ORCID Profile
0000-0001-6587-1278
Current Organisations
Icahn School of Medicine at Mount Sinai
,
University of Sydney
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Information Systems | Ubiquitous Computing | Computer-Human Interaction
Health and Support Services not elsewhere classified | Information and Communication Services not elsewhere classified |
Publisher: ACM
Date: 29-10-2023
Publisher: IEEE
Date: 06-2010
Publisher: ACM
Date: 16-10-2011
Publisher: Association for Computing Machinery (ACM)
Date: 03-11-2021
DOI: 10.1145/3488536
Abstract: Eyes-free operation of mobile devices is critical in situations where the visual channel is either unavailable or attention is needed elsewhere. In such situations, vibrotactile tracing along paths or lines can help users to navigate and identify symbols and shapes without visual information. In this paper, we investigated the applicability of different metrics that can measure the effectiveness of vibrotactile line tracing methods on touch screens. In two user studies, we compare trace Length Error, Area Error, and Fréchet Distance as alternatives to commonly used trace Time. Our results show that a lower Fréchet distance is correlated better with the comprehension of a line trace. Furthermore, we show that distinct feedback methods perform differently with varying geometric features in lines and propose a segmented line design for tactile line tracing studies. We believe the results will inform future designs of eyes-free operation techniques and studies.
Publisher: Association for Computing Machinery (ACM)
Date: 12-2010
Abstract: This article explores direct touch and manipulation techniques for surface computing environments using a specialized haptic force feedback stylus, called ImpAct, which can dynamically change its effective length and equipped with sensors to calculate its orientation in world coordinates. When a user pushes it against a touch screen, the physical stylus shrinks and a rendered projection of the stylus is drawn inside the screen, giving the illusion that it is submerged in the display device. Once the users can see the stylus immersed in the digital world below the screen, he or she can manipulate and interact with the virtual objects with active haptic sensations. In this article, ImpAct's functionality, design, and prototype applications are described in detail with relevance to the concept of direct touch, giving special attention to novel interaction scenarios and design challenges. Furthermore, a technical evaluation was done to study ImpAct's accuracy and controlability and the results presented. This article concludes by discussing ImpAct's current limitations and future perspectives as a direct touch and manipulation tool.
Publisher: ACM
Date: 18-04-2015
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 2022
Publisher: ACM
Date: 12-12-2011
Publisher: ACM
Date: 16-03-2020
Publisher: Elsevier BV
Date: 12-2023
Publisher: ACM
Date: 11-10-2018
Publisher: Springer Science and Business Media LLC
Date: 03-03-2011
Publisher: ACM
Date: 10-04-2010
Publisher: Springer Science and Business Media LLC
Date: 23-09-2016
Publisher: ACM
Date: 16-10-2016
Publisher: ACM
Date: 12-12-2011
Publisher: ACM
Date: 17-10-2019
Publisher: ACM
Date: 19-04-2023
Publisher: ACM
Date: 07-08-2011
Publisher: ACM
Date: 20-11-2022
Publisher: ACM
Date: 26-07-2010
Publisher: ACM
Date: 05-05-2012
Publisher: ACM
Date: 17-10-2019
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 12-2021
Publisher: ACM
Date: 03-10-2010
Publisher: ACM
Date: 07-03-2014
Publisher: IEEE
Date: 02-2011
Publisher: ACM
Date: 17-10-2017
Publisher: ACM
Date: 14-02-2021
Publisher: ACM
Date: 10-10-2021
Publisher: ACM
Date: 19-04-2018
Publisher: ACM
Date: 16-03-2017
Publisher: Springer International Publishing
Date: 2020
Publisher: ACM
Date: 15-12-2010
Publisher: ACM
Date: 04-06-2016
Publisher: ACM
Date: 27-03-2023
Publisher: ACM
Date: 02-12-2014
Publisher: Springer Science and Business Media LLC
Date: 21-10-2016
DOI: 10.1038/SREP35775
Abstract: Caspases have recently emerged as key regulators of axonal pruning and degeneration and of long-term depression (LTD), a long-lasting form of synaptic plasticity. However, the mechanism underlying these functions remains unclear. In this context, XIAP has been shown to modulate these processes. The neuron-specific form of FAIM protein (FAIM-L) is a death receptor antagonist that stabilizes XIAP protein levels, thus preventing death receptor-induced neuronal apoptosis. Here we show that FAIM-L modulates synaptic transmission, prevents chemical-LTD induction in hippoc al neurons, and thwarts axon degeneration after nerve growth factor (NGF) withdrawal. Additionally, we demonstrate that the participation of FAIM-L in these two processes is dependent on its capacity to stabilize XIAP protein levels. Our data reveal FAIM-L as a regulator of axonal degeneration and synaptic plasticity.
Publisher: ACM
Date: 16-12-2009
Publisher: ACM
Date: 05-05-2012
Publisher: ACM
Date: 16-12-2009
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 06-2023
Publisher: ACM
Date: 09-03-2015
Location: Italy
Location: United States of America
Start Date: 2020
End Date: 2022
Funder: Australian Research Council
View Funded ActivityStart Date: 07-2020
End Date: 12-2024
Amount: $427,116.00
Funder: Australian Research Council
View Funded Activity