156 research outputs found
Exploring the Design Space of Extra-Linguistic Expression for Robots
In this paper, we explore the new design space of extra-linguistic cues
inspired by graphical tropes used in graphic novels and animation to enhance
the expressiveness of social robots. To achieve this, we identified a set of
cues that can be used to generate expressions, including smoke/steam/fog, water
droplets, and bubbles. We prototyped devices that can generate these fluid
expressions for a robot and conducted design sessions where eight designers
explored the use and utility of the cues in conveying the robot's internal
states in various design scenarios. Our analysis of the 22 designs, the
associated design justifications, and the interviews with designers revealed
patterns in how each cue was used, how they were combined with nonverbal cues,
and where the participants drew their inspiration from. These findings informed
the design of an integrated module called EmoPack, which can be used to augment
the expressive capabilities of any robot platform
Periscope: A Robotic Camera System to Support Remote Physical Collaboration
We investigate how robotic camera systems can offer new capabilities to
computer-supported cooperative work through the design, development, and
evaluation of a prototype system called Periscope. With Periscope, a local
worker completes manipulation tasks with guidance from a remote helper who
observes the workspace through a camera mounted on a semi-autonomous robotic
arm that is co-located with the worker. Our key insight is that the helper, the
worker, and the robot should all share responsibility of the camera view--an
approach we call shared camera control. Using this approach, we present a set
of modes that distribute the control of the camera between the human
collaborators and the autonomous robot depending on task needs. We demonstrate
the system's utility and the promise of shared camera control through a
preliminary study where 12 dyads collaboratively worked on assembly tasks.
Finally, we discuss design and research implications of our work for future
robotic camera systems that facilitate remote collaboration.Comment: This is a pre-print of the article accepted for publication in PACM
HCI and will be presented at CSCW 202
Erythropoietin Improves the Healing of Skin Necrosis Resulting From Doxorubicin Extravasation in a Rat Model
AbstractBackgroundDoxorubicin is an antineoplastic agent that causes skin necrosis when extravasated. Various agents have been tried to reduce tissue damage owing to extravasation. Erythropoietin (EPO) is an obligatory growth factor for red blood cells and has beneficial effects on wound healing.ObjectiveThe aim of this study was to test the hypothesis that local EPO injection can prevent and improve healing of necrosis at the doxorubicin injection site in rats.MethodsWe used 31 female Sprague-Dawley rats. The dorsal area of each rat was shaved, and 2 mg of doxorubicin in 0.5 mL saline was injected intradermally. The rats were then divided into 3 groups: control; control with intradermal injection of saline; and treatment, which received an intradermal injection of EPO. EPO in saline was injected into 4 quadrants of the same site where doxorubicin was injected 1 hour before. The rats were monitored and the area of each ulcer was measured. Skin biopsies were excised at the end of 4 weeks using anesthetic pentobarbital. Inflammation, edema, epithelization, neovascularization, necrosis, fibroblast proliferation, and collagen synthesis were evaluated and compared between groups.ResultsThe average areas of the lesions were significantly smaller in the EPO-injected rats (P = 0.03). The histopathologic evaluation revealed that the scores for epithelization, neovascularization, fibroblast proliferation, and collagen synthesis were higher (P < 0.001, P < 0.001, P = 0.002, and P = 0.04, respectively) and the score for necrosis was lower (P < 0.001) in the EPO-injected group than in both the saline-injected and control groups.ConclusionsIn this study using female Sprague-Dawley rats, EPO treatment improved the healing of skin necrosis caused by doxorubicin injection. This finding may lead to a new therapeutic approach for the management of skin necrosis caused by doxorubicin extravasation
Knowledge Level of Medical, Pharmacy and Nursing Students About Vaccination and Vaccine Safety
DergiPark: 762682tmsjAims: This study aims to determine the knowledge level of medical, pharmacy, and nursing students at Trakya University regar- ding vaccination and vaccine safety. Methods: A questionnaire comprised of 8 questions was completed by 383 students in Feb- ruary 2020. Out of 383 participants, there were 143 medical, 95 pharmacy, and 145 nursing students. The relation of knowledge level with gender, faculty, and the grade were evaluated using the Chi-Square test. Results: Out of 383 students 19.9% stated that they had no knowledge about national childhood vaccination schedule of Turkey, 14.6% thought vaccines cause autism, 83.7% stated that they do not regularly get vaccines recommended for adults, and 68.6% did not have the proper answer to the question of where vaccination can be applied. Conclusion: Vaccines and vaccine safety concerns health care students closely, yet these students have insufficient knowledge about vaccines. As a solution to this problem, more time can be spared for vaccination and vaccine safety subjects in the curriculum of these faculties
Relationship between individual differences in functional connectivity and facial emotion recognition abilities in traumatic brain injury
Although several studies have demonstrated that facial-affect recognition impairment is common following moderate-severe traumatic brain injury (TBI), and that there are diffuse alterations in large-scale functional brain networks in TBI populations, little is known about the relationship between the two. Here, in a sample of26 participants with TBI and 20 healthy comparison participants (HC) we measured facial-affect recognition abilities and resting-state functional connectivity (rs-FC) using fMRI. We then used network-based statistics to ex-amine (A) the presence of rs-FC differences between individuals with TBI and HC within the facial-affect processing network, and (B) the association between inter-individual differences in emotion recognition skills and rs-FC within the facial-affect processing network. We found that participants with TBI showed significantly lower rs-FC in a component comprising homotopic and within-hemisphere, anterior-posterior connections with-in the facial-affect processing network. In addition, within the TBI group, participants with higher emotion-labeling skills showed stronger rs-FC within a network comprised of intra- and inter-hemispheric bilateral connections. Findings indicate that the ability to successfully recognize facial-affect after TBI is related to rs-FC within components of facial-affective networks, and provide new evidence that further our understanding of the mechanisms underlying emotion recognition impairment in TBI
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