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When humanoid robots become human-like interaction partners: Corepresentation of robotic actions.
Stenzel, Anna,Chinellato, Eris,Bou, Maria A. Tirado,del Pobil, Á,ngel P.,Lappe, Markus,Liepelt, Roman American Psychological Association 2012 JOURNAL OF EXPERIMENTAL PSYCHOLOGY-HUMAN PERCEPTIO Vol.38 No.5
<P>In human-human interactions, corepresenting a partner's actions is crucial to successfully adjust and coordinate actions with others. Current research suggests that action corepresentation is restricted to interactions between human agents facilitating social interaction with conspecifics. In this study, we investigated whether action corepresentation, as measured by the social Simon effect (SSE), is present when we share a task with a real humanoid robot. Further, we tested whether the believed humanness of the robot's functional principle modulates the extent to which robotic actions are corepresented. We described the robot to participants either as functioning in a biologically inspired human-like way or in a purely deterministic machine-like manner. The SSE was present in the human-like but not in the machine-like robot condition. These findings suggest that humans corepresent the actions of nonbiological robotic agents when they start to attribute human-like cognitive processes to the robot. Our findings provide novel evidence for top-down modulation effects on action corepresentation in human-robot interaction situations.</P>
Matthias Rief,Fabian Stenzel,Anisha Kranz,Peter Schlattmann,Marc Dewey 대한영상의학회 2013 Korean Journal of Radiology Vol.14 No.1
Objective: We aimed to evaluate the time efficiency and diagnostic acObjective: We aimed to evaluate the time efficiency and diagnostic accuracy of automated myocardial computed tomography perfusion (CTP) image analysis software. Materials and Methods: 320-row CTP was performed in 30 patients, and analyses were conducted independently by three different blinded readers by the use of two recent software releases (version 4.6 and novel version 4.71GR001, Toshiba, Tokyo, Japan). Analysis times were compared, and automated epi- and endocardial contour detection was subjectively rated in five categories (excellent, good, fair, poor and very poor). As semi-quantitative perfusion parameters, myocardial attenuation and transmural perfusion ratio (TPR) were calculated for each myocardial segment and agreement was tested by using the intraclass correlation coefficient (ICC). Conventional coronary angiography served as reference standard. Results: The analysis time was significantly reduced with the novel automated software version as compared with the former release (Reader 1: 43:08 ± 11:39 min vs. 09:47 ± 04:51 min, Reader 2: 42:07 ± 06:44 min vs. 09:42 ± 02:50 min and Reader 3: 21:38 ± 3:44 min vs. 07:34 ± 02:12 min; p < 0.001 for all). Epi- and endocardial contour detection for the novel software was rated to be significantly better (p < 0.001) than with the former software. ICCs demonstrated strong agreement (≥ 0.75) for myocardial attenuation in 93% and for TPR in 82%. Diagnostic accuracy for the two software versions was not significantly different (p = 0.169) as compared with conventional coronary angiography. Conclusion: The novel automated CTP analysis software offers enhanced time efficiency with an improvement by a factor of about four, while maintaining diagnostic accuracy.
Nanoparticles for dendritic cell-based immunotherapy
Tran, Tuan Hiep,Tran, Thi Thu Phuong,Nguyen, Hanh Thuy,Phung, Cao Dai,Jeong, Jee-Heon,Stenzel, Martina H.,Jin, Sung Giu,Yong, Chul Soon,Truong, Duy Hieu,Kim, Jong Oh Elsevier 2018 International journal of pharmaceutics Vol.542 No.1
<P><B>Abstract</B></P> <P>Crosstalk among immune cells has attracted considerable attention with the advent of immunotherapy as a novel therapeutic approach for challenging diseases, especially cancer, which is the leading cause of mortality worldwide. Dendritic cells—the key antigen-presenting cells—play a pivotal role in immunological response by presenting exogenous epitopes to T cells, which induces the self-defense mechanisms of the body. Furthermore, nanotechnology has provided promising ways for diagnosing and treating cancer in the last decade. The progress in nanoparticle drug carrier development, combined with enhanced understanding of the immune system, has enabled harnessing of anti-tumor immunity. This review focuses on the recent advances in nanotechnology that have improved the therapeutic efficacy of immunotherapies, with emphasis on dendritic cell physiology and its role in presenting antigens and eliciting therapeutic T cell response.</P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>