32 research outputs found
A multimodal dataset for authoring and editing multimedia content:the MAMEM project
We present a dataset that combines multimodal biosignals and eye tracking information gathered under a human-computer interaction framework. The dataset was developed in the vein of the MAMEM project that aims to endow people with motor disabilities with the ability to edit and author multimedia content through mental commands and gaze activity. The dataset includes EEG, eye-tracking, and physiological (GSR and Heart rate) signals collected from 34 individuals (18 able-bodied and 16 motor-impaired). Data were collected during the interaction with specifically designed interface for web browsing and multimedia content manipulation and during imaginary movement tasks. The presented dataset will contribute towards the development and evaluation of modern human-computer interaction systems that would foster the integration of people with severe motor impairments back into society.</p
Co-evaluation of basic woodfuel types used as alternative heating sources to existing energy network
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Total coronary occlusion in non ST elevation myocardial infarction: Time to change our practice?
Based on 12‑lead electrocardiogram (ECG) findings, myocardial infarction (MI) patients are dichotomized to ST-elevation MI (STEMI) and non ST-elevation MI (NSTEMI) in terms of management strategy. NSTEMI patients are increasing in numbers worldwide, among which an approximately 30% are associated with a total occlusion of a coronary artery. This review summarizes recent evidence in epidemiology, clinical, laboratory, ECG and prognostic characteristics of this NSTEMI sub-group. Patients with a diagnosis of NSTEMI and a total occluded coronary artery (TOCA) represent a sub-group of NSTEMI patients with total occlusion of coronary arteries and associated high-risk that are frequently not managed according to a STEMI-like pathway. The present review echoes a call for action in changing our everyday clinical practice. Therefore, we propose a new triage algorithm by which recognition of high-risk features in NSTEMI patients is central in order to identify STEMI 'equivalents' among NSTEMI patients in terms of similar pathology and high-risk who may benefit from immediate invasive strategy (<2 h)
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Non ST-elevation myocardial infarction (NSTEMI) patients with total coronary artery occlusion: More than meets the eye.
Sertoli cell proliferation in the fetal and neonatal rat testis: A continuous phenomenon?
Sertoli cell population kinetics, as evidenced by semi-quantitative immunolabeling for proliferating cell nuclear antigen (PCNA) and Ki-67, in developing Wistar rat male gonads of embryos and neonates [14.5 days post conception (dpc) - 7 days post partum (dpp)], was investigated. Throughout the examined period a gradual increase of immunolabeled Sertoli cell number, associated with intense mitotic activity, was observed. PCNA labeling index of Sertoli cells increased from 66.67 (at 14.5 dpc) to 89.74 (at 18.5 dpc) and then dropped to 75.24 (at 20.5 dpc). At birth, the percentage of PCNA immunoreactive Sertoli cells reached 98.70% and remained high thereafter, attaining a peak value of 99.90% at 7 dpp. The percentage of Ki-67 immunoreactive Sertoli cells in the fetal testis increased from E14.5 (43.95%) to E20.5 (77.40%). The proliferation rate did not alter considerably in the neonatal testis until 5 dpp. At this point, a significant increase of the Ki-67 labeling index was observed and a peak value of 95.76% was reached at 7 dpp. The pattern of Sertoli cell proliferation with age and the establishment of the final Sertoli cell number in vivo established in the present study was compared to the results from earlier investigations reported in the literature and the observed fluctuation of dividing cell numbers, associated with immunolabeling results throughout the examined period, complements and extends existing data. An appraisal of the timing of Sertoli cell proliferation in other species, namely mouse and man, is presented. The current investigation may be useful in evaluating the potential influence of factors interfering with normal mitotic activity of Sertoli cells, including cell selection mechanisms, such as apoptosis, senescence, DNA repair and hormonal/paracrine growth modulation. © 2007 Elsevier GmbH. All rights reserved