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https://www.readbyqxmd.com/read/28916951/the-box-task-a-tool-to-design-experiments-for-assessing-visuospatial-working-memory
#1
Roy P C Kessels, Albert Postma
The present paper describes the Box Task, a paradigm for the computerized assessment of visuospatial working memory. In this task, hidden objects have to be searched by opening closed boxes that are shown at different locations on the computer screen. The set size (i.e., number of boxes that must be searched) can be varied and different error scores can be computed that measure specific working memory processes (i.e., the number of within-search and between-search errors). The Box Task also has a developer's mode in which new stimulus displays can be designed for use in tailored experiments...
September 15, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28914150/a-computerized-test-for-the-assessment-of-mild-cognitive-impairment-subtypes-in-sentence-processing
#2
Sofia Segkouli, Ioannis Paliokas, Dimitrios Tzovaras, Ioulietta Lazarou, Charalampos Karagiannidis, Filippos Vlachos, Magda Tsolaki
This study examines thesentence processing ability of mild cognitive impairment (MCI) subtypes. In addition to standard MCI neuropsychological tests, an experimental approach was applied to assess language. 133 people (93 MCI/40 controls) participated in novel computerized sentence processing tasks. Results presented statistically significant differences between MCI/controls andMCI subtypes (ANOVA):(a) duration F(2,92) = 19.259,p < .001) in sentence construction; (b) correct answers (F(2, 89) = 8.560,p < ...
September 15, 2017: Neuropsychology, Development, and Cognition. Section B, Aging, Neuropsychology and Cognition
https://www.readbyqxmd.com/read/28884264/ambulatory-screening-tool-for-sleep-apnea-analyzing-a-single-lead-electrocardiogram-signal-ecg
#3
Solveig Magnusdottir, Hugi Hilmisson
STUDY OBJECTIVE: The goal was to determine the utility and accuracy of automated analysis of single-lead electrocardiogram (ECG) data using two algorithms, cardiopulmonary coupling (CPC), and cyclic variation of heart rate (CVHR) to identify sleep apnea (SA). METHODS: The CPC-CVHR algorithms were applied to identify SA by analyzing ECG from diagnostic polysomnography (PSG) from 47 subjects. The studies were rescored according to updated AASM scoring rules, both manually by a certified technologist and using an FDA-approved automated scoring software, Somnolyzer (Philips Inc...
September 7, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28871713/cognitive-functions-and-serum-cortisol-concentration-in-perimenopausal-and-postmenopausal-women-working-non-manually
#4
Dorota Raczkiewicz, Beata Sarecka-Hujar, Alfred Owoc, Iwona Bojar
OBJECTIVES: To asses a possible relationship between serum cortisol concentration and cognitive function in peri- and postmenopausal women engaging in non-manual work. METHODS: The Montreal Cognitive Assessment (MoCA) was used to screen women for the study and the Computerized Neurocognitive-assessment Software (CNS) Vital Signs to diagnose cognitive functions. RESULTS: Cognitive functions and serum cortisol concentration did not differ between women in early and late perimenopause and postmenopause...
August 5, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28870592/computer-based-assessment-of-upper-limb-incoordination-in-autosomal-recessive-spastic-ataxia-of-charlevoix-saguenay-patients-a-pilot-study
#5
Hung Tien Bui, Olivier Audet, Jean Mathieu, Cynthia Gagnon, Mario Leone
Ataxia refers to a group of neurological disorders characterized by a lack of coordination during voluntary movements. One of the most commonly used tests to assess upper-limb coordination is the Archimedes spiral test. The purpose of this research is to present an innovative computer-based Archimedes spiral test that can accurately assess coordination. Forty nine individuals (age: 25.2±7.1years) were recruited including thirteen patients diagnosed with Autosomal Recessive Spastic Ataxia of Charlevoix/Saguenay (ARSACS)...
September 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28868068/assessing-capacity-in-the-elderly-comparing-the-moca-with-a-novel-computerized-battery-of-executive-function
#6
Megan Brenkel, Kenneth Shulman, Elias Hazan, Nathan Herrmann, Adrian M Owen
BACKGROUND/AIMS: Clinicians are increasingly being asked to provide their opinion on the decision-making capacity of older adults, while validated and widely available tools are lacking. We sought to identify an online cognitive screening tool for assessing mental capacity through the measurement of executive function. METHODS: A mixed elderly sample of 45 individuals, aged 65 years and older, were screened with the Montreal Cognitive Assessment (MoCA) and the modified Cambridge Brain Sciences Battery...
May 2017: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/28864824/automatic-categorization-and-scoring-of-solid-part-solid-and-non-solid-pulmonary-nodules-in-ct-images-with-convolutional-neural-network
#7
Xiaoguang Tu, Mei Xie, Jingjing Gao, Zheng Ma, Daiqiang Chen, Qingfeng Wang, Samuel G Finlayson, Yangming Ou, Jie-Zhi Cheng
We present a computer-aided diagnosis system (CADx) for the automatic categorization of solid, part-solid and non-solid nodules in pulmonary computerized tomography images using a Convolutional Neural Network (CNN). Provided with only a two-dimensional region of interest (ROI) surrounding each nodule, our CNN automatically reasons from image context to discover informative computational features. As a result, no image segmentation processing is needed for further analysis of nodule attenuation, allowing our system to avoid potential errors caused by inaccurate image processing...
September 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28861720/accurate-identification-of-fatty-liver-disease-in-data-warehouse-utilizing-natural-language-processing
#8
Joseph S Redman, Yamini Natarajan, Jason K Hou, Jingqi Wang, Muzammil Hanif, Hua Feng, Jennifer R Kramer, Roxanne Desiderio, Hua Xu, Hashem B El-Serag, Fasiha Kanwal
INTRODUCTION: Natural language processing is a powerful technique of machine learning capable of maximizing data extraction from complex electronic medical records. METHODS: We utilized this technique to develop algorithms capable of "reading" full-text radiology reports to accurately identify the presence of fatty liver disease. Abdominal ultrasound, computerized tomography, and magnetic resonance imaging reports were retrieved from the Veterans Affairs Corporate Data Warehouse from a random national sample of 652 patients...
August 31, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28858441/the-thinc-integrated-tool-thinc-it-screening-assessment-for-cognitive-dysfunction-validation-in-patients-with-major-depressive-disorder
#9
Roger S McIntyre, Michael W Best, Christopher R Bowie, Nicole E Carmona, Danielle S Cha, Yena Lee, Mehala Subramaniapillai, Rodrigo B Mansur, Harry Barry, Bernhard T Baune, Larry Culpepper, Philippe Fossati, Tracy L Greer, Catherine Harmer, Esther Klag, Raymond W Lam, Hans-Ulrich Wittchen, John Harrison
OBJECTIVE: To validate the THINC-integrated tool (THINC-it)-a freely available, patient-administered, computerized screening tool integrating subjective and objective measures of cognitive function in adults with major depressive disorder (MDD). METHODS: Subjects aged 18 to 65 years (n = 100) with recurrent MDD experiencing a major depressive episode of at least moderate severity were evaluated and compared to age-, sex-, and education-matched healthy controls (n = 100)...
July 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28851681/is-there-evidence-of-cost-benefits-of-electronic-medical-records-standards-or-interoperability-in-hospital-information-systems-overview-of-systematic-reviews
#10
Zilma Silveira Nogueira Reis, Thais Abreu Maia, Milena Soriano Marcolino, Francisco Becerra-Posada, David Novillo-Ortiz, Antonio Luiz Pinho Ribeiro
BACKGROUND: Electronic health (eHealth) interventions may improve the quality of care by providing timely, accessible information about one patient or an entire population. Electronic patient care information forms the nucleus of computerized health information systems. However, interoperability among systems depends on the adoption of information standards. Additionally, investing in technology systems requires cost-effectiveness studies to ensure the sustainability of processes for stakeholders...
August 29, 2017: JMIR Medical Informatics
https://www.readbyqxmd.com/read/28844733/a-pilot-replication-of-quit-a-randomized-controlled-trial-of-a-brief-intervention-for-reducing-risky-drug-use-among-latino-primary-care-patients
#11
Lillian Gelberg, Ronald M Andersen, Melvin W Rico, Mani Vahidi, Guillermina Natera Rey, Steve Shoptaw, Barbara D Leake, Martin Serota, Kyle Singleton, Sebastian E Baumeister
BACKGROUND: QUIT is the only primary care-based brief intervention that has previously shown efficacy for reducing risky drug use in the United States (Gelberg et al., 2015). This pilot study replicated the QUIT protocol in one of the five original QUIT clinics primarily serving Latinos. DESIGN: Single-blind, two-arm, randomized controlled trial of patients enrolled from March-October 2013 with 3-month follow-up. SETTING: Primary care waiting room of a federally qualified health center (FQHC) in East Los Angeles...
June 13, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28841657/a-prediction-model-for-advanced-colorectal-neoplasia-in-an-asymptomatic-screening-population
#12
Sung Noh Hong, Hee Jung Son, Sun Kyu Choi, Dong Kyung Chang, Young-Ho Kim, Sin-Ho Jung, Poong-Lyul Rhee
BACKGROUND: An electronic medical record (EMR) database of a large unselected population who received screening colonoscopies may minimize sampling error and represent real-world estimates of risk for screening target lesions of advanced colorectal neoplasia (CRN). Our aim was to develop and validate a prediction model for assessing the probability of advanced CRN using a clinical data warehouse. METHODS: A total of 49,450 screenees underwent their first colonoscopy as part of a health check-up from 2002 to 2012 at Samsung Medical Center, and the dataset was constructed by means of natural language processing from the computerized EMR system...
2017: PloS One
https://www.readbyqxmd.com/read/28841489/the-illusion-of-handy-wins-problem-gambling-chasing-and-affective-decision-making
#13
Giovanna Nigro, Maria Ciccarelli, Marina Cosenza
BACKGROUND: Chasing losses is a behavioral marker and a diagnostic criterion for gambling disorder. It consists in continuing gambling to recoup previous losses. Although chasing has been recognized playing a central role in gambling disorder, research on this topic is relatively scarce, and it remains unclear whether chasing affects decision-making in behavioral tasks in which participants gain or loss some money. Even if several studies found that the more the gambling involvement, the poorer the decision-making, to date no research investigated the role of chasing in decision-making...
August 19, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28840490/usability-of-computerized-lung-auscultation-sound-software-class-for-learning-pulmonary-auscultation
#14
Ana Machado, Ana Oliveira, Cristina Jácome, Marco Pereira, José Moreira, João Rodrigues, José Aparício, Luis M T Jesus, Alda Marques
The mastering of pulmonary auscultation requires complex acoustic skills. Computer-assisted learning tools (CALTs) have potential to enhance the learning of these skills; however, few have been developed for this purpose and do not integrate all the required features. Thus, this study aimed to assess the usability of a new CALT for learning pulmonary auscultation. Computerized Lung Auscultation-Sound Software (CLASS) usability was assessed by eight physiotherapy students using computer screen recordings, think-aloud reports, and facial expressions...
August 24, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28829911/chemoradiotherapy-versus-chemoradiotherapy-plus-surgery-for-esophageal-cancer
#15
REVIEW
Balamurugan A Vellayappan, Yu Yang Soon, Geoffrey Y Ku, Cheng Nang Leong, Jiade J Lu, Jeremy Cs Tey
BACKGROUND: Please see Appendix 4 for a glossary of terms.The outcome of patients with esophageal cancer is generally poor. Although multimodal therapy is standard, there is conflicting evidence regarding the addition of esophagectomy to chemoradiotherapy. OBJECTIVES: To compare the effectiveness and safety of chemoradiotherapy plus surgery with that of chemoradiotherapy alone in people with nonmetastatic esophageal carcinoma. SEARCH METHODS: We performed a computerized search for relevant studies, up to Feburary 2017, on the CENTRAL, MEDLINE, and Embase databases using MeSH headings and keywords...
August 22, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28808856/validation-of-veterans-affairs-electronic-medical-record-smoking-data-among-iraq-and-afghanistan-era-veterans
#16
Patrick S Calhoun, Sarah M Wilson, Jeffrey S Hertzberg, Angela C Kirby, Scott D McDonald, Paul A Dennis, Lori A Bastian, Eric A Dedert, Jean C Beckham
BACKGROUND: Research using the Veterans Health Administration (VA) electronic medical records (EMR) has been limited by a lack of reliable smoking data. OBJECTIVE: To evaluate the validity of using VA EMR "Health Factors" data to determine smoking status among veterans with recent military service. DESIGN: Sensitivity, specificity, area under the receiver-operating curve (AUC), and kappa statistics were used to evaluate concordance between VA EMR smoking status and criterion smoking status...
August 14, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/28806293/-optimizing-your-post-surgical-scars-a-systematic-review-on-best-practices-in-preventative-scar-management-1
#17
Justin L Perez, Rod J Rohrich
BACKGROUND: Scar management is critical for every plastic surgeon's practice and, ultimately, the patient's satisfaction with his or her aesthetic result. Despite the critical nature of this component of routine post-operative care, there has yet to be a comprehensive analysis of the available literature over the last decade to assess the best algorithmic approach to scar care. To this end, a systematic review of best practices in preventative scar management was conducted to elucidate the highest level of evidence available on this subject to date...
August 3, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28798527/specific-pathologist-responses-for-standard-for-exchange-of-nonclinical-data-send
#18
REVIEW
Atsushi Watanabe, Osamu Kusuoka, Norihiro Sato, Osamu Nakazono, Michael Wasko, Daniel Potenta, Dai Nakae, Hirofumi Hatakeyama, Hijiri Iwata, Misaki Naota, Takayuki Anzai
The Standard for Exchange of Nonclinical Data (SEND), introduced by the US Food and Drug Administration (FDA), is a scheme for the computerization, electronic application, and screening of preclinical data. Since its establishment, related organizations have been working together to implement SEND. However, it is difficult for individual pharmaceutical companies that often outsource to achieve complete compliance with SEND; hence, the cooperation of contract research organizations (CROs) and SEND Registered Solution Providers (RSPs) is indispensable...
July 2017: Journal of Toxicologic Pathology
https://www.readbyqxmd.com/read/28776532/etiology-and-outcome-of-moderate-to-massive-hemoptysis-experience-from-a-tertiary-care-center-of-north-india
#19
Ashish Bhalla, Ashok Kumar Pannu, Vikas Suri
BACKGROUND: The aim of this study was to evaluate the etiology of hemoptysis in patients presenting to emergency department of Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, India. METHOD: Prospectively 110 patients presenting to the emergency department with history of hemoptysis were screened for a period of one and half years. Out of these, 64 patients having true hemoptysis were enrolled in the study. The patients were clinically evaluated with detailed history...
July 2017: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28771476/evaluation-of-novel-computerized-tomography-scoring-systems-in-human-traumatic-brain-injury-an-observational-multicenter-study
#20
MULTICENTER STUDY
Eric Peter Thelin, David W Nelson, Juho Vehviläinen, Harriet Nyström, Riku Kivisaari, Jari Siironen, Mikael Svensson, Markus B Skrifvars, Bo-Michael Bellander, Rahul Raj
BACKGROUND: Traumatic brain injury (TBI) is a major contributor to morbidity and mortality. Computerized tomography (CT) scanning of the brain is essential for diagnostic screening of intracranial injuries in need of neurosurgical intervention, but may also provide information concerning patient prognosis and enable baseline risk stratification in clinical trials. Novel CT scoring systems have been developed to improve current prognostic models, including the Stockholm and Helsinki CT scores, but so far have not been extensively validated...
August 2017: PLoS Medicine
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