108 research outputs found

    Corrigendum: Proceedings of the 12th annual deep brain stimulation think tank: cutting edge technology meets novel applications

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    In the published article, there was an error in the author list and author Sarah-Anna Hescham was erroneously excluded. The corrected author list appears below. “Alfonso Enrique Martinez-Nunez 1*, Christopher J. Rozell 2, Simon Little 3, Huiling Tan 4, Stephen L. Schmidt 5, Warren M. Grill 5,6, Miroslav Pajic 5, Dennis A. Turner 5,6,7, Coralie de Hemptinne 1, Andre Machado 8,9, Nicholas D. Schiff 10, Abbey S. Holt-Becker 11, Robert S. Raike 11, Mahsa Malekmohammadi 12,13, Yagna J. Pathak 14, Lyndahl Himes 14, David Greene 15, Lothar Krinke 16,17, Mattia Arlotti 16, Lorenzo Rossi 16, Jacob Robinson 18,19, Bahne H. Bahners 20,21,22, Vladimir Litvak 23, Luka Milosevic 24,25, Saadi Ghatan 26,27, Frederic L. W. V. J. Schaper 20, Michael D. Fox 20, Nicholas M. Gregg 28, Cynthia Kubu 8, James J. Jordano 29,30,31, Nicola G. Cascella 32, YoungHoon Nho 33, Casey H. Halpern 33,34, Helen S. Mayberg 35,36,37, Ki Sueng Choi 35,36, Haneul Song 35, Jungho Cha 35, Sankaraleengam Alagapan 2, Nico U. F. Dosenbach 38,39,40,41,42,43, Evan M. Gordon 44, Jianxun Ren 45, Hesheng Liu 45,46, Lorraine V. Kalia 47,48, Sarah-Anna Hescham 49,50,51, Dorian M. Kusyk 1, Adolfo Ramirez-Zamora 1, Kelly D. Foote 1, Michael S. Okun 1 and Joshua K. Wong 1.” The authors apologize for this error and state that this does not change the scientific conclusions of the article in any way. The original article has been updated.</p

    On Measuring the Criticality of Various Variables and Processes in Organization Information Systems: Proposed Methodological Procedure

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    This paper proposes methodological procedures to be used by the accounting, organizational and managerial researchers and executives to ascertain the criticality of the variables and the processes in the measurement of management control system. We have restricted the validation of proposed methods to the extraction of critical success factors (CSF) in this study. We have also provided a numerical illustration and tested our methodological procedures using a dataset of an empirical study conducted for the purpose of ascertaining the CSFs. The proposed methods can be used by the researchers in accounting, organizational information systems, economics, and business and also in other relevant disciplines of organizational sciences. The main contribution of this paper is the extension of Rockart’s work [33] on critical success factors. We have extended the theory of CSF beyond the initially suggested domain of information into management control system decision making. The methodological procedures developed by us are expected to enrich the literature of analytical and empirical studies in accounting and organizational areas where it can prove helpful in understanding the criticality of individual variables, processes, methods or success factors.Success Factors, Criticality Analysis, Perceptual Criticality, Critical Success Factors

    E-Commerce Audit Judgment Expertise: Does Expertise in System Change Management and Information Technology Auditing Mediate E-Commerce Audit Judgment Expertise?

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    A global survey of 203 E-commerce auditors was conducted to investigate the perceptions about the potential determinants of expertise in E-commerce audits. We hypothesize and find evidence indicating that information technology and communication expertise are positively related to expertise in E-commerce audit judgment. We also find that system change management expertise and information technology audit expertise mediate this relationship.E-commerce Audit Judgment, IT Audit, Structural Equations Modeling

    Extreme shear-deformation-induced modification of defect structures and hierarchical microstructure in an Al–Si alloy

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    Extreme shear deformation is used for several material processing methods and is unavoidable in many engineering applications in which two surfaces are in relative motion against each other while in physical contact. The mechanistic understanding of the microstructural evolution of multi-phase metallic alloys under extreme shear deformation is still in its infancy. Here, we highlight the influence of shear deformation on the microstructural hierarchy and mechanical properties of a binary as-cast Al-4 at.% Si alloy. Shear-deformation-induced grain refinement, multiscale fragmentation of the eutectic Si-lamellae, and metastable solute saturated phases with distinctive defect structures led to a two-fold increase in the flow stresses determined by micropillar compression testing. These results highlight that shear deformation can achieve non-equilibrium microstructures with enhanced mechanical properties in Al–Si alloys. The experimental and computational insights obtained here are especially crucial for developing predictive models for microstructural evolution of metals under extreme shear deformation.This article is published as Gwalani, Bharat, Matthew Olszta, Soumya Varma, Lei Li, Ayoub Soulami, Elizabeth Kautz, Siddhartha Pathak et al. "Extreme shear-deformation-induced modification of defect structures and hierarchical microstructure in an Al–Si alloy." Communications Materials 1, no. 1 (2020): 85. doi: https://doi.org/10.1038/s43246-020-00087-x. © The Author(s) 2020. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/)
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