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Source: Clinical Neurophysiology
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Total 347 results found since Jan 2013.
Generalization of improved step length symmetry from treadmill to overground walking in persons with stroke and hemiparesis
Conclusions: Stroke and hemiparesis do not impair generalization of step length symmetry changes from adapted treadmill to overground walking, but prolong overground aftereffects.Significance: Motor adaptation during treadmill walking may be an effective treatment for improving overground gait asymmetries post-stroke.
Source: Clinical Neurophysiology - November 27, 2013 Category: Neuroscience Authors: Douglas N. Savin, Susanne M. Morton, Jill Whitall Tags: Movement, Motor Control and Movement Disorders Source Type: research
112. Low frequency repetitive transcranial magnetic stimulation in early phase of rehabilitation of patients with post-stroke aphasia
About 50% of post-stroke patients remain aphasic a condition that greatly impede their reintegration to society. Results of Repetitive Transcranial Magnetic Stimulation (rTMS) as supplementary treatment for sub-acute post-stroke aphasia are controversial. We assessed the efficacy of inhibitory rTMS with conventional speech therapy to help recovery language performance in sub-acute stroke aphasia.In a randomised case-control double-blind study 12 non-fluent aphasic were consecutively enrolled. All patients suffered a first-ever stroke in the sub-acute stage defined as time since lesion onset from 1 month post-stroke.
Source: Clinical Neurophysiology - December 13, 2014 Category: Neuroscience Authors: R. Carrai, A. Grippo, A. Angelini, A. Vettori, T. Atzori, C. Falsini, M. Martini, A. Pizzi Source Type: research
P11. Connectivity-based predictions of hand motor outcome at the sub-acute stage after stroke
Predicting motor recovery after stroke is a recognized aim in stroke rehabilitation. Here, we combine two different neuroimaging methods to test their prognostic power at the sub-acute stage after stroke. We measured resting state fMRI (rs-fMRI) and diffusion weighted imaging (DWI) in 19 stroke patients within the first days (5–9days) after stroke and investigated short term (3months) and long term (6months) motor outcome.Resting-state functional connectivity (rs-FC) showed no relevant predictive value for motor outcome.
Source: Clinical Neurophysiology - July 5, 2015 Category: Neuroscience Authors: J. Lindow, M. Domin, M. Grothe, W. Byblow, M. Lotze Source Type: research
EP 9. Prevalence, clinical characteristics and long-term course of headache in patients with stroke (multicenter study of DMKG)
Headache in association with stroke is a symptom not at all differentiated and investigated in Germany. According to previous data, it seems to be a common problem, but usually other symptoms of stroke are predominating. Furthermore, the treatment is focused on acute therapy of ischemic stroke followed by rehabilitation. However, headaches in subarachnoid hemorrhage as a special type of stroke represents the leading clinical symptom and thus also be diagnostically significant. Headache in stroke should be classified as symptomatic headache (IHS 6.1 –6.2).
Source: Clinical Neurophysiology - August 5, 2016 Category: Neuroscience Authors: S. Dietrich, A. D üring, D. Rothkirch, F. Filippopulos, O. Eren, T. Dresler, A. Straube, G. Goßrau, T. Kraya Source Type: research
Bilateral early activity in the hip flexors associated with Falls in Stroke Survivors: Preliminary evidence from laboratory-induced falls
Stroke is the leading cause of disability in the US with an additional 800,000 incidents occurring each year (CDC, 2012). Falls present a major risk for stroke survivors, 40% of whom experience a serious fall within their first year (Persson et al., 2011). Up to 69% of falls by stroke survivors result in injuries. Despite the importance of the problem, there is surprisingly little information about what factors contribute to falls in stroke survivors. With few exceptions, the literature has focused on relating metrics of post-stroke static balance (where stepping did not occur) and impairment (clinical scores) to fall outc...
Source: Clinical Neurophysiology - November 20, 2017 Category: Neuroscience Authors: Dmitrijs Celinskis, Mark D. Grabiner, Claire F. Honeycutt Source Type: research
Quantitative EEG and functional outcome following acute ischemic stroke
Stroke is a leading cause of disability and mortality worldwide, and despite advances in disease prevention, acute treatment and rehabilitation, global stroke burden is expected to rise in the future (Feigin et al. 2017). Early post-stroke prognostication is essential both in the short-term (f. ex. in guiding treatment strategies) and in the long-term (to aid in rehabilitation management, in order to improve recovery and minimize disability). Predictors of stroke disability and associate death consistently include age and clinical / imaging related stroke severity (Adams et al.
Source: Clinical Neurophysiology - June 15, 2018 Category: Neuroscience Authors: Carla Bentes, Ana Rita Peralta, Pedro Viana, Hugo Martins, Carlos Morgado, Carlos Casimiro, Ana Catarina Franco, Ana Catarina Fonseca, Ruth Geraldes, Patr ícia Canhão, Teresa Pinho e Melo, Teresa Paiva, José M Ferro Source Type: research
Functional repetitive transcranial magnetic stimulation increases motor cortex excitability in survivors of stroke
Highlights: ► Functional-rTMS (repetitive transcranial magnetic stimulation simultaneously delivered during a voluntary muscle contraction) promoted greater cortical excitability changes than passive-rTMS. ► Survivors of stroke had a refinement in the level of muscle activity and force fluctuations following passive-rTMS. ► Functional-rTMS preferentially modulated the agonist/primary muscle group which may have important clinical implications for stroke rehabilitation.Abstract: Objective: To determine if repetitive transcranial magnetic stimulation (rTMS) applied to the motor cortex with simultaneous voluntary muscle...
Source: Clinical Neurophysiology - September 20, 2012 Category: Neuroscience Authors: Crystal L. Massie, Brian L. Tracy, Matthew P. Malcolm Tags: Movement, Motor Control and Movement Disorders Source Type: research
S1-1. Spinal cord stimulation for post-stroke pain
Spinal cord stimulation (SCS) is used to treat for several types of intractable pain syndromes, but it is not commonly used for treating post-stroke pain. Therefore, in this study, we analyzed the effects of SCS in patients with post-stroke pain. Neurological imaging and pharmacological analysis using thiopental, ketamine and morphine tests were conducted for 30 patients with post-stroke pain. For all patients, percutaneous electrodes were inserted under local anesthesia, and trial stimulation was performed for 5–7days. If the patient experienced pain relief during the trial stimulation, a pulse generator was implanted. ...
Source: Clinical Neurophysiology - July 16, 2013 Category: Neuroscience Authors: Toshiki Obuchi, Mitsuru Watanabe, Koichiro Sumi, Toshikazu Kano, Kazutaka Kobayashi, Hideki Oshima, Chikashi Fukaya, Atsuo Yoshino, Takamitsu Yamamoto, Yoichi Katayama Tags: Society Proceedings Source Type: research
P 101. Transcranial direct current stimulation for improving function and activities of daily living in patients after stroke. First results of a systematic Cochrane-Review
Conclusion: Our review showed that in some studies tDCS might improve upper extremity function. However, it is still unclear if tDCS could improve generic ADL. Thus further research seems to be needed.
Source: Clinical Neurophysiology - September 1, 2013 Category: Neuroscience Authors: B. Elsner, J. Kugler, M. Pohl, J. Mehrholz Tags: Society Proceedings Source Type: research
P 123. CIPASS: Trial of a daily program of cerebral stimulation by TMS using a PAS paradigm in the recovery phase of stroke patients
Conclusion: A daily program of PAS session seems to induce long-term changes in the excitability of corticospinal projection to wrist muscles in group PAS up to 3days following the end of the stimulation program; motor effects seem however less conclusive. These results have to be confirmed with a larger sample to allow us to draw reliable conclusions. This trial will help us to better understand brain plasticity processes and to prove the relevance of CIPASS use as a therapeutic adjunct in stroke rehabilitation.
Source: Clinical Neurophysiology - September 1, 2013 Category: Neuroscience Authors: T. Mohamed, S.-M. M. Marion, L. Isabelle, D.B. Xavier, G. David, M. Phillipe, C.-L. Evelyne Tags: Society Proceedings Source Type: research
P 101. Transcranial direct current stimulation for improving function and activities of daily living in patients after stroke. First results of a systematic Cochrane-Review
Conclusion: Our review showed that in some studies tDCS might improve upper extremity function. However, it is still unclear if tDCS could improve generic ADL. Thus further research seems to be needed.
Source: Clinical Neurophysiology - September 19, 2013 Category: Neuroscience Authors: B. Elsner, J. Kugler, M. Pohl, J. Mehrholz Tags: Society Proceedings Source Type: research
P 123. CIPASS: Trial of a daily program of cerebral stimulation by TMS using a PAS paradigm in the recovery phase of stroke patients
Conclusion: A daily program of PAS session seems to induce long-term changes in the excitability of corticospinal projection to wrist muscles in group PAS up to 3days following the end of the stimulation program; motor effects seem however less conclusive. These results have to be confirmed with a larger sample to allow us to draw reliable conclusions. This trial will help us to better understand brain plasticity processes and to prove the relevance of CIPASS use as a therapeutic adjunct in stroke rehabilitation.
Source: Clinical Neurophysiology - September 19, 2013 Category: Neuroscience Authors: T. Mohamed, S.-M. M. Marion, L. Isabelle, D.B. Xavier, G. David, M. Phillipe, C.-L. Evelyne Tags: Society Proceedings Source Type: research
63. Resting state cortical electroencephalographic rhythms in acute stroke patients
Patients suffering from Alzheimer’s disease, Parkinson disease with dementia, and diffuse cerebrovascular dementia show different features of cortical sources of resting state electroencephalographic (EEG) rhythms (Babiloni et al., 2004, 2011). Here, we tested the hypothesis that stroke patients are characterized by peculiar abnormalities of these rhythms. Resting state eyes-closed EEG data were recorded in 29 acute stroke, 29 Alzheimer’s disease, 29 mild cognitive impairment patients, and 29 cognitively intact elderly subjects. Stroke patients were age matched with the other groups, they showed a mild cognitive declin...
Source: Clinical Neurophysiology - October 21, 2013 Category: Neuroscience Authors: F. Infarinato, C. Del Percio, R. Lizio, P. Sale, M. Franceschini, V. Lombardi, F. Orzi, P.M. Rossini, C. Babiloni Tags: Society Proceedings Source Type: research
146. Excitatory deep transcranial magnetic stimulation with H-coil over the right homologous Broca’s region improves naming in chronic post-stroke aphasia
This study aimed to compare the effect of excitatory, inhibitory and sham rTMS delivered with H-coil over the right inferior frontal gyrus (IFG) in chronic aphasic patients. Five right-handed post-stroke aphasic patients underwent a picture naming task before and immediately after each of three sessions of rTMS: excitatory (10Hz), inhibitory (1Hz) and sham rTMS, in random sequence and separated by at least 1 week. Only the excitatory 10Hz stimulation was associated with a significant improvement in naming performance, (p=0.043) and was significantly more effective than 1Hz rTMS (p=0.043). A single session of excitatory dee...
Source: Clinical Neurophysiology - October 21, 2013 Category: Neuroscience Authors: R. Chieffo, F. Ferrari, P. Battista, E. Houdayer, A. Nuara, F. Alemanno, J. Abutalebi, A. Zangen, G. Comi, S.F. Cappa, L. Leocani Tags: Society Proceedings Source Type: research
Neuromagnetic beta and gamma oscillations in the somatosensory cortex after music training in healthy older adults and a chronic stroke patient
Conclusions: The proposed stimulation paradigm captures the integrity of primary somatosensory hand representation. Source position and synchronization between the stimuli and gamma activity are indices, sensitive to music-supported training. Responsiveness was also observed in a chronic stroke patient, encouraging for the music-supported therapy. Notably, changes in somatosensory responses were observed, even though the therapy did not involve specific sensory discrimination training.Significance: The proposed protocol can be used for monitoring changes in neuronal organization during training and will improve the underst...
Source: Clinical Neurophysiology - December 2, 2013 Category: Neuroscience Authors: Shahab Jamali, Takako Fujioka, Bernhard Ross Tags: Sensation, Central Sensory Pathways and their Disorders Source Type: research
