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Journal of Neuroengineering and Rehabilitation

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https://www.readbyqxmd.com/read/28202036/kinesthetic-deficits-after-perinatal-stroke-robotic-measurement-in-hemiparetic-children
#1
Andrea M Kuczynski, Jennifer A Semrau, Adam Kirton, Sean P Dukelow
BACKGROUND: While sensory dysfunction is common in children with hemiparetic cerebral palsy (CP) secondary to perinatal stroke, it is an understudied contributor to disability with limited objective measurement tools. Robotic technology offers the potential to objectively measure complex sensorimotor function but has been understudied in perinatal stroke. The present study aimed to quantify kinesthetic deficits in hemiparetic children with perinatal stroke and determine their association with clinical function...
February 15, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28196508/erratum-to-effect-of-a-mixed-reality-based-intervention-on-arm-hand-and-finger-function-on-chronic-stroke
#2
Carolina Colomer, Roberto Llorens, Enrique Noé, Mariano Alcañiz
No abstract text is available yet for this article.
February 14, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28183337/the-added-value-of-kinematic-evaluation-of-the-timed-finger-to-nose-test-in-persons-post-stroke
#3
Gudrun M Johansson, Helena Grip, Mindy F Levin, Charlotte K Häger
BACKGROUND: Upper limb coordination in persons post-stroke may be estimated by the commonly used Finger-to-Nose Test (FNT), which is also part of the Fugl-Meyer Assessment. The total movement time (TMT) is used as a clinical outcome measure, while kinematic evaluation also enables an objective quantification of movement quality and motor performance. Our aims were to kinematically characterize FNT performance in persons post-stroke and controls and to investigate the construct validity of the test in persons with varying levels of impairment post-stroke...
February 10, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28166824/in-lab-versus-at-home-activity-recognition-in-ambulatory-subjects-with-incomplete-spinal-cord-injury
#4
Mark V Albert, Yohannes Azeze, Michael Courtois, Arun Jayaraman
BACKGROUND: Although commercially available activity trackers can aid in tracking therapy and recovery of patients, most devices perform poorly for patients with irregular movement patterns. Standard machine learning techniques can be applied on recorded accelerometer signals in order to classify the activities of ambulatory subjects with incomplete spinal cord injury in a way that is specific to this population and the location of the recording-at home or in the clinic. METHODS: Subjects were instructed to perform a standardized set of movements while wearing a waist-worn accelerometer in the clinic and at-home...
February 6, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28143603/classification-of-upper-limb-center-out-reaching-tasks-by-means-of-eeg-based-continuous-decoding-techniques
#5
Andrés Úbeda, José M Azorín, Ricardo Chavarriaga, José Del R Millán
BACKGROUND: One of the current challenges in brain-machine interfacing is to characterize and decode upper limb kinematics from brain signals, e.g. to control a prosthetic device. Recent research work states that it is possible to do so based on low frequency EEG components. However, the validity of these results is still a matter of discussion. In this paper, we assess the feasibility of decoding upper limb kinematics from EEG signals in center-out reaching tasks during passive and active movements...
February 1, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28143521/small-forces-that-differ-with-prior-motor-experience-can-communicate-movement-goals-during-human-human-physical-interaction
#6
Andrew Sawers, Tapomayukh Bhattacharjee, J Lucas McKay, Madeleine E Hackney, Charles C Kemp, Lena H Ting
BACKGROUND: Physical interactions between two people are ubiquitous in our daily lives, and an integral part of many forms of rehabilitation. However, few studies have investigated forces arising from physical interactions between humans during a cooperative motor task, particularly during overground movements. As such, the direction and magnitude of interaction forces between two human partners, how those forces are used to communicate movement goals, and whether they change with motor experience remains unknown...
January 31, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28143497/gait-disorders-in-the-elderly-and-dual-task-gait-analysis-a-new-approach-for-identifying-motor-phenotypes
#7
Bernard Auvinet, Claude Touzard, François Montestruc, Arnaud Delafond, Vincent Goeb
BACKGROUND: Gait disorders and gait analysis under single and dual-task conditions are topics of great interest, but very few studies have looked for the relevance of gait analysis under dual-task conditions in elderly people on the basis of a clinical approach. METHODS: An observational study including 103 patients (mean age 76.3 ± 7.2, women 56%) suffering from gait disorders or memory impairment was conducted. Gait analysis under dual-task conditions was carried out for all patients...
January 31, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28114996/does-the-finger-to-nose-test-measure-upper-limb-coordination-in-chronic-stroke
#8
Marcos R M Rodrigues, Matthew Slimovitch, Gevorg Chilingaryan, Mindy F Levin
BACKGROUND: We aimed to kinematically validate that the time to perform the Finger-to-Nose Test (FNT) assesses coordination by determining its construct, convergent and discriminant validity. METHODS: Experimental, criterion standard study. Both clinical and experimental evaluations were done at a research facility in a rehabilitation hospital. Forty individuals (20 individuals with chronic stroke and 20 healthy, age- and gender-matched individuals) participated...
January 23, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28103907/the-association-between-fear-of-falling-and-smoothness-of-lower-trunk-oscillation-in-gait-varies-according-to-gait-speed-in-community-dwelling-older-adults
#9
Tsuyoshi Asai, Shogo Misu, Ryuichi Sawa, Takehiko Doi, Minoru Yamada
BACKGROUND: Fear of falling (FoF) is common in community-dwelling older adults. FoF and increased walking speed are associated with lower trunk oscillation during gait in older adults. We hypothesized that older adults with FoF would struggle to walk safely when instructed to walk faster than usual. METHODS: Participants included 260 community-dwelling older adults aged over 65 years (mean age = 71.9 ± 3.9 years) who were able to walk independently without an assistive device...
January 19, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28069073/quantification-of-postural-stability-in-minimally-disabled-multiple-sclerosis-patients-by-means-of-dynamic-posturography-an-observational-study
#10
Lucia Grassi, Stefano Rossi, Valeria Studer, Gessica Vasco, Caterina Motta, Fabrizio Patanè, Enrico Castelli, Silvia Rossi, Paolo Cappa
BACKGROUND: Multiple Sclerosis (MS) is a widespread progressive neurologic disease with consequent impairments in daily activities. Disorders of balance are frequent and equilibrium tests are potentially useful to quantify disability and to verify treatment effectiveness. The fair sensitivity of the widely used not-perturbed tests to detect balance disturbances in MS patients have prompted the development of mechatronic systems capable to impose known equilibrium perturbations, in order to challenge the balance control and, consequently, to better assess the level of impairment...
January 10, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28069028/robot-aided-developmental-assessment-of-wrist-proprioception-in-children
#11
Francesca Marini, Valentina Squeri, Pietro Morasso, Claudio Campus, Jürgen Konczak, Lorenzo Masia
BACKGROUND: Several neurodevelopmental disorders and brain injuries in children have been associated with proprioceptive dysfunction that will negatively affect their movement. Unfortunately, there is lack of reliable and objective clinical examination protocols and our current knowledge of how proprioception evolves in typically developing children is still sparse. METHODS: Using a robotic exoskeleton, we investigated proprioceptive acuity of the wrist in a group of 49 typically developing healthy children (8-15 years), and a group of 40 young adults...
January 9, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28061779/a-motion-classification-strategy-based-on-semg-eeg-signal-combination-for-upper-limb-amputees
#12
Xiangxin Li, Oluwarotimi Williams Samuel, Xu Zhang, Hui Wang, Peng Fang, Guanglin Li
BACKGROUND: Most of the modern motorized prostheses are controlled with the surface electromyography (sEMG) recorded on the residual muscles of amputated limbs. However, the residual muscles are usually limited, especially after above-elbow amputations, which would not provide enough sEMG for the control of prostheses with multiple degrees of freedom. Signal fusion is a possible approach to solve the problem of insufficient control commands, where some non-EMG signals are combined with sEMG signals to provide sufficient information for motion intension decoding...
January 7, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28057016/the-effectiveness-of-robotic-assisted-gait-training-for-paediatric-gait-disorders-systematic-review
#13
Sophie Lefmann, Remo Russo, Susan Hillier
BACKGROUND: Robotic-assisted gait training (RAGT) affords an opportunity to increase walking practice with mechanical assistance from robotic devices, rather than therapists, where the child may not be able to generate a sufficient or correct motion with enough repetitions to promote improvement. However the devices are expensive and clinicians and families need to understand if the approach is worthwhile for their children, and how it may be best delivered. METHODS: The objective of this review was to identify and appraise the existing evidence for the effectiveness of RAGT for paediatric gait disorders, including modes of delivery and potential benefit...
January 5, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/27923391/erratum-to-robot-assisted-and-conventional-therapies-produce-distinct-rehabilitative-trends-in-stroke-survivors
#14
Francisco J Valero-Cuevas, Verena Klamroth-Marganska, Carolee J Winstein, Robert Riener
No abstract text is available yet for this article.
December 6, 2016: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/27881124/effects-of-variable-practice-on-the-motor-learning-outcomes-in-manual-wheelchair-propulsion
#15
Marika T Leving, Riemer J K Vegter, Sonja de Groot, Lucas H V van der Woude
BACKGROUND: Handrim wheelchair propulsion is a cyclic skill that needs to be learned during rehabilitation. It has been suggested that more variability in propulsion technique benefits the motor learning process of wheelchair propulsion. The purpose of this study was to determine the influence of variable practice on the motor learning outcomes of wheelchair propulsion in able-bodied participants. Variable practice was introduced in the form of wheelchair basketball practice and wheelchair-skill practice...
November 23, 2016: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/27846851/physical-activity-outside-of-structured-therapy-during-inpatient-spinal-cord-injury-rehabilitation
#16
Dominik Zbogar, Janice J Eng, William C Miller, Andrei V Krassioukov, Mary C Verrier
BACKGROUND: Little information exists on the content of inpatient rehabilitation stay when individuals with spinal cord injury (SCI) are not engaged in structured rehabilitation therapy sessions. Investigation of inpatient therapy content is incomplete without the context of activities outside of this time. We sought to quantify physical activity occurring outside of physical therapy (PT) and occupational therapy (OT) sessions during inpatient SCI rehabilitation and examine how this activity changes over time from admission to discharge...
November 15, 2016: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/27842598/exploratory-analysis-of-real-personal-emergency-response-call-conversations-considerations-for-personal-emergency-response-spoken-dialogue-systems
#17
Victoria Young, Elizabeth Rochon, Alex Mihailidis
BACKGROUND: The purpose of this study was to derive data from real, recorded, personal emergency response call conversations to help improve the artificial intelligence and decision making capability of a spoken dialogue system in a smart personal emergency response system. The main study objectives were to: develop a model of personal emergency response; determine categories for the model's features; identify and calculate measures from call conversations (verbal ability, conversational structure, timing); and examine conversational patterns and relationships between measures and model features applicable for improving the system's ability to automatically identify call model categories and predict a target response...
November 14, 2016: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/27842562/locomotor-training-through-a-novel-robotic-platform-for-gait-rehabilitation-in-pediatric-population-short-report
#18
C Bayón, S Lerma, O Ramírez, J I Serrano, M D Del Castillo, R Raya, J M Belda-Lois, I Martínez, E Rocon
BACKGROUND: Cerebral Palsy (CP) is a disorder of posture and movement due to a defect in the immature brain. The use of robotic devices as alternative treatment to improve the gait function in patients with CP has increased. Nevertheless, current gait trainers are focused on controlling complete joint trajectories, avoiding postural control and the adaptation of the therapy to a specific patient. This paper presents the applicability of a new robotic platform called CPWalker in children with spastic diplegia...
November 14, 2016: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/27806718/benefits-of-virtual-reality-based-cognitive-rehabilitation-through-simulated-activities-of-daily-living-a-randomized-controlled-trial-with-stroke-patients
#19
Ana Lúcia Faria, Andreia Andrade, Luísa Soares, Sergi Bermúdez I Badia
BACKGROUND: Stroke is one of the most common causes of acquired disability, leaving numerous adults with cognitive and motor impairments, and affecting patients' capability to live independently. There is substancial evidence on post-stroke cognitive rehabilitation benefits, but its implementation is generally limited by the use of paper-and-pencil methods, insufficient personalization, and suboptimal intensity. Virtual reality tools have shown potential for improving cognitive rehabilitation by supporting carefully personalized, ecologically valid tasks through accessible technologies...
November 2, 2016: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/27794362/robotic-quantification-of-upper-extremity-loss-of-independent-joint-control-or-flexion-synergy-in-individuals-with-hemiparetic-stroke-a-review-of-paradigms-addressing-the-effects-of-shoulder-abduction-loading
#20
REVIEW
Michael D Ellis, Yiyun Lan, Jun Yao, Julius P A Dewald
Unsupported or "against-gravity" reaching and hand opening movements are greatly impaired in individuals with hemiparetic stroke. The reduction in reaching excursion and hand opening is thought to be primarily limited by abnormal muscle co-activation of shoulder abductors with distal limb flexors, known as flexion synergy, that results in a loss of independent joint control or joint individuation. Our laboratory employs several methods for quantifying this movement impairment, however the most documented techniques are sophisticated and laboratory-based...
October 29, 2016: Journal of Neuroengineering and Rehabilitation
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