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Author Thorpe, A.; Friedman, J.; Evans, S.; Nesbitt, K.; Eidels, A. pdf  url
doi  openurl
  Title Mouse Movement Trajectories as an Indicator of Cognitive Workload Type Journal Article
  Year 2022 Publication International Journal of Human-Computer Interaction Abbreviated Journal International Journal of Human-Computer Interaction  
  Volume 38 Issue 15 Pages 1464-1479  
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  Abstract 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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  ISSN 1044-7318 ISBN Medium (up)  
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  Notes Approved no  
  Call Number Serial 117  
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Author Steinhart, S.; Weiss, P.L.; Friedman, J. pdf  url
doi  openurl
  Title Proximal and distal movement patterns during a graphomotor task in typically developing children and children with handwriting problems Type Journal Article
  Year 2021 Publication Journal of Neuroengineering and Rehabilitation Abbreviated Journal J Neuroeng Rehabil  
  Volume 18 Issue 1 Pages 178  
  Keywords Arm; Biomechanical Phenomena; Child; *Handwriting; Humans; Motor Skills; *Movement; Upper Extremity; Distal joints; Handwriting; Motor control; Movement analysis; Proximal; Stability  
  Abstract BACKGROUND: Therapists specializing in handwriting difficulties in children often address motor problems including both proximal and distal movements in the upper extremity. Kinematic measures can be used to investigate various aspects of handwriting. This study examined differences in movement patterns in proximal and distal joints of the upper extremity during graphomotor tasks between typically developing children with and without handwriting problems. Additionally, it explored relationships between movement patterns, speed, and legibility of writing. METHODS: Forty-one children, aged 7-11 years, were assessed with the Aleph Aleph Ktav Yad Hebrew Handwriting assessment and the Beery Test of Visual Motor Integration and, based on their scores, were divided into a research group (with handwriting difficulties) and a control group (without handwriting difficulties). Upper extremity joint movement patterns were analyzed with a motion capture system. Differences in the quality of shapes traced and copied on a graphics tablet positioned horizontally and vertically were compared. Between-group differences and relationships with speed and legibility were analyzed. RESULTS: In both groups, there was greater movement in the distal compared to the proximal joints, greater movement when performing the task in a horizontal compared to a vertical plane, and greater movement when tracing than copying. Joint movements in the arm executed scaled-down versions of the shapes being drawn. While the amount of joint displacement was similar between groups, children in the research group showed greater dissimilarity between the drawn shape and the shape produced by the proximal joints. Finally, the drawing measure on the tablet was a significant predictor of legibility, speed of writing, visual motor integration and motor coordination, whereas the dissimilarity measure of joint movement was a significant predictor of speed of writing and motor coordination. CONCLUSIONS: This study provides support for the role of the distal upper extremity joints in the writing process and some guidance to assist clinicians in devising treatment strategies for movement-related handwriting problems. While we observed differences in proximal joint movements between the children with and without handwriting difficulties, the extent to which they are responsible for the differences in drawing quality remains to be determined. Further studies should use a similar methodology to examine additional tasks such as drawing shapes of varying sizes.  
  Address Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel. jason@tau.ac.il  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN 1743-0003 ISBN Medium (up)  
  Area Expedition Conference  
  Notes PMID:34930334; PMCID:PMC8690895 Approved no  
  Call Number Serial 118  
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Author Mimouni-Bloch, A.; Shaklai, S.; Levin, M.; Ingber, M.; Karolitsky, T.; Grunbaum, S.; Friedman, J. pdf  url
doi  openurl
  Title Developmental and acquired brain injury have opposite effects on finger coordination in children Type Journal Article
  Year 2023 Publication Frontiers in Human Neuroscience Abbreviated Journal Front. Hum. Neurosci.  
  Volume 17 Issue Pages 1083304  
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  ISSN 1662-5161 ISBN Medium (up)  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 119  
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Author Geller, N.; Moringen, A.; Friedman, J. pdf  url
doi  openurl
  Title Learning juggling by gradually increasing difficulty vs. learning the complete skill results in different learning patterns Type Journal Article
  Year 2023 Publication Frontiers in Psychology Abbreviated Journal Front Psychol  
  Volume 14 Issue Pages 1284053  
  Keywords coordination; difficulty; juggling; learning strategies; motor learning  
  Abstract Motor learning is central to sports, medicine, and other health professions as it entails learning through practice. To achieve proficiency in a complex motor task, many hours of practice are required. Therefore, finding ways to speed up the learning process is important. This study examines the impact of different training approaches on learning three-ball cascade juggling. Participants were assigned to one of two groups: practicing by gradually increasing difficulty and elements of the juggling movement (“learning in parts”) or training on the complete skill from the start (“all-at-once”). Results revealed that although the all-at-once group in the early stages of learning showed greater improvement in performance, the “learning in parts” group managed to catch up, even over a relatively short period of time. The lack of difference in performance between the groups at the end of the training session suggests that the choice of training regime (between all-at-once and learning in parts), at least in the short term, can be selected based on other factors such as the learner's preference, practical considerations, and cognitive style.  
  Address Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1664-1078 ISBN Medium (up)  
  Area Expedition Conference  
  Notes PMID:38022928; PMCID:PMC10679398 Approved no  
  Call Number Serial 120  
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