5,448 research outputs found

    A Focus on the Reminiscence Bump to Personalize Music Playlists for Dementia

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    PURPOSE: Music and memory are inextricably linked, and the recollection of music varies according to age. In order to create personalized music playlists tailored for people living with dementia, this study aimed to determine the age at which healthy individuals could best recall music that was popular at the time. METHODS: A survey was designed asking participants to identify the number of songs they recalled from a random selection of 10 from the 100 most popular songs from each year, presented in random order of years, from 1945 to 2015. Of the 311 individuals born between 1929 and 2002, who responded to the survey, 157 met the inclusion criteria. RESULTS: The median peak of recollection was between the ages of 13 and 19 across all age-cohorts, with participants recalling a maximum median number of 6– 8 songs in all of the age-cohorts. There was no evidence of a difference in the peak age of recollection between those who recognized seven or more songs in at least 1 year and those who recognized fewer than seven songs in all years. CONCLUSION: The peak of recollection of popular music occurs in the teenage years, regardless of era of birth. Music from this “reminiscence bump” provides a rich source of retained music that should be tapped when creating playlists of meaningful music for people living with dementia

    MECCANISMI DI ACCRESCIMENTO E IDENTIFICAZIONE DI DIFETTI MULTIPLI INDOTTI DA IDROGENO (HYDROGEN STEP WISE CRACKING)

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    Negli acciai, lo sviluppo e la propagazione di cricche interne, dovute alla diffusione di idrogeno, può aver luogo secondo meccanismi diversi. Negi ambienti contenenti H2S in fase acquosa, conosciuti come H2S umido, è frequente lo sviluppo di difetti multipli interconnessi noti come step wise cracks. E' stato osservato che la distribuzione dei bordi grano della matrice metallica ha una notevole influenza sul modo di propagazione di tali difetti. La caratteristica forma ad S delle cricche sembra essere correlata allo scorrimento e alla rottura dei grani cristallini che si trovano nella regione sottoposta a sforzo di taglio tra le cricche che si interconnettono, così come alla propagazione delle cricche stesse attraverso bordi grano ad alto angolo. L'innesco e la propagazione dell'HIC sono influenzati da molteplici fattori di tipo sia ambientale che metallurgico, tali da poter fare propagare i difetti con velocità estremamente elevate (in alcuni casi sono stati registrati valori di velocità di propagazione longitudinale superiori a 15 mm/mese). Nella presente memoria viene evidenziato come l'utilizzo di appropriate tecniche ultrasonore basate sull'analisi del tempo di volo (ToFD) e l'utilizzo di sonde a 45° permette di individuare con buona approssimazione tale tipo di difetti e di poterne seguire l'evoluzione nel tempo

    A New Procedure for Treating a Sebaceous Cyst: Removal of the Cyst Content with a Laser Punch and the Cyst Wall with a Minimal Postponed Excision

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    Three main techniques are used to excise sebaceous cysts: conventional wide excision, minimal excision, and punch biopsy excision. A new method with two steps is proposed. First, a laser is used to make a small hole for removal of the content. Then the cyst wall is removed entirely with a minimal excision about 1 month later. With this method, the cyst is completely removed with only a small scar. It offers a good alternative for eradication of uninfected cysts, especially large cysts or cysts located in areas of thick skin or cosmetic concern

    Falls Prediction in Care Homes Using Mobile App Data Collection

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    Falls are one of the leading causes of unintentional injury related deaths in older adults. Although, falls among elderly is a well documented phenomena; falls of care homes’ residents was under-researched, mainly due to the lack of documented data. In this study, we use data from over 1,769 care homes and 68,200 residents across the UK, which is based on carers who routinely documented the residents’ activities, using the Mobile Care Monitoring mobile app over three years. This study focuses on predicting the first fall of elderly living in care homes a week ahead. We intend to predict continuously based on a time window of the last weeks. Due to the intrinsic longitudinal nature of the data and its heterogeneity, we employ the use of Temporal Abstraction and Time Intervals Related Patterns discovery, which are used as features for classification. We had designed an experiment that reflects real-life conditions to evaluate the framework. Using four weeks of observation time window performed best

    A survey of psychological practitioner workplace wellbeing

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    The well-being of the psychological workforce is an area of concern. However, it has been sparsely studied in a holistic manner encompassing workplace well-being as well as burnout. This study reports a survey of 1,678 psychological practitioners accessed through professional networks. The short Warwick Edinburgh Mental Well-being Scale (SWEMWBS) and the Psychological Practitioner Workplace Well-being Measure (PPWWM) were administered with a demographic questionnaire. The mean for the SWEMWBS was below that of a national population survey. The intercorrelation of these tests was .61. Subgroup analyses showed significant differences: assistant psychologists, counsellors and psychological well-being practitioners demonstrated better than average workplace well-being. But for general well-being (SWEMWBS), trainee clinical psychologists and assistant psychologists showed lower than average well-being, whereas psychological well-being practitioners were higher than average. Other factors associated with well-being were contract type—both measures (higher workplace well-being in those with temporary contracts and the self-employed); employment sector—for PPWWM only (private organisation/independent workers and third sector/charitable organisation workers scored above the PPWWM mean); ethnicity—for both measures (Asian groups except Chinese had higher well-being than average for the PPWWM and SWEMWBS) and disability was strongly associated with lower well-being on both measures. Harassment, feeling depressed or a failure and wanting to leave the National Health Service (NHS) were associated with lower well-being. Greater age, pay and years of service were negatively correlated with well-being. A five-factor structure was obtained with this sample. The results confirmed psychological practitioners as an at-risk group and identified a number of factors associated with workplace well-being

    On the Schoenberg Transformations in Data Analysis: Theory and Illustrations

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    The class of Schoenberg transformations, embedding Euclidean distances into higher dimensional Euclidean spaces, is presented, and derived from theorems on positive definite and conditionally negative definite matrices. Original results on the arc lengths, angles and curvature of the transformations are proposed, and visualized on artificial data sets by classical multidimensional scaling. A simple distance-based discriminant algorithm illustrates the theory, intimately connected to the Gaussian kernels of Machine Learning

    Management of Acute Myocardial Infarction During the COVID-19 Pandemic.

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    The worldwide pandemic caused by the novel acute respiratory syndrome coronavirus 2 (SARS-CoV2) has resulted in a new and lethal disease termed coronavirus disease 2019 (COVID-19). Although there is an association between cardiovascular disease and COVID-19, the majority of patients who need cardiovascular care for the management of ischemic heart disease may not be infected with COVID-19. The objective of this document is to provide recommendations for a systematic approach for the care of patients with an acute myocardial infarction (AMI) during the COVID-19 pandemic. There is a recognition of two major challenges in providing recommendations for AMI care in the COVID-19 era. Cardiovascular manifestations of COVID-19 are complex with patients presenting with AMI, myocarditis simulating a ST-elevation MI presentation, stress cardiomyopathy, non-ischemic cardiomyopathy, coronary spasm, or nonspecific myocardial injury and the prevalence of COVID-19 disease in the US population remains unknown with risk of asymptomatic spread. This document addresses the care of these patients focusing on 1) the varied clinical presentations; 2) appropriate personal protection equipment (PPE) for health care workers; 3) role of the Emergency Department, Emergency Medical System and the Cardiac Catheterization Laboratory; and 4) Regional STEMI systems of care. During the COVID-19 pandemic, primary PCI remains the standard of care for STEMI patients at PCI capable hospitals when it can be provided in a timely fashion, with an expert team outfitted with PPE in a dedicated CCL room. A fibrinolysis-based strategy may be entertained at non-PCI capable referral hospitals or in specific situations where primary PCI cannot be executed or is not deemed the best option

    A novel investigation into the application of non-destructive evaluation for vibration assessment and analysis of in-service pipes

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    Flow induced vibrations that are close to resonance frequencies are a major problem in all oil and gas processing industries, so all piping systems require regular condition monitoring and inspection to assess changes in their dynamic characteristics and structural integrity in order to prevent catastrophic failures. One of the main causes of pipe failure is weak support causing low frequency high amplitude flow-induced vibration. This causes wear and tear, especially near joints due to their dissimilar stiffness resulting in fatigue failure of joints caused by vibration-induced high cyclic stress. Other contributing factors in pipe failure are poor or inadequate design, poor workmanship during installation or maintenance and inadequate or weak and flexible support. These pipes are usually required to work non-stop for 24 hours a day 7 days a week for weeks, months or years at a time. Regular monitoring and in-service dynamic analysis should ensure continuous and safe operation. A novel method of non-destructive testing and evaluation of these pipes, while in service, is proposed in this paper. This technique will enable early detection and identification of the root causes of any impending failure due to excess vibration as a result of cyclic force induced by the flow. The method pinpoints the location of the impending failure prior to condition-based maintenance procedures. The technique relies on the combined application of Operating Deflection Shapes (ODS) analysis and computational mechanics utilizing Finite Element Analysis (FEA), i.e. linear elastic stress analysis. Any structural modification to the pipes and their supports can then be applied virtually and their effects on the system can be analysed. The effect on vibration levels is assessed and verified. The effect of any change in the forces corresponding to changes in the Differential Pressure (DP) at constant flow rate through the pipes can then be estimated. It was concluded that maintaining the differential pressure above some “critical” threshold ensures the pipe operates under the allowable dynamic stress for a theoretically “indefinite” life cycle
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