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26. A randomized controlled cross-over double blind study protocol on THC/CBD oromucosal spray as an add-on therapy for post-stroke spasticity
Understand if cannabinoids (THC:CBD) are useful in reducing post-stroke spasticity using a neurophysiological quantitative measure as primary endpoint.We will recruit 50 patients with spasticity following stroke to take THC:CBD in a double blind placebo-controlled crossover study. Spasticity will be assessed with a numeric rating scale for spasticity, the modified Ashworth scale and with the electromyographic recording of the stretch reflex. The cardiovascular risk will be assessed prior to inclusion.
Source: Clinical Neurophysiology - November 11, 2017 Category: Neuroscience Authors: L. Marinelli, M. Balestrino, L. Mori, L. Puce, G. Rosa, L. Giorello, A. Curr à, F. Fattapposta, C. Serrati, C. Gandolfo, G. Abbruzzese, C. Trompetto Source Type: research

Revisiting interhemispheric imbalance in chronic stroke: a tDCS study
The immense burden of stroke-related disability has led to the development of noninvasive brain stimulation (NIBS) as a possible approach to augment neurorehabilitation of the paretic upper limb (Ackerley et al., 2010). Transcranial direct current stimulation (tDCS) is a polarity-dependent neuromodulatory technique that has demonstrated some benefit to motor function at the chronic stage (>6 months) post stroke, but effect sizes have varied (Jacobson et al., 2012; Kang et al., 2015).
Source: Clinical Neurophysiology - October 28, 2017 Category: Neuroscience Authors: Alana B McCambridge, James W Stinear, Winston D Byblow Source Type: research

P 68 Novel control concepts and motor re-learning strategy in neurorehabilitation – practically-oriented approach
Persons suffering from functional impairment, due to cerebral palsy, stroke, or Parkinson ’s, often have not reached their full potential for recovery which often is a reason for injures and loss of life due to fall. Motor skill learning and retention of motor skills can be enhanced if a patient assumes control over practice conditions, e.g. timing of exercise instructions and feedback . In our study, we follow a novel conceptual framework (Despotova and Kiriazov, 2015) for optimal control learning of goal-directed motion tasks, like reaching, standing up and walking.
Source: Clinical Neurophysiology - September 8, 2017 Category: Neuroscience Authors: D. Despotova, P. Kiriazov Tags: Poster Source Type: research

P 66 Transcranial DC stimulation enhances recovery of swallowing function after stroke – a randomized clinical and MEG trial
Transcranial direct current stimulation (tDCS) is a noninvasive brain stimulation tool that has shown some potential to aid motor rehabilitation following stroke. In the present clinical and neuroimaging study we evaluated whether tDCS is able to speed up the recovery of swallowing function in acute dysphagic stroke patients. Besides relating clinical effects with neuroplastic changes in cortical swallowing processing we aimed to identify factors influencing treatment success.
Source: Clinical Neurophysiology - September 8, 2017 Category: Neuroscience Authors: S. Suntrup-Kr üger, C. Ringmaier, P. Muhle, R. Dziewas Tags: Poster Source Type: research

PB 23 Factors predicting global cognitive ability 6month after stroke – preliminary results from the Phys-Stroke trial
Stroke is one of the most frequent causes of chronic and often severe language and motor impairments. Moreover, stroke increases the risk of developing cognitive impairments or even dementia over time (Pendlebury and Rothwell, 2009). Although recent studies investigated predictors of cognitive decline after stroke, several questions remain. In particular, it needs to be clarified whether therapies applied during the rehabilitation phase may reduce or even prevent cognitive decline.
Source: Clinical Neurophysiology - September 8, 2017 Category: Neuroscience Authors: T. Rackoll, K. Prehn, C. N àjera, L. Doppelbauer, A. Flöel Tags: Poster Blitz Source Type: research

FV 13 Electrophysiological correlates of language recovery – an MEG study of neuroplasticity in chronic post stroke aphasia
Previous studies have demonstrated that efficient language and communication therapy in chronic post stroke aphasia leads to significant clinical language improvements (Pulverm üller et al., 2001) and promotes neuroplasticity. Brain areas frequently associated with functional restitution of language comprise perilesional sites in the left hemisphere (MacGregor et al., 2015) as well as right-hemispheric regions, homotopic to those lesioned in the left (Mohr et al., 2014). To date, however, the neuronal mechanisms underlying therapy-induced language changes and functional restitution are still largely unclear.
Source: Clinical Neurophysiology - September 8, 2017 Category: Neuroscience Authors: B. Mohr, S. Difrancesco, L. MacGregor, Y. Shtyrov Tags: Free Lecture Source Type: research

P 167 The functional role of contralesional motor areas in the first days after stroke – an fMRI-guided online TMS-study
Neuroimaging studies in stroke patients with hemiparesis have shown altered brain activation in the contralesional hemisphere including the primary motor cortex (M1), dorsal premotor cortex (dPMC) and anterior intraparietal sulcus (aIPS) already in the first week after stroke (Rehme et al., 2011). The role of these regions for motor recovery is still under debate, with some studies suggesting a supportive influence (Lotze et al., 2006) while other point to a maladaptive role (Nowak et al., 2008).
Source: Clinical Neurophysiology - September 8, 2017 Category: Neuroscience Authors: L. Hensel, C. Tscherpel, J. Freytag, S. Ritter, M. Vollmer, L. Volz, G.R. Fink, C. Grefkes Tags: Poster Source Type: research

P 165 Incidence, clinical characteristics and longterm course of headache in patients with stroke (DMKG multicenter study)
Post stroke headache is a symptom which is generally not further differentiated. According to previous European and American studies, it is a common phenomenon. Nevertheless, other symptoms of stroke, such as palsy or aphasia, are dominating clinical assessments. However, the symptom “headache” can be an essential part of the clinical picture as in subarachnoid bleeding or cerebral venous thrombosis and it is unclear which risk factors modulate the symptoms and the occurrence of headache in stroke.
Source: Clinical Neurophysiology - September 8, 2017 Category: Neuroscience Authors: S. Dietrich, A. D üring, D. Rothkirch, F. Filippopulos, O. Eren, T. Dresler, T. Buchwald, A. Straube, S. Zierz, G. Goßrau, T. Kraya Tags: Poster Source Type: research

P 163 Combining TMS and EEG – a new tool to assess motor system integrity after stroke
Despite the wealth of neuroimaging studies regarding stroke pathophysiology and recovery after stroke, there is still a lack of clinically relevant biomarkers that allow to predict the potential of functional recovery and treatment response at individuals ’ level. Anovel approach is to test motor system integrity by means of combining transcranial magnetic stimulation (TMS) and electroencephalography (EEG). By recording TMS-evoked potentials (TEP), the cortical response to TMS, both local and network responses can be recorded and analyzed in indivi dual subjects (Rogasch and Fitzgerald, 2012; Ferreri, 2011).
Source: Clinical Neurophysiology - September 8, 2017 Category: Neuroscience Authors: C. Tscherpel, S. Dern, S. Bender, F. M üller-Dahlhaus, U. Ziemann, G.R. Fink, C. Grefkes Tags: Poster Source Type: research

P 162 Rhythmic Auditory Stimulation (RAS) as an additional treatment for chronic stroke patients in the outpatient setting: a randomized controlled trial
Rhythmic Auditory Stimulation (RAS) is a rhythmic sensory cueing to enhance gait patterns. Aim of the study was to research the effectiveness of RAS as an additional treatment for chronic stroke patients.
Source: Clinical Neurophysiology - September 8, 2017 Category: Neuroscience Authors: A. Sch öler Tags: Poster Source Type: research

O-2-6-15. Immediate effects of anodal tDCS combined with patterned electrical stimulation on gait performance in patients with stroke
This study aimed to examine the immediate effects of anodal tDCS combined with PES on gait performance in patients with stroke. Twelve patients with subacute stroke participated in this double-masked, sham-controlled cross-over study. They randomly participated in the following sessions on separate days: (1) anodal tDCS+PES; (2) anodal tDCS+sham PES; (3) sham tDCS+PES.
Source: Clinical Neurophysiology - August 17, 2017 Category: Neuroscience Authors: Tomofumi Yamaguchi, Toshiyuki Fujiwara, Kazuhei Maeda, Tsuyoshi Tatemoto, Shigeo Tanabe, Yoko Takahashi, Katsuhiro Mizuno, Yoshihisa Masakado, Meigen Liu Source Type: research

O204 Simultaneous bi-hemispheric repetitive transcranial magnetic stimulation for upper limb motor recovery in chronic stroke: A double blind placebo controlled study
repetitive transcranial magnetic stimulation (rTMS) is a promising intervention for the treatment of post-stroke motor deficits. Since the crucial role of non-primary motor cortices and contralesional brain areas is emerging for motor recovery in chronic stroke; we assessed safety and efficacy of bilateral rTMS over the motor areas associated to physical training (PT) on upper extremity (UE) motor function.
Source: Clinical Neurophysiology - August 17, 2017 Category: Neuroscience Authors: Raffaella Chieffo, Giuseppe Scopelliti, Mario Fichera, Giovanni Di Maggio, Roberto Santangelo, Simone Guerrieri, Elise Houdayer, Abraham Zangen, Giancarlo Comi, Letizia Leocani Source Type: research

S186 Effect of reciprocal pedaling exercise on cortical reorganization and gait in stroke patients
Functional impairment of the lower limb is a major complication in stroke patients. The involvement of the cortex in pedaling has critical clinical implications to control of cyclical motor functions in patients with damaged cortical structures or cortical pathways.The study aimed at determining the effect of reciprocal pedaling exercise (RPE) on the gait and cortical reorganization in the stroke patients.
Source: Clinical Neurophysiology - August 17, 2017 Category: Neuroscience Authors: Mahmoud Rezk, Moshera Darweesh, Mohamed ElTamawy, Mye Basheer Source Type: research

S185 The effect of bilateral arm training on motor areas excitability in chronic stroke patients
Physical therapy exercises that do not enhance motor areas neuroplasticity lead to motor impairment especially at the upper extremity (UE) in the chronic stroke patients. The aim of this study was to assess the effect of using bilateral arm training on motor areas excitability (neuroplasticity) in the chronic stroke patients.
Source: Clinical Neurophysiology - August 17, 2017 Category: Neuroscience Authors: Walaa Ragab, Moshera Darwish, Mohamed El Tamawy, Ann Abdel Kader Source Type: research

O174 Preliminary results of testing the recoveriX system on stroke patients
Motor imagery based brain-computer interfaces (BCI) extract the movement intentions of subjects in real-time and can be used to control a cursor or medical devices. In the last years, the control of functional electrical stimulation (FES) devices drew researchers ’ attention for the post-stroke rehabilitation field. In here, a patient can use the movement imagery to artificially induce movements of the paretic arms through FES in real-time.Five patients who had a stroke that affected the motor system participated in the current study, and were trained acro ss 10 to 24 sessions lasting about 40min each with the recoveriX® system.
Source: Clinical Neurophysiology - August 17, 2017 Category: Neuroscience Authors: Danut Irimia, Rupert Ortner, Francisco Fernandes, Christoph Guger, Alexander Heilinger, Martin Walchshofer, Johannes Gruenwald Source Type: research

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