-of-median-nerve-mechanosensitivity-and-pressure-pain-threshold-in-patients-with-nonspecific-neck-pain-and-asymptomatic-individuals
#11
Seval Yılmaz, Serkan Taş, Öznur Tunca Yılmaz
OBJECTIVE: The purpose of this study was to investigate the presence of median nerve mechanosensitivity by comparing median nerve neurodynamic test results of patients with nonspecific neck pain (NNP) and asymptomatic individuals. METHODS: A total of 40 patients (30 women, 10 men) with NNP between the ages of 21 and 62 years (39.53 ± 10.18 years) and 38 asymptomatic individuals (23 women, 15 men) between the ages of 18 and 60 years (37.13 ± 9.64 years) participated in the study...
March 2018: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/29426826/neurodynamics-and-connectivity-during-facial-fear-perception-the-role-of-threat-exposure-and-signal-congruity
#12
Cody A Cushing, Hee Yeon Im, Reginald B Adams, Noreen Ward, Daniel N Albohn, Troy G Steiner, Kestutis Kveraga
Fearful faces convey threat cues whose meaning is contextualized by eye gaze: While averted gaze is congruent with facial fear (both signal avoidance), direct gaze (an approach signal) is incongruent with it. We have previously shown using fMRI that the amygdala is engaged more strongly by fear with averted gaze during brief exposures. However, the amygdala also responds more to fear with direct gaze during longer exposures. Here we examined previously unexplored brain oscillatory responses to characterize the neurodynamics and connectivity during brief (~250 ms) and longer (~883 ms) exposures of fearful faces with direct or averted eye gaze...
February 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29387655/sciatic-nerve-stiffness-is-not-changed-immediately-after-a-slump-neurodynamics-technique
#13
Tiago Neto, Sandro R Freitas, Ricardo J Andrade, João Gomes, João Vaz, Bruno Mendes, Telmo Firmino, Antoine Nordez, Raúl Oliveira
Background: Neurodynamics techniques aim to assess and improve neural mechanosensitivity. However, there is no in vivo evidence regarding the mechanical effects of these techniques in the nerve stiffness. This study examined the immediate effects of a slump neurodynamics technique in the sciatic nerve shear wave velocity (SWV. i.e. an index of stiffness) using ultrasound-based elastography. Methods: Fourteen healthy participants were included in this experiment...
July 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/29338489/multimodal-physiotherapy-treatment-based-on-a-biobehavioral-approach-for-patients-with-chronic-cervico-craniofacial-pain-a-prospective-case-series
#14
Fernando Marcos-Martín, Luis González-Ferrero, Noelia Martín-Alcocer, Alba Paris-Alemany, Roy La Touche
The purpose of this prospective case series was to observe and describe changes in patients with chronic cervico-craniofacial pain of muscular origin treated with multimodal physiotherapy based on a biobehavioral approach. Nine patients diagnosed with chronic myofascial temporomandibular disorder and neck pain were treated with 6 sessions over the course of 2 weeks including: (1) orthopedic manual physiotherapy (joint mobilizations, neurodynamic mobilization, and dynamic soft tissue mobilizations); (2) therapeutic exercises (motor control and muscular endurance exercises); and (3) patient education...
January 17, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29307812/neurodynamic-techniques-versus-sham-therapy-in-the-treatment-of-carpal-tunnel-syndrome-a-randomized-placebo-controlled-trial
#15
Tomasz Wolny, Paweł Linek
OBJECTIVE: To evaluate the efficacy of neurodynamic techniques used as the sole therapeutic component compared with sham therapy in the treatment of mild and moderate carpal tunnel syndromes (CTS). DESIGN: Single-blinded, randomized placebo-controlled trial. SETTING: Several medical clinics. PARTICIPANTS: Volunteer sample of patients (N=250) diagnosed with CTS (n=150). INTERVENTIONS: Neurodynamic techniques were used in the neurodynamic techniques group, and sham therapy was used in the sham therapy group...
January 4, 2018: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29249338/wavelet-coherence-based-classifier-a-resting-state-functional-mri-study-on-neurodynamics-in-adolescents-with-high-functioning-autism
#16
Antoine Bernas, Albert P Aldenkamp, Svitlana Zinger
BACKGROUND AND OBJECTIVE: The autism spectrum disorder (ASD) diagnosis requires a long and elaborate procedure. Due to the lack of a biomarker, the procedure is subjective and is restricted to evaluating behavior. Several attempts to use functional MRI as an assisting tool (as classifier) have been reported, but they barely reach an accuracy of 80%, and have not usually been replicated or validated with independent datasets. Those attempts have used functional connectivity and structural measurements...
February 2018: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/29196322/a-new-high-efficacy-noninvasive-transcranial-electric-stimulation-tuned-to-local-neurodynamics
#17
Carlo Cottone, Andrea Cancelli, Patrizio Pasqualetti, Camillo Porcaro, Carlo Salustri, Franca Tecchio
In this paper, we pose the following working hypothesis: in humans, transcranial electric stimulation (tES) with a time course that mimics the endogenous activity of its target is capable of altering the target's excitability. In our case, the target was the primary motor cortex (M1). We identified the endogenous neurodynamics of hand M1's subgroups of pyramidal neuronal pools in each of our subjects by applying Functional Source Separation (FSS) to their EEG recordings. We then tested whether the corticospinal excitability of the hand representation under the above described stimulation, which we named transcranial individual neurodynamics stimulation (tIDS), was higher than in the absence of stimulation (baseline)...
January 17, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29175199/towards-a-neurodynamical-understanding-of-the-prodrome-in-schizophrenia
#18
REVIEW
Emmi Mikanmaa, Tineke Grent-'t-Jong, Lingling Hua, Marc Recasens, Hanna Thune, Peter J Uhlhaas
The identification of biomarkers for the early diagnosis of schizophrenia that could inform novel treatment developments is an important objective of current research. This paper will summarize recent work that has investigated changes in oscillatory activity and event-related potentials with Electro/Magnetoencephalography (EEG/MEG) in participants at high-risk for the development of schizophrenia, highlighting disruptions in sensory and cognitive operations prior to the onset of the syndrome. Changes in EEG/MEG-data are consistent with evidence for alterations in Glutamatergic and GABAergic neurotransmission as disclosed by Magnetic Resonance Spectroscopy and brain stimulation, indicating changes in Excitation/Inhibition balance parameters prior to the onset of psychosis...
November 22, 2017: NeuroImage
https://www.readbyqxmd.com/read/29170759/autism-attention-and-alpha-oscillations-an-electrophysiological-study-of-attentional-capture
#19
Brandon Keehn, Marissa Westerfield, Ralph-Axel Müller, Jeanne Townsend
Background: Autism spectrum disorder (ASD) is associated with deficits in adaptively orienting attention to behaviorally-relevant information. Neural oscillatory activity plays a key role in brain function and provides a high-resolution temporal marker of attention dynamics. Alpha band (8-12 Hz) activity is associated with both selecting task-relevant stimuli and filtering task-irrelevant information. Methods: The present study used electroencephalography (EEG) to examine alpha-band oscillatory activity associated with attentional capture in nineteen children with ASD and twenty-one age- and IQ-matched typically developing (TD) children...
September 2017: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/29154235/the-use-of-neurodynamic-techniques-in-the-conservative-treatment-of-carpal-tunnel-syndrome-a-critical-appraisal-of-the-literature
#20
Tomasz Wolny
BACKGROUND: Carpal tunnel syndrome (CTS) is the most common peripheral neuropathy, characterized by the presence of many sensory and motor abnormalities. In the physiotherapy of patients with CTS, neurodynamic tech-niques are very common, while the scientific literature does not show clear evidence of beneficial effects obtained by using these techniques. Therefore, the aim of this work was to critically evaluate the use of neurodynamic techniques in the conservative treatment of CTS...
October 31, 2017: Ortopedia, Traumatologia, Rehabilitacja
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