1,123,530 results match your criteria behavior study


[Function-based tests to determine the return-to-activity state in patients with non-specific low back pain].

Sportverletz Sportschaden 2021 May 12. Epub 2021 May 12.

Hochschule Furtwangen, Germany.

Background:  Most people with back pain suffer from non-specific low back pain, for which no specific reasons can be found. Two out of three have recurrent pain episodes. To reduce the likelihood of recurrence and long-lasting pain, functional tests are increasingly used to determine the current functional status. Read More

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Predictors of Health Information Seeking Behavior: A Systematic Review and Network Analysis.

J Med Internet Res 2021 May 12. Epub 2021 May 12.

The University of Sydney School of Pharmacy, Pharmacy and Bank Building A15, The University of Sydney, AU.

Background: People engage in health information seeking behavior (HISB) to support health outcomes. Being able to predict a person's behavior can inform the development of interventions to guide effective health information seeking. Obtaining a comprehensive list of the predictors of HISB through a systematic search of the literature and exploring the inter-relationship of these predictors are important first steps in this process. Read More

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Quality versus quantity: Determining real-world social functioning deficits in schizophrenia.

Psychiatry Res 2021 May 1;301:113980. Epub 2021 May 1.

Department of Psychology, Indiana University - Purdue University Indianapolis, LD 124, 402N Blackford St, Indianapolis, IN 46202, United States.

Social dysfunction is a hallmark of schizophrenia that is associated with emotional disturbances. Researchers have employed ecological momentary assessment (EMA) to measure social and emotional functioning in people with schizophrenia. Yet, few studies have evaluated quality of real-world social interactions, and it is unclear how interactions impact emotional experiences in this population. Read More

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The effect of highly inhomogeneous biphasic properties on mechanical behaviour of articular cartilage.

Comput Methods Programs Biomed 2021 Apr 22;206:106122. Epub 2021 Apr 22.

State Key Laboratory for Manufacturing System Engineering, School of Mechanical Engineering, Xi'an Jiaotong University, 710054, Xi'an, Shaanxi, China; Institute of Medical and Biological Engineering, School of Mechanical Engineering, University of Leeds, Leeds, LS2 9JT, United Kingdom; Tribology Research Institute, School of Mechanical Engineering, Southwest Jiaotong University, 610031, Chengdu, Sichuan, China. Electronic address:

Background And Objective: Investigating the biomechanics of cartilage could help to understand the unique load-bearing property of the cartilage and optimize the scaffold design in tissue-engineering. It is important to model the cartilage as a highly inhomogeneous fibril-reinforced biphasic material to represent its complex composition and structure. The depth-dependent and strain-dependent properties of the cartilage would also play an important role in its mechanical behaviour. Read More

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A High Fat Western Diet Attenuates Phasic Dopamine Release.

Neurosci Lett 2021 May 9:135952. Epub 2021 May 9.

Department of Psychology, University of Memphis, Memphis, Tennessee, 38152-3520, USA. Electronic address:

Natural rewards, such as food and social interaction, as well as drugs of abuse elicit increased mesolimbic dopamine release in the nucleus accumbens (NAc). Drugs of abuse, however, increase NAc dopamine release to a greater extent and are known to induce lasting changes on the functioning of the mesolimbic dopamine pathway. Less is known about the long-term effects of diet composition on this reward pathway. Read More

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It's trust or risk? Chemosensory anxiety signals affect bargaining in women.

Biol Psychol 2021 May 9:108114. Epub 2021 May 9.

Department of Experimental Psychology, Heinrich-Heine-University Düsseldorf, Germany. Electronic address:

It is well documented how chemosensory anxiety signals affect the perceiver's physiology, however, much less is known about effects on overt social behavior. The aim of the present study was to investigate the effects of chemosensory anxiety signals on trust and risk behavior in men and women. Axillary sweat samples were collected from 22 men during the experience of social anxiety, and during a sport control condition. Read More

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Triatomine and Trypanosoma cruzi discrete typing units distribution in a semi-arid area of northeastern Brazil.

Acta Trop 2021 May 9:105950. Epub 2021 May 9.

Graduate Program in Parasitic Biology, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil; Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil. Electronic address:

The occurrence of triatomine species, their bloodmeal sources, and the discrete typing units (DTUs) of Trypanosoma cruzi isolated from them were determined in different municipalities of the state of Rio Grande do Norte, Brazil. Triatomine captures were carried out in the rural areas of 23 municipalities. The genotyping of T. Read More

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Chromatin accessibility governs the differential response of cancer and T cells to arginine starvation.

Cell Rep 2021 May;35(6):109101

MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK.

Depleting the microenvironment of important nutrients such as arginine is a key strategy for immune evasion by cancer cells. Many tumors overexpress arginase, but it is unclear how these cancers, but not T cells, tolerate arginine depletion. In this study, we show that tumor cells synthesize arginine from citrulline by upregulating argininosuccinate synthetase 1 (ASS1). Read More

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Differences in risk perception, knowledge and protective behaviour regarding COVID-19 by education level among women and men in Germany. Results from the COVID-19 Snapshot Monitoring (COSMO) study.

PLoS One 2021 12;16(5):e0251694. Epub 2021 May 12.

Robert Koch Institute, Berlin, Germany.

The main strategy for combatting SARS-CoV-2 infections in 2020 consisted of behavioural regulations including contact reduction, maintaining distance, hand hygiene, and mask wearing. COVID-19-related risk perception and knowledge may influence protective behaviour, and education could be an important determinant. The current study investigated differences by education level in risk perception, knowledge and protective behaviour regarding COVID-19 in Germany, exploring the development of the pandemic over time. Read More

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Microbial corrosion of DSS 2205 in an acidic chloride environment under continuous flow.

PLoS One 2021 12;16(5):e0251524. Epub 2021 May 12.

Energy and Resources Institute, College of Engineering, Information Technology and Environment, Charles Darwin University, Darwin, Northern Territory, Australia.

Corrosion under flow conditions is a major problem in the transportation industry. Various studies have shown the direct impact of different flow rates on bacteria biofilm formation, mass transfer and resulting different corrosion behaviour of materials in neutral environments. However, little is understood on corrosion under acidic flow conditions. Read More

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Adolescent well-being and learning in times of COVID-19-A multi-country study of basic psychological need satisfaction, learning behavior, and the mediating roles of positive emotion and intrinsic motivation.

PLoS One 2021 12;16(5):e0251352. Epub 2021 May 12.

Department of Developmental and Educational Psychology, Faculty of Psychology, University of Vienna, Vienna, Austria.

The sudden switch to distance education to contain the outbreak of the COVID-19 pandemic has fundamentally altered adolescents' lives around the globe. The present research aims to identify psychological characteristics that relate to adolescents' well-being in terms of positive emotion and intrinsic learning motivation, and key characteristics of their learning behavior in a situation of unplanned, involuntary distance education. Following Self-Determination Theory, experienced competence, autonomy, and relatedness were assumed to relate to active learning behavior (i. Read More

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Laughter and smiling facial expression modelling for the generation of virtual affective behavior.

PLoS One 2021 12;16(5):e0251057. Epub 2021 May 12.

Department of Mathematics and Computer Science, University of the Balearic Islands, Palma de Mallorca, Spain.

Laughter and smiling are significant facial expressions used in human to human communication. We present a computational model for the generation of facial expressions associated with laughter and smiling in order to facilitate the synthesis of such facial expressions in virtual characters. In addition, a new method to reproduce these types of laughter is proposed and validated using databases of generic and specific facial smile expressions. Read More

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Infrared thermal imaging monitoring on hands when performing repetitive tasks: An experimental study.

PLoS One 2021 12;16(5):e0250733. Epub 2021 May 12.

Faculty of Chemical Sciences and Engineering, Autonomous University of Baja California, Tijuana, Mexico.

The monitoring of infrared thermal images is reported to analyze changes in skin temperature in the hand fingers when repetitive work is performed to know which finger has a greater risk of injury, besides, the recovery time is analyzed regarding the initial temperature and its relationship with age, sex, weight, height if practice sports, and Body Mass Index (BMI) per individual. For the above, an experimental test was carried out for 10 minutes on a repetitive operation that takes place in the telecommunications industry and 39 subjects participated in which an infrared thermal image of the dorsal and palmar part of both hands was taken in periods of 5 minutes after the 10-minute test has elapsed. The results show that none of the participants recovered their initial temperature after 10 minutes of the experimental test. Read More

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Social mobility and healthy behaviours from a gender perspective in the Spanish multicase-control study (MCC-Spain).

PLoS One 2021 12;16(5):e0251447. Epub 2021 May 12.

Cancer and Public Health Area, Foundation for the Promotion of the Research in Healthcare and Biomedicine (FISABIO-Salud Pública), Valencia, Valencian Community, Spain.

There is evidence for the influence of socioeconomic status (SES) on healthy behaviours but the effect of social mobility (SM) is not yet well known. This study aims to analyse the influence of origin and destination SES (O-SES and D-SES) and SM on healthy behaviours and co-occurrence, from an integrated gender and age perspective. Data were obtained from the controls of MCC-Spain between 2008-2013 (3,606 participants). Read More

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Generating an Adaptive and Robust Walking Pattern for a Prosthetic Ankle-Foot by Utilizing a Nonlinear Autoregressive Network With Exogenous Inputs.

IEEE Trans Neural Netw Learn Syst 2021 May 12;PP. Epub 2021 May 12.

One of the major challenges in developing powered lower limb prostheses is emulating the behavior of an intact lower limb with different walking speeds over diverse terrains. Numerous studies have been conducted on control algorithms in the field of rehabilitation robotics to achieve this overarching goal. Recent studies on powered prostheses have frequently used a hierarchical control scheme consisting of three control levels. Read More

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Neuroprotective Effect of Ultrasound Neuromodulation on Kainic Acid-Induced Epilepsy in mice.

IEEE Trans Ultrason Ferroelectr Freq Control 2021 May 12;PP. Epub 2021 May 12.

Preliminary evidence suggest that low intensity pulsed ultrasound (LIPUS) has neuroprotective effects on ischemic stroke, d epression and other conditions leading to neuronal cell death (e.g., Pa rkinson's disease). Read More

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Systematic tracking of mental health acute care visits: A model of care for college students.

J Am Coll Health 2021 May 12:1-12. Epub 2021 May 12.

Department of Psychiatry, Health Sciences, UC San Diego, La Jolla, California, USA.

College students who receive an acute care visit (ACV) from an emergency or inpatient unit require mental health follow-up (MHF) to improve long-term outcomes. This study describes tracking ACVs and MHF, while identifying characteristics of multiple vs. single ACVs. Read More

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Internal ballistics of polygonal and grooved barrels: A comparative study.

Sci Prog 2021 Apr-Jun;104(2):368504211016954

Instituto Politécnico Nacional, SEPI-ESIME U.P., Zacatenco, Ciudad de México, México.

As a parameter important ballistic, the research about polygonal and grooved barrels' behavior has not been widely carried out. The pressures, velocities, stresses, deformations, and strains generated by the firing of 9 mm × 19 mm ammunition in weapons with polygonal barrels are analyzed numerically and experimentally, compared with those generated in pistols with grooved barrels. The Finite Element Method with equal boundary and loading conditions was used in both types of guns, specifying the actual materials of the projectile and the barrels. Read More

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Modeling the influence of 0.03%, 0.05% and 0.08% blood alcohol concentrations on lane positioning and steering control of Indian drivers.

Traffic Inj Prev 2021 May 12:1-11. Epub 2021 May 12.

Transportation Systems Engineering, Department of Civil Engineering, Indian Institute of Technology (IIT) Bombay, Mumbai, Maharashtra, India.

Objective: Alcohol-impairment of drivers has significant influence on road traffic safety; however, no experimental research has been conducted on the lateral driving control of Indian drivers. Therefore, the present study investigates the effects of different Blood Alcohol Concentration (BAC) levels (0%, 0.03%, 0. Read More

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Coping With Tinnitus During the COVID-19 Pandemic.

Am J Audiol 2021 May 12:1-9. Epub 2021 May 12.

Department of Speech and Hearing Sciences, Lamar University, Beaumont, TX.

Purpose The COVID-19 pandemic disrupted normal operations of health care services, broad sectors of the economy, and the ability to socialize freely. For those with tinnitus, such changes can be factors in exacerbating tinnitus. The purpose of this study was to determine tinnitus help-seeking behavior, which resources individuals utilized to cope during the pandemic, and what additional support is desired. Read More

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Efficacy and safety of the clearum dialyzer.

Artif Organs 2021 May 12. Epub 2021 May 12.

Department of Biochemistry, Hospital Clínic Barcelona, Barcelona, Spain.

The Clearum dialyzer, built by Medtronic, became commercially available in several European countries in 2020 but there are still no reports of in vivo data. The aim of this study was to evaluate the efficacy and risk of hypoalbuminemia of this dialyzer compared with previously evaluated hemodialysis (HD), expanded hemodialysis (HDx) and postdilution hemodiafiltration (HDF) treatments. A prospective study was carried out in 15 patients. Read More

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Intuitive eating: associations with body weight status and eating attitudes in dietetic majors.

Eat Weight Disord 2021 May 12. Epub 2021 May 12.

Department of Nutrition and Dietetics, Faculty of Health Sciences, Erciyes University, Melikgazi, Kayseri, 38039, Turkey.

Purpose: Intuitive eating (IE), an adaptive eating pattern characterized by eating in response to physiological hunger and satiety cues, has been associated with positive psychosocial and physical health outcomes. This study aimed to determine associations between IE behavior with body weight status and eating attitudes in dietetic students and dietitians, who are a risky population for disordered eating and body dissatisfaction.

Methods: Participants (n = 785) completed a self-administered questionnaire which featured socio-demographic characteristics, the eating attitudes test 26, the three-factor eating questionnaire, and the intuitive eating scale-2 with four facets unconditional permission to eat (UPE), eating for physical rather than emotional reasons (EPR), reliance on hunger and satiety cues (RHSC) and body-food choice congruence (B-FCC). Read More

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A Within-Subject Pilot Feasibility Study of a Gambling Specific SBIRT Intervention Delivered in an Urban HIV/Primary Clinic.

J Gambl Stud 2021 May 12. Epub 2021 May 12.

College of Medicine, University of Kentucky, Lexington, USA.

Background: Although there are few interventions available to provide screening and brief intervention targeted toward problematic gambling, Screening, Brief Intervention and Referral to Treatment (SBIRT) is an evidence-based intervention that has demonstrated effectiveness in reducing gambling behaviors.

Methods: The goal of this pilot study was to evaluate the feasibility, acceptability and preliminary outcomes of a gambling specific SBIRT intervention in a medical setting. Fifteen participants were recruited from an urban HIV/Primary Care clinic to receive the gambling specific SBIRT intervention delivered by 3 clinicians. Read More

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Effects of functional electro-stimulation combined with blood flow restriction in affected muscles by spinal cord injury.

Neurol Sci 2021 May 12. Epub 2021 May 12.

Motor Behavior Studies Center/Physiology Education Post Graduation Program, Federal University of Paraná, Curitiba, Brazil.

Muscle atrophy is a great consequence of spinal cord injuries (SCI) due to immobility. SCI's detrimental effects on large muscle groups may lead to secondary effects such as glucose intolerance, increased risk of metabolic syndrome, and diabetes. Exercising with blood flow restriction (BFR) has been proposed as an effective method to induce hypertrophy using low training loads, with little or no muscle damage. Read More

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The impact of maternal care and blood glucose availability on the cortisol stress response in fasted women.

J Neural Transm (Vienna) 2021 May 12. Epub 2021 May 12.

Department of Psychology, Division of Neuropsychology, University of Constance, Constance, Germany.

Individuals with a history of low maternal care (MC) frequently present a blunted, yet sometimes also show an increased cortisol stress response. Fasted individuals with low blood glucose levels who are exposed to acute stress typically show an attenuated response pattern in this endocrine marker. Despite well-documented metabolic dysregulations after low MC, a possible interaction of both factors has not been investigated yet. Read More

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Total Arsenic Concentrations in Sea Turtle Tissues from the Mediterranean Coast of Spain.

Bull Environ Contam Toxicol 2021 May 12. Epub 2021 May 12.

Fisheries and Aquaculture Service (CARM), 30100, Murcia, Spain.

In this work we studied total arsenic concentrations in liver, muscle and kidney of 49 individuals of two sea turtle species (loggerhead sea turtles, n = 45; leatherback turtles, n = 4) stranded in Murcia (South-eastern Spain) coastline between 2009 and 2018. In accordance with the literature, muscle was the tissue with the highest concentrations in both species, followed by liver and kidney. Although differences in arsenic concentrations were not statistically significant between the study species, loggerhead sea turtles showed concentrations two or three times higher than those of leatherback turtles, which we attribute to differences on feeding behavior and habitat preferences. Read More

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Predictors of Walking App Users With Comparison of Current Users, Previous Users, and Informed Nonusers in a Sample of Dutch Adults: Questionnaire Study.

JMIR Mhealth Uhealth 2021 May 12;9(5):e13391. Epub 2021 May 12.

Department of Physiotherapy, Faculty of Health, Amsterdam University of Applied Sciences, Amsterdam, Netherlands.

Background: The last decade has seen a substantial increase in the use of mobile health apps and research into the effects of those apps on health and health behaviors. In parallel, research has aimed at identifying population subgroups that are more likely to use those health apps. Current evidence is limited by two issues. Read More

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Habit Facilitates Actioning Sun Protective Behavior Intentions.

Behav Med 2021 May 12:1-7. Epub 2021 May 12.

Department of Psychology, Institute of Psychiatry, Psychology, and Neuroscience, King's College London.

Skin cancer is highly burdensome, but preventable with regular engagement in sun protective behaviors. Despite modest effectiveness of sun-protective behavior promotional efforts thus far, rates of engagement in sun-protective behaviors remain low. More is needed to understand motivation for using sunscreen, wearing sun-protective clothing, and seeking shade. Read More

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The role of circumcision, tobacco, and alcohol use in genital human papillomavirus infection among men from Denmark.

Int J STD AIDS 2021 May 12:9564624211014727. Epub 2021 May 12.

Unit of Virus, Lifestyle and Genes, 165143Danish Cancer Society Research Center, Copenhagen, Denmark.

It is crucial to understand the natural history of genital human papillomavirus (HPV) infection in men to prevent the increasing male HPV-related disease burden. We evaluated the associations between HPV infection and circumcision, smoking, and alcohol use after accounting for sexual behavior. The study included 2331 male personnel from Danish barracks. Read More

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Impact of Carbohydrate Counting Error on Glycemic Control in Open-Loop Management of Type 1 Diabetes: Quantitative Assessment Through an in silico Trial.

J Diabetes Sci Technol 2021 May 12:19322968211012392. Epub 2021 May 12.

Department of Information Engineering, University of Padova, Padova, Italy.

Background: In the management of type 1 diabetes (T1D), systematic and random errors in carb-counting can have an adverse effect on glycemic control. In this study, we performed an in silico trial aiming at quantifying the impact of different levels of carb-counting error on glycemic control.

Methods: The T1D patient decision simulator was used to simulate 7-day glycemic profiles of 100 adults using open-loop therapy. Read More

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