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Cantergi, D.; Awasthi, B.; Friedman, J. |
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Title |
Moving objects by imagination? Amount of finger movement and pendulum length determine success in the Chevreul pendulum illusion |
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2021 |
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Human Movement Science |
Abbreviated Journal |
Human Movement Science |
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80 |
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102879 |
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0167-9457 |
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111 |
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Frenkel-Toledo, S.; Levin, M.F.; Berman, S.; Liebermann, D.G.; Baniña, M.C.; Solomon, J.M.; Ofir-Geva, S.; Soroker, N. |
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Shared and distinct voxel-based lesion-symptom mappings for spasticity and impaired movement in the hemiparetic upper limb |
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Journal Article |
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2022 |
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Scientific Reports |
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Sci Rep |
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12 |
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1 |
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2045-2322 |
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113 |
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Mimouni-Bloch, A.; Shaklai, S.; Levin, M.; Ingber, M.; Karolitsky, T.; Grunbaum, S.; Friedman, J. |
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Title |
Developmental and acquired brain injury have opposite effects on finger coordination in children |
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Journal Article |
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Year |
2023 |
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Frontiers in Human Neuroscience |
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Front. Hum. Neurosci. |
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17 |
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1083304 |
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1662-5161 |
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119 |
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Thorpe, A.; Friedman, J.; Evans, S.; Nesbitt, K.; Eidels, A. |
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Title |
Mouse Movement Trajectories as an Indicator of Cognitive Workload |
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2022 |
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International Journal of Human-Computer Interaction |
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International Journal of Human-Computer Interaction |
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38 |
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15 |
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1464-1479 |
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Assessing the cognitive impact of user interfaces is a shared focus of human-computer interaction researchers and cognitive scientists. Methods of cognitive assessment based on data derived from the system itself, rather than external apparatus, have the potential to be applied in a range of scenarios. The current study applied methods of analyzing kinematics to mouse movements in a computer-based task, alongside the detection response task, a standard workload measure. Sixty-five participants completed a task in which stationary stimuli were tar;geted using a mouse, with a within-subjects factor of task workload based on the number of targets to be hovered over with the mouse (one/two), and a between-subjects factor based on whether both targets (exhaustive) or just one target (minimum-time) needed to be hovered over to complete a trial when two targets were presented. Mouse movement onset times were slower and mouse movement trajectories exhibited more submovements when two targets were presented, than when one target was presented. Responses to the detection response task were also slower in this condition, indicating higher cognitive workload. However, these differences were only found for participants in the exhaustive condition, suggesting those in the minimum-time condition were not affected by the presence of the second target. Mouse movement trajectory results agreed with other measures of workload and task performance. Our findings suggest this analysis can be applied to workload assessments in real-world scenarios. |
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1044-7318 |
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117 |
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Krasovsky, T.; Keren-Capelovitch, T.; Friedman, J.; Weiss, P.L. |
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Self-feeding kinematics in an ecological setting: typically developing children and children with cerebral palsy |
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2021 |
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IEEE Transactions on Neural Systems and Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society |
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IEEE Trans Neural Syst Rehabil Eng |
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29 |
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1462-1469 |
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Assessment of self-feeding kinematics is seldom performed in an ecological setting. In preparation for development of an instrumented spoon for measurement of self-feeding in children with cerebral palsy (CP), the current work aimed to evaluate upper extremity kinematics of self-feeding in young children with typical development (TD) and a small, age-matched group of children with CP in a familiar setting, while eating with a spoon. METHODS: Sixty-five TD participants and six children diagnosed with spastic CP, aged 3-9 years, fed themselves while feeding was measured using miniature three-dimensional motion capture sensors (trakStar). Kinematic variables associated with different phases of self-feeding cycle (movement time, curvature, time to peak velocity and smoothness) were compared across age-groups in the TD sample and between TD children and those with CP. RESULTS: Significant between-age group differences were identified in movement times, time to peak velocity and curvature. Children with CP demonstrated slower, less smooth self-feeding movements, potentially related to activity limitations. CONCLUSIONS: The identified kinematic variables form a basis for implementation of self-feeding performance assessment in children of different ages, including those with CP, which can be deployed via an instrumented spoon. |
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English |
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1534-4320 |
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PMID:34280104 |
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110 |
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