báo cáo hóa học: " Human-robot cooperative movement training: Learning a novel sensory motor transformation during walking with robotic assistance-as-needed" ppt
báo cáo hóa học: " Human-robot cooperative movement training: Learning a novel sensory motor transformation during walking with robotic assistance-as-needed" doc
... envi-ronment. Bach-y-Rita et al [31] and Reinkensmeyer [32]used games and simple or commercial hardware to assessand motivate arm use.Our approach also uses commercially available, game-based activities ... only for day 2. Again as in EP1, theEMG and video data are not analyzed here and only rep-resentative tracking data are analyzed in the results sec-tion.Representative tracking tasks analyzed ... Movement Speedmetric. These data have been analyzed with the specialattention paid to validate hypotheses 1 and 2. Mean andstandard deviation values are calculated and presented forcontrol (n...
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báo cáo hóa học: " Human-robot cooperative movement training: Learning a novel sensory motor transformation during walking with robotic assistance-as-needed" ppt
... the dynamics of motor adaptation during rehabilitation must be defined. A key question is whether motor rehabilitation is indeedakin to learning a new sensory motor transformation, aswe assumed ... defined a motor learning taskthat was amenable to computational analysis – unim-paired subjects had to overcome a virtual impairmentapplied to their leg with a robot. Defining a simplifiedtask ... at a rate fasterthan the human motor system learns to decrement itsown force. That is, the robot must adapt its performanceto the learning human faster than the human adapts tothe novel sensory...
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Báo cáo hóa học: " Dipolar cortico-muscular electrical stimulation: a novel method that enhances motor function in both - normal and spinal cord injured mice" pdf
... corticomotoneuronal pathway induced byunilateral application of the dCMS. This enhancementwas observed in control animals and in SCI animals thathad severe locomotor impair ment associated with signsof ... ortically-elicite d spinal responses (measuredas peak - to - peak), which was also substantiallyincreased. Examples of contralateral (Figure 6B) andipsilateral (Figure 6D) spinal responses are ... force (optimal length). The head was fixed in a cust om made clamping system. The whole setup wasplaced on an anti-vibration table (WPI, Sarasota, FL,USA). A nimals were kept warm during the...
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báo cáo hóa học: " The design and testing of a novel mechanomyogram-driven switch controlled by small eyebrow movements" docx
... a novel mechanomyogram-driven switch controlled by small eyebrow movementsNatasha Alves1,2 and Tom Chau*1,2AbstractBackground: Individuals with severe physical disabilities and minimal ... thatfalse activations due to blinks and movement wereavoided and participants were able to activate the switchby raising their eyebrows with minimal effort. Once par-ticipants demonstrated ... software was written inVisual Basic to present participants with audio-visualstimuli and to record the times of switch activation andstimulus presentation. Participants were presented with a pseudo-random...
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báo cáo hóa học: "Initial development and testing of a novel foam-based pressure sensor for wearable sensing" doc
... direction.BreathingAs seen in Figure 3a, deep breathing resulted in a sinusoi-dal resistance curve, varying between approximately 2 kΩand 4 kΩ. These are absolute values and a low total changecompared ... unadulterated PU foamsample and that of the PPy-coated PU foams sample weresimilar showing regions of elastic and inelastic responsesto force. Problems such as repeatability and long-termaging ... to shoulder movements was anapproximate 100% decrease in relative resistance as seenin Figure 4. Once again the data appears sufficientlyrobust to reliable detect each shoulder movement; how-ever...
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báo cáo hóa học:" Body fluid derived exosomes as a novel template for clinical diagnostics" ppt
... 5’-GTG ACC ATG CGA ACA AAA GA-3’;GAPDH fwd 5’ -ACA CCC ACT CCT CCA CC T TT -3’,GAPDH rev 5 ’ -TGC TGT AGC CAA ATT CGT TG-3’.To compare and quantify different measurements a cellu-lar cDNA was ... the exosomal membranes.Isolated esRNA was analyzed by PCR. (C) Total RNA was isolated from amniotic fluid and urine exosomes and analyzed via an AgilentBioanalyzer. The results show that exosomes ... contain variable amounts of 18 and 28S rRNAs as well as small and large RNAs.Keller et al. Journal of Translational Medicine 2011, 9:86http://www.translational-medicine.com/content/9/1/86Page...
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Báo cáo hóa học: " Patient-cooperative control increases active participation of individuals with SCI during robot-aided gait training" pdf
... generally trans-lated also to robotic neurorehabilitation [23], whereresearchers aim at making patients participate as activelyas possible during training.Our evaluation has shown that iSCI patients ... Switzerland.Authors’ contributionsAD and AC contributed equally to this work. AD and AC performed themeasurements of all patients, data analysis, statistical analysis, and draftedthe manuscript. ... [16] andreduces kinematic variab ility to a minimum [17]. Ho w-ever, both active participation and kinematic variabi lityare considered as important promotors of motor learning and rehabilitation...
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Báo cáo hóa học: " Effect of visual distraction and auditory feedback on patient effort during robot-assisted movement training after stroke" ppt
... C: track the target with the visual distracterand with sound feedback• T ask D: track the target without the visual distrac-ter and with sound feedback• Task E: same as task A, but with the ... participants with chronicright hemiparesis and fourteen non-impaired healthy control participants, tracked a visual target with their armswhile receiving adaptive assistance from a robotic arm ... zero assistance: in particular Task B -Task A has p =0.0004, the Task C -Task B has p = 0.0085 and the Task A - Task D has p = 0.0023).Secoli et al. Journal of NeuroEngineering and Rehabilitation...
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Báo cáo hóa học: " Influence of the training set on the accuracy of surface EMG classification in dynamic contractions for the control of multifunction prostheses" potx
... threedata sets were used as learning data and the remainingdata set as testing data, thus the training was done on36 contractions (4 contractions per class) [6]. A linear discriminant analysis ... association with the surface EMG of the contralateral limb with anartificial neural network [8,9]. Although this approachallows training in unilateral amputees, it not suitable fo rbilateral amputees ... classifier (LDA) and twomodes of Support Vector Machine (SVM) classifier with Gaussian kernel based boundary were tested. LDA waschosen because it is a simple statistical approach with- out any...
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báo cáo hóa học: "Self-adaptive robot training of stroke survivors for continuous tracking movements" pdf
... ofnon-monotonic and monotonic adaptation was appliedsuccessfully with reaching/hitting movements [6] and ismotivated by the fact that any minimal assistance strat-egy must achieve a stable trade-off ... differentways: as measuring devices and as ‘artificial therapists’.In the first case robots are capable of detecting allaspects of movement and haptic interaction and thusare crucial tools ... phrased this can be formulate d as an assist-as-needed principle [5] or minimal assistance strategy[6]. Although triggered-assistance can be considered as a kind of assist-as-needed paradigm,...
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