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Motor resonance

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https://www.readbyqxmd.com/read/28449372/the-impact-of-mood-on-empathy-for-pain-evidence-from-an-eeg-study
#1
Xiang Li, Xianxin Meng, Hong Li, Jiemin Yang, Jiajin Yuan
The current work investigated whether the neural correlates of empathy for pain are altered by mood valence of observers. Following mood induction, participants watched pictures representing painful or nonpainful situations. We used EEG to record neural activity and assessed event-related desynchronization at central sites during pain observation. Greater mu desynchronization was observed during painful relative to nonpainful situations in positive and neutral mood but not in negative mood. We also found that the pain empathy effect, indexed by mu suppression differences between painful and nonpainful conditions, was smaller in negative than in neutral and positive mood, while this effect was similar between neutral and positive mood...
April 27, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28444083/interictal-abnormal-fmri-activation-of-visual-areas-during-a-motor-task-cued-by-visual-stimuli-in-migraine
#2
Adriana Bastos Conforto, Khallil Taverna Chaim, Mario Fernando Prieto Peres, André Leite Gonçalves, Inara Laurindo Siqueira, Maria Angela Maramaldo Barreiros, Edson Amaro
Objective: To assess changes in blood-oxygen-level-dependent activity after light deprivation compared to regular light exposure in subjects with migraine in the interictal state and in controls. Methods: Ten subjects with migraine and ten controls participated in two sessions of functional magnetic resonance imaging. In each session, they performed a finger-tapping task with the right hand, cued by visual stimuli. They were scanned before and after 30 minutes of light deprivation or light exposure...
January 2017: Einstein
https://www.readbyqxmd.com/read/28443010/enhanced-functional-connectivity-between-the-bilateral-primary-motor-cortices-after-acupuncture-at-yanglingquan-gb34-in-right-hemispheric-subcortical-stroke-patients-a-resting-state-fmri-study
#3
Yanzhe Ning, Kuangshi Li, Caihong Fu, Yi Ren, Yong Zhang, Hongwei Liu, Fangyuan Cui, Yihuai Zou
Increasing neuroimaging researches in stroke rehabilitation had revealed the neural mechanisms of rehabilitation therapy. However, little was known about the neural mechanisms of acupuncture therapy in subcortical stroke patients. The aim of this study was to investigate the changes of functional connectivity (FC) between the bilateral primary motor cortices (M1s) after acupuncture intervention in right subcortical stroke patients. Twenty right-hemispheric subcortical stroke patients and 20 healthy subjects were recruited to undergo one functional magnetic resonance imaging (fMRI) scanning...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28441825/-progressive-cavitating-leukoencephalopathy-four-cases-and-literatures-review
#4
C H Ren, F Fang, H Cheng, C H Ding, C H Chen, Y J Zhang, D M Shen
Objective: To analyze the clinical and genetic features of progressive cavitating leukoencephalopathy (PCL). Method: The data of clinical and genetic features of 4 PCL patients diagnosed by Beijing Children's Hospital between January 2015 and January 2016 were analyzed. The cases with complete clinical data retrieved on literature search at China National Knowledge Infrastructure, Wanfang Data Knowledge Service Platform and PubMed (up to August 2016) by using search terms of"NDUFV1" ,"NDUFS1" , or"leukoencephalopathy" , were summarized...
April 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28441824/-clinical-and-neuroimaging-features-of-acute-encephalopathy-after-status-epilepticus-in-dravet-syndrome
#5
X J Tian, Y H Zhang, A J Liu, X L Yang, Q Zeng, Z X Yang, J T Ye, X Y Liu, Y W Jiang, X R Wu
Objective: To investigate the clinical and neuroimaging characteristics of acute encephalopathy (AE) after status epilepticus (SE) of patients with Dravet syndrome (DS). Method: The clinical data of DS patients who had AE (coma ≥24 h) after SE were retrospectively collected from February 2005 to August 2016 in Peking University First Hospital and SCN1A gene tests were performed.The clinical and neuroimaging features were summarized. Result: Twenty-two patients (9 males and 13 females) with AE were collected among 412 DS patients during follow-up...
April 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28440586/comparison-of-preoperative-quantitative-magnetic-resonance-imaging-and-clinical-assessment-of-deep-pain-perception-as-prognostic-tools-for-early-recovery-of-motor-function-in-paraplegic-dogs-with-intervertebral-disk-herniations
#6
A Wang-Leandro, J S Siedenburg, M K Hobert, P Dziallas, K Rohn, V M Stein, A Tipold
BACKGROUND: Prognostic tools to predict early postoperative motor function recovery (MFR) after thoracolumbar intervertebral disk herniation (IVDH) in paraplegic dogs represent an opportunity to timely implement novel therapies that could shorten recovery times and diminish permanent neurological dysfunctions. HYPOTHESIS: Fractional anisotropy (FA) values obtained using diffusion tensor imaging have a higher prognostic value than a lesion extension ratio in T2-weighted images (T2W-LER) and clinical assessment of deep pain perception (DPP) for MFR...
April 25, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28438578/global-cerebral-ischemia-in-rats-leads-to-amnesiadue-to-selective-neuronal-death-followed-by-astroglial-scar-formationin-the-ca1-layer
#7
Kevin Sadelli, Jean-Claude Stamegna, Stéphane D Girard, Nathalie Baril, Guy Escoffier, Maïna Brus, Antoine D Véron, Michel Khrestchatisky, François S Roman
Global Cerebral Ischemia (GCI) occurs following cardiac arrest or neonatal asphyxia and leads to harmful neurological consequences. In most cases, patients who survive cardiac arrest develop severe cognitive and motor impairments. This study focused on learning and memory deficits associated with brain neuroanatomical reorganization that appears after GCI. The four-vessel occlusion (4VO) model was performed to produce a transient GCI. Hippocampal lesions in ischemic rats were visualized using anatomical Magnetic Resonance Imaging (aMRI)...
April 21, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28438411/magnetic-resonance-imaging-of-the-digital-nerves-of-the-hand-anatomy-and-spectrum-of-pathology
#8
REVIEW
Charles H Mitchell, Laura M Fayad, Shivani Ahlawat
Digital nerves are intrinsic to the sensory and motor function of the hand. These nerves represent the terminal ramifications of the ulnar, median, and radial nerves and are located distal to the carpal tunnel and Guyon canal. With magnetic resonance imaging, traumatic and nontraumatic abnormalities of the digital nerves can be shown with high contrast as well as high spatial resolution. Digital nerve abnormalities are most commonly posttraumatic in nature; however, infection, inflammatory, vascular malformations, and neoplasms can rarely occur...
March 6, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28437619/management-of-posterior-cruciate-ligament-tibial-avulsion-injuries-a-systematic-review
#9
Perry O Hooper, Chris Silko, Tennison L Malcolm, Lutul D Farrow
BACKGROUND: Tibial-sided avulsion injuries of the posterior cruciate ligament (PCL) generally require surgical intervention. No consensus exists concerning the optimal surgical treatment approach for these injuries. PURPOSE: To perform a systematic review investigating the open and arthroscopic surgical treatment modalities, outcomes, and complications of PCL tibial-sided bony avulsions. STUDY DESIGN: Systematic review; Level of evidence, 4...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28436201/brain-responses-to-mechanical-rectal-stimuli-in-patients-with-faecal-incontinence-an-fmri-study
#10
Naseem Mirbagheri, Sean Hatton, Kheng-Seong Ng, Jim Lagopoulos, Marc A Gladman
AIM: Continence is dependent on anorectal/brain interactions. Consequently, aberrations of the brain-gut axis may be important in the pathophysiology of faecal incontinence (FI) in certain patients. The aim of this study was to assess the feasibility of recording brain responses to rectal mechanical stimuli in patients with FI using functional Magnetic Resonance Imaging (fMRI). METHOD: A prospective, cohort pilot study was performed to assess brain responses during rectal stimulation in 14 patients (4 male, mean [SD] age 62 [15] years)...
April 24, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28431740/getting-a-grip-on-reality-grasping-movements-directed-to-real-objects-and-images-rely-on-dissociable-neural-representations
#11
Erez Freud, Scott N Macdonald, Juan Chen, Derek J Quinlan, Melvyn A Goodale, Jody C Culham
In the current era of touchscreen technology, humans commonly execute visually guided actions directed to two-dimensional (2D) images of objects. Although real, three-dimensional (3D), objects and images of the same objects share high degree of visual similarity, they differ fundamentally in the actions that can be performed on them. Indeed, previous behavioral studies have suggested that simulated grasping of images relies on different representations than actual grasping of real 3D objects. Yet the neural underpinnings of this phenomena have not been investigated...
March 18, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28431323/transcranial-magnetic-stimulation-in-developmental-stuttering-relations-with-previous-neurophysiological-research-and-future-perspectives
#12
REVIEW
P Busan, P P Battaglini, M Sommer
Developmental stuttering (DS) is a disruption of the rhythm of speech, and affected people may be unable to execute fluent voluntary speech. There are still questions about the exact causes of DS. Evidence suggests there are differences in the structure and functioning of motor systems used for preparing, executing, and controlling motor acts, especially when they are speech related. Much research has been obtained using neuroimaging methods, ranging from functional magnetic resonance to diffusion tensor imaging and electroencephalography/magnetoencephalography...
April 3, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28429202/small-bowel-motility
#13
REVIEW
Carolina Malagelada, Juan R Malagelada
PURPOSE OF REVIEW: Small bowel motility disorders constitute a relatively small but important segment of clinical gastroenterology. Presenting features encompass a broad range of symptom manifestations and severity: from chronic functional-type complaints to life-threatening nutritional impairment. Diagnostic assessment of patients with suspected intestinal motility disorders is often hampered by the complexity of measuring intestinal contractile activity in humans. In this review, we describe and critically comment the main current and forthcoming methodologies...
June 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28427472/optimising-conservative-management-of-chronic-low-back-pain-study-protocol-for-a-randomised-controlled-trial
#14
Katherine J Simson, Clint T Miller, Jon Ford, Andrew Hahne, Luana Main, Timo Rantalainen, Wei-Peng Teo, Megan Teychenne, David Connell, Guy Trudel, Guoyan Zheng, Gary Thickbroom, Daniel L Belavy
BACKGROUND: Lower back pain is a global health issue affecting approximately 80% of people at some stage in their life. The current literature suggests that any exercise is beneficial for reducing back pain. However, as pain is a subjective evaluation and physical deficits are evident in low back pain, using it as the sole outcome measure to evaluate superiority of an exercise protocol for low back pain treatment is insufficient. The overarching goal of the current clinical trial is to implement two common, conservative intervention approaches and examine their impact on deficits in chronic low back pain...
April 20, 2017: Trials
https://www.readbyqxmd.com/read/28424605/white-matter-integrity-and-treatment-based-change-in-speech-performance-in-minimally-verbal-children-with-autism-spectrum-disorder
#15
Karen Chenausky, Julius Kernbach, Andrea Norton, Gottfried Schlaug
We investigated the relationship between imaging variables for two language/speech-motor tracts and speech fluency variables in 10 minimally verbal (MV) children with autism. Specifically, we tested whether measures of white matter integrity-fractional anisotropy (FA) of the arcuate fasciculus (AF) and frontal aslant tract (FAT)-were related to change in percent syllable-initial consonants correct, percent items responded to, and percent syllable insertion errors (from best baseline to post 25 treatment sessions)...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28424294/gaba-and-primary-motor-cortex-inhibition-in-young-and-older-adults-a-multimodal-reliability-study
#16
Ronan A Mooney, John Cirillo, Winston D Byblow
The effects of healthy ageing on gamma-aminobutyric acid (GABA) within primary motor cortex (M1) remain poorly understood. Studies have reported contrasting results, potentially due to limitations with the common assessment technique. The aim of the present study was to investigate the effect of healthy ageing on M1 GABA concentration and neurotransmission using a multimodal approach. Fifteen young and 16 older adults participated in this study. Magnetic resonance spectroscopy (MRS) was used to measure M1 GABA concentration...
April 19, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28423021/trait-impulsivity-components-correlate-differently-with-proactive-and-reactive-control
#17
Shihua Huang, Zude Zhu, Wei Zhang, Yu Chen, Shuangju Zhen
The relationship between impulsivity and cognitive control is still unknown. We hypothesized that trait impulsivity would differentially correlate with specific cognitive control processes. Trait impulsivity was measured by the Barratt Impulsiveness Scale, which assesses motor, attention, and non-planning impulsiveness components. Cognitive control was measured by a hybrid-designed Stroop task, which distinguishes proactive and reactive control. Thirty-three participants performed the Stroop task while they were scanned by functional magnetic resonance imaging...
2017: PloS One
https://www.readbyqxmd.com/read/28422976/reactivation-or-transformation-motor-memory-consolidation-associated-with-cerebral-activation-time-locked-to-sleep-spindles
#18
Stuart Fogel, Genevieve Albouy, Bradley R King, Ovidiu Lungu, Catherine Vien, Arnaud Bore, Basile Pinsard, Habib Benali, Julie Carrier, Julien Doyon
Motor memory consolidation is thought to depend on sleep-dependent reactivation of brain areas recruited during learning. However, up to this point, there has been no direct evidence to support this assertion in humans, and the physiological processes supporting such reactivation are unknown. Here, simultaneous electroencephalographic and functional magnetic resonance imaging (EEG-fMRI) recordings were conducted during post-learning sleep to directly investigate the spindle-related reactivation of a memory trace formed during motor sequence learning (MSL), and its relationship to overnight enhancement in performance (reflecting consolidation)...
2017: PloS One
https://www.readbyqxmd.com/read/28420981/age-related-difference-in-functional-brain-connectivity-of-mastication
#19
Chia-Shu Lin, Ching-Yi Wu, Shih-Yun Wu, Hsiao-Han Lin, Dong-Hui Cheng, Wen-Liang Lo
The age-related decline in motor function is associated with changes in intrinsic brain signatures. Here, we investigated the functional connectivity (FC) associated with masticatory performance, a clinical index evaluating general masticatory function. Twenty-six older adults (OA) and 26 younger (YA) healthy adults were recruited and assessed using the masticatory performance index (MPI) and resting-state functional magnetic resonance imaging (rs-fMRI). We analyzed the rs-fMRI FC network related to mastication, which was constructed based on 12 bilateral mastication-related brain regions according to the literature...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28420978/resting-state-fmri-reveals-increased-subthalamic-nucleus-and-sensorimotor-cortex-connectivity-in-patients-with-parkinson-s-disease-under-medication
#20
Bo Shen, Yang Gao, Wenbin Zhang, Liyu Lu, Jun Zhu, Yang Pan, Wenya Lan, Chaoyong Xiao, Li Zhang
Functional connectivity (FC) between the subthalamic nucleus (STN) and the sensorimotor cortex is increased in off-medication patients with Parkinson's disease (PD). However, the status of FC between STN and sensorimotor cortex in on-medication PD patients remains unclear. In this study, resting state functional magnetic resonance imaging was employed on 31 patients with PD under medication and 31 healthy controls. Two-sample t-test was used to study the change in FC pattern of the STN, the FC strength of the bilateral STN was correlated with overall motor symptoms, while unilateral STN was correlated with offside motor symptoms...
2017: Frontiers in Aging Neuroscience
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