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https://www.readbyqxmd.com/read/28226792/steady-state-visual-evoked-potential-based-brain-computer-interface-for-cognitive-assessment
#1
Nicolai Westergren, Rasmus L Bendtsen, Troels W Kjaer, Carsten E Thomsen, S Puthusserypady, Helge B D Sorensen, Nicolai Westergren, Rasmus L Bendtsen, Troels W Kjaer, Carsten E Thomsen, S Puthusserypady, Helge B D Sorensen, Troels W Kjaer, Nicolai Westergren, Carsten E Thomsen, Helge B D Sorensen, Rasmus L Bendtsen, S Puthusserypady
Cognitive assessment is of growing importance, with the general population getting older and a rapidly growing incidence of dementia, which is a major public health issue. Treatment of dementia must, to be most effective, start early in the disease process. Thus, early detection of cognitive decline is important. Cognitive decline may be detected using fully-automated computerized assessment. Such systems will provide inexpensive and widely available screenings of cognitive ability. The aim of this pilot study is to develop a real time steady state visual evoked potential (SSVEP) based brain-computer interface (BCI) for neurological cognitive assessment...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28223264/applying-computerized-adaptive-testing-to-the-four-dimensional-symptom-questionnaire-4dsq-a-simulation-study
#2
Tessa Magnée, Derek P de Beurs, Berend Terluin, Peter F Verhaak
BACKGROUND: Efficient screening questionnaires are useful in general practice. Computerized adaptive testing (CAT) is a method to improve the efficiency of questionnaires, as only the items that are particularly informative for a certain responder are dynamically selected. OBJECTIVE: The objective of this study was to test whether CAT could improve the efficiency of the Four-Dimensional Symptom Questionnaire (4DSQ), a frequently used self-report questionnaire designed to assess common psychosocial problems in general practice...
February 21, 2017: JMIR Mental Health
https://www.readbyqxmd.com/read/28215191/is-computerized-cognitive-testing-useful-in-children-and-adolescents-with-moderate-to-severe-traumatic-brain-injury
#3
Vickie Plourde, Brian L Brooks
OBJECTIVES: Children and adolescents with moderate-to-severe traumatic brain injury (TBI) present with short and long-term neuropsychological deficits following their injury. The aim of this study was to investigate the utility of a brief computerized test battery for evaluating cognitive functioning sub-acutely following a TBI. METHODS: Participants (n=33) sustained a moderate-to-severe TBI, were between 8 and 18 years old, and were assessed using CNS Vital Signs (CNSVS) within 6 months post-injury (median=0...
February 20, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28196313/executive-functioning-at-baseline-prospectively-predicts-depression-treatment-response
#4
Erica L Dawson, Angela F Caveney, Kortni K Meyers, Sara L Weisenbach, Bruno Giordani, Erich T Avery, Michael-Paul Schallmo, Armita Bahadori, Linas A Bieliauskas, Matthew Mordhorst, Sheila M Marcus, Kevin Kerber, Jon-Kar Zubieta, Scott A Langenecker
Objective: Existing cognitive and clinical predictors of treatment response to date are not of sufficient strength to meaningfully impact treatment decision making and are not readily employed in clinical settings. This study investigated whether clinical and cognitive markers used in a tertiary care clinic could predict response to usual treatment over a period of 4 to 6 months in a sample of 75 depressed adults. Methods: Patients (N = 384) were sequentially tested in 2 half-day clinics as part of a quality improvement project at an outpatient tertiary care center between August 2003 and September 2007; additional subjects evaluated in the clinic between 2007 and 2009 were also included...
February 9, 2017: Primary Care Companion to CNS Disorders
https://www.readbyqxmd.com/read/28193311/voluntary-and-involuntary-imagery-in-social-anxiety
#5
Sophie R Homer, Catherine Deeprose
BACKGROUND: Negative mental imagery is ubiquitous in cognitive models of social anxiety and in the social anxiety literature. Previous research has shown that it is causal of increased anxiety, lower social performance ratings and lower implicit self-esteem. Despite its prevalence, few studies have investigated this imagery directly. AIMS: This study aimed to provide an in-depth analysis of the phenomenology of negative imagery experienced by socially anxious individuals, and to compare recurrent and intrusive images with images deliberately generated by participants during the study...
February 14, 2017: Behavioural and Cognitive Psychotherapy
https://www.readbyqxmd.com/read/28192551/effectiveness-of-computer-automation-for-the-diagnosis-and-management-of-childhood-type-2-diabetes-a-randomized-clinical-trial
#6
Tamara S Hannon, Tamara M Dugan, Chandan K Saha, Steven J McKee, Stephen M Downs, Aaron E Carroll
Importance: Type 2 diabetes (T2D) is increasingly common in young individuals. Primary prevention and screening among children and adolescents who are at substantial risk for T2D are recommended, but implementation of T2D screening practices in the pediatric primary care setting is uncommon. Objective: To determine the feasibility and effectiveness of a computerized clinical decision support system to identify pediatric patients at high risk for T2D and to coordinate screening for and diagnosis of prediabetes and T2D...
February 13, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28181186/an-automated-behavioral-measure-of-mind-wandering-during-computerized-reading
#7
Myrthe Faber, Robert Bixler, Sidney K D'Mello
Mind wandering is a ubiquitous phenomenon in which attention shifts from task-related to task-unrelated thoughts. The last decade has witnessed an explosion of interest in mind wandering, but research has been stymied by a lack of objective measures, leading to a near-exclusive reliance on self-reports. We addressed this issue by developing an eye-gaze-based, machine-learned model of mind wandering during computerized reading. Data were collected in a study in which 132 participants reported self-caught mind wandering while reading excerpts from a book on a computer screen...
February 8, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28177040/clinical-pathological-and-molecular-evaluations-and-ct-scan-screening-of-coenurosis-coenurus-cerebralis-in-sheep-and-calves
#8
Abdullah Gazioglu, Sami Simsek, Omer Kizil, Ali Osman Ceribasi, Harun Kaya Kesik, Haroon Ahmed
The aims of this study were to diagnose coenurosis by means of computerized tomography (CT) scan imaging and molecular characterization of the CO1 gene using the polymerase chain reaction (PCR). Sheep and calves were necropsied, and CT scans on the cephalic region were performed on the animals. Sections of brain tissue infected with parasites were then stained with hematoxylin and eosin for microscopic examination. Material collected from brain cysts was fixed in 70% ethanol. PCR amplification was carried out using the CO1 mitochondrial gene...
February 6, 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28165881/subtle-visuomotor-deficits-and-reduced-benefit-from-practice-in-early-treated-phenylketonuria
#9
Claudia Caprile, Jaume Campistol, Laura Puigcerver, Alfonso-Pablo Gutiérrez-Mata, Itziar Alonso-Colmenero, Roser Colomé, Jordi Navarra
INTRODUCTION: Phenylketonuria (PKU) is a rare metabolic disease that causes slight-to-severe neurological symptoms. Slow performance has been observed in PKU but the influence of high-order (i.e., not purely motor) deficits and of temporary variations of the phenylalanine (Phe) level on this slowness has not been fully corroborated as yet. Response speed and the effect of motor practice during the performance of a visuomotor coordination task were measured, in a group of patients with early-treated phenylketonuria (ET PKU)...
February 6, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28159337/normal-computerized-q-wave-measurements-in-healthy-young-athletes
#10
Divakar Saini, Aaron F Grober, David Hadley, Victor Froelicher
BACKGROUND: Recent Expert consensus statements have sought to decrease false positive rates of electrocardiographic abnormalities requiring further evaluation when screening young athletes. These statements are largely based on traditional ECG patterns and have not considered computerized measurements. OBJECTIVE: To define the normal limits for Q wave measurements from the digitally recorded ECGs of healthy young athletes. METHODS: All athletes were categorized by sex and level of participation (high school, college, and professional), and underwent screening ECGs with routine pre-participation physicals, which were electronically captured and analyzed...
January 16, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28127907/persistence-of-psychosis-spectrum-symptoms-in-the-philadelphia-neurodevelopmental-cohort-a-prospective-two-year-follow-up
#11
Monica E Calkins, Tyler M Moore, Theodore D Satterthwaite, Daniel H Wolf, Bruce I Turetsky, David R Roalf, Kathleen R Merikangas, Kosha Ruparel, Christian G Kohler, Ruben C Gur, Raquel E Gur
Prospective evaluation of youths with early psychotic-like experiences can enrich our knowledge of clinical, biobehavioral and environmental risk and protective factors associated with the development of psychotic disorders. We aimed to investigate the predictors of persistence or worsening of psychosis spectrum features among US youth through the first large systematic study to evaluate subclinical symptoms in the community. Based on Time 1 screen of 9,498 youth (age 8-21) from the Philadelphia Neurodevelopmental Cohort, a subsample of participants was enrolled based on the presence (N=249) or absence (N=254) of baseline psychosis spectrum symptoms, prior participation in neuroimaging, and current neuroimaging eligibility...
February 2017: World Psychiatry: Official Journal of the World Psychiatric Association (WPA)
https://www.readbyqxmd.com/read/28122770/factor-structure-of-impact%C3%A2-in-adolescent-student-athletes
#12
Paul B Gerrard, Grant L Iverson, Joseph E Atkins, Bruce A Maxwell, Ross Zafonte, Philip Schatz, Paul D Berkner
OBJECTIVE: ImPACT(®) (Immediate Post-Concussion Assessment and Cognitive Testing) is a computerized neuropsychological screening battery, which is widely used to measure the acute effects of sport-related concussion and to monitor recovery from injury. This study examined the factor structure of ImPACT(®) in several samples of high school student athletes. We hypothesized that a 2-factor structure would be present in all samples. METHOD: A sample of 4,809 adolescent student athletes was included, and subgroups with a history of treatment for headaches or a self-reported history of learning problems or attention-deficit hyperactivity disorder were analyzed separately...
February 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28095900/post-stroke-dementia-a-comprehensive-review
#13
REVIEW
Milija D Mijajlović, Aleksandra Pavlović, Michael Brainin, Wolf-Dieter Heiss, Terence J Quinn, Hege B Ihle-Hansen, Dirk M Hermann, Einor Ben Assayag, Edo Richard, Alexander Thiel, Efrat Kliper, Yong-Il Shin, Yun-Hee Kim, SeongHye Choi, San Jung, Yeong-Bae Lee, Osman Sinanović, Deborah A Levine, Ilana Schlesinger, Gillian Mead, Vuk Milošević, Didier Leys, Guri Hagberg, Marie Helene Ursin, Yvonne Teuschl, Semyon Prokopenko, Elena Mozheyko, Anna Bezdenezhnykh, Karl Matz, Vuk Aleksić, DafinFior Muresanu, Amos D Korczyn, Natan M Bornstein
Post-stroke dementia (PSD) or post-stroke cognitive impairment (PSCI) may affect up to one third of stroke survivors. Various definitions of PSCI and PSD have been described. We propose PSD as a label for any dementia following stroke in temporal relation. Various tools are available to screen and assess cognition, with few PSD-specific instruments. Choice will depend on purpose of assessment, with differing instruments needed for brief screening (e.g., Montreal Cognitive Assessment) or diagnostic formulation (e...
January 18, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28080264/convergent-and-criterion-validity-of-the-cogstate-computerized-brief-battery-cognitive-assessment-in-women-with-and-without-breast-cancer
#14
Sunita K Patel, Adrienne M Meier, Nathaniel Fernandez, Tracy T Y Lo, Colleen Moore, Nicole Delgado
OBJECTIVE: Computerized tests have increasingly garnered interest for assessing cognitive functioning due to their potential logistical and financial advantages over traditional 'pencil and-paper' neuropsychological tests. However, psychometric information is necessary to guide decisions about their clinical and research utility with varied populations. We explored the convergent construct validity and criterion validity of the CogState computerized tests in breast cancer survivors, a group known to present with mostly mild, subtle cognitive dysfunction...
January 12, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28075196/typhlitis-neutropenic-enterocolitis-in-patients-with-acute-leukemia-a-review
#15
Rodrigo Portugal, Marcio Nucci
Typhlitis is an abdominal complication of cancer chemotherapy, affecting mostly patients receiving intensive chemotherapeutic regimens with high potential to induce mucosal damage, such as patients with acute leukemia. Despite being relatively frequent, there are no randomized trials or high-quality cohort studies addressing important aspects of the diagnosis and management of the disease. Areas covered: In this review we discuss the gaps in the literature, acknowledging that the evidences for recommendations regarding the management of typhlitis are mostly expert opinion...
February 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28069095/deficits-in-social-cognition-an-unveiled-signature-of-multiple-sclerosis
#16
Moussa A Chalah, Samar S Ayache
BACKGROUND AND OBJECTIVES: Multiple sclerosis (MS) is a chronic progressive inflammatory disease of the central nervous system, representing the primary cause of non-traumatic disability in young adults. Cognitive dysfunction can affect patients at any time during the disease process and might alter the six core functional domains. Social cognition is a multi-component construct that includes the theory of mind, empathy and social perception of emotions from facial, bodily and vocal cues...
January 10, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28066966/updating-neuropsychological-test-system-for-the-elderly-and-modern-touch-screen-tablet-society-by-resetting-of-the-cut-off-values
#17
Takumi Kawaguchi, Mika Konishi, Akinobu Kato, Motoichiro Kato, Yohei Kooka, Kei Sawara, Ryujin Endo, Takuji Torimura, Kazuyuki Suzuki, Yasuhiro Takikawa
BACKGROUND & AIMS: Covert hepatic encephalopathy (CHE) is frequently seen in cirrhotic patients. CHE can be diagnosed by a computerized neuropsychological test system (NPT); however, NPT has not been updated about two decades in Japan. The aim of this study is to update the NPT for fitting the elderly and modern society by resetting of the cut-off values. METHODS: We enrolled 367 healthy subjects with 40 to 79 years old between 2003 and 2010. NPT consist of following 8 tests: number connection tests A and B, a figure position test, a digit symbol test, a block design test, and reaction time test A, B, and C...
January 8, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28063915/univariate-and-bivariate-likelihood-based-meta-analysis-methods-performed-comparably-when-marginal-sensitivity-and-specificity-were-the-targets-of-inference
#18
Issa J Dahabreh, Thomas A Trikalinos, Joseph Lau, Christopher H Schmid
OBJECTIVE: To compare statistical methods for meta-analysis of sensitivity and specificity of medical tests (e.g., diagnostic or screening tests). STUDY DESIGN AND SETTING: We constructed a database of PubMed-indexed meta-analyses of test performance from which 2×2 tables for each included study could be extracted. We re-analyzed the data using univariate and bivariate random effects models fit with inverse variance and maximum likelihood methods. Analyses were performed using both normal and binomial likelihoods to describe within-study variability...
January 4, 2017: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/28056919/computerized-alcohol-screening-identified-more-at-risk-drinkers-in-a-level-2-than-a-level-1-trauma-center
#19
Ghasem Imani, Cristobal Barrios, Craig L Anderson, Maryam Hosseini Farahabadi, Faried Banimahd, Bharath Chakravarthy, Wirachin Hoonpongsimanont, Christopher E McCoy, Georginne Mercado, Babak Farivar, Jacqueline K Pham, Shahram Lotfipour
BACKGROUND: Alcohol abuse is recognized as a significant contributor to injury. It is therefore essential that trauma centers implement screening and brief intervention (SBI) to identify patients who are problem drinkers. Although, the utility of SBI in identifying at-risk drinkers have been widely studied in level 1 trauma centers, few studies have been done in level 2 centers. This study evaluates the usefulness of SBI in identifying at-risk drinkers and to investigate the pattern of alcohol drinking among level 2 trauma patients...
January 6, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28055992/-practicality-of-cardiovascular-risk-functions
#20
Jaume Marrugat, Roberto Elosua, Gloria Icaza, Alberto Morales-Salinas, Irene R Dégano
Cardiovascular diseases prevention strategies require refinement because their incidence decreases very slowly. Risk functions were developed by including classical cardiovascular risk factors (age, sex, smoking, diabetes, blood pressure, and basic lipid profile) in cohorts followed more than 10 years. They are reasonably precise for population screening of, principally, coronary artery disease risk, required in all cardiovascular primary prevention clinical guidelines. Coronary artery disease risk functions classify patients in risk strata to concentrate the maximum therapeutic and life style effort in the highest risk groups, in which the number needed to treat and cost-effectiveness are optimal...
December 13, 2016: Medwave
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