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https://www.readbyqxmd.com/read/28923661/the-influence-of-the-aquatic-environment-on-the-center-of-pressure-impulses-and-upper-and-lower-trunk-accelerations-during-gait-initiation
#1
Andresa R Marinho-Buzelli, Kei Masani, Hossein Rouhani, Ana M Barela, Gustavo T B Fernandes, Mary C Verrier, Milos R Popovic
Gait initiation is defined as the transition from stationary standing to steady-state walking. Despite the frequent use of therapy pools for training walking in early stages of rehabilitation, none have been reported on the effects of immersion on gait initiation. We aimed to analyze the center of pressure (COP) trajectories, the vertical and anteroposterior impulses and upper and lower trunk accelerations during anticipatory (APA) and execution phases of gait initiation. In the COP trajectory, the execution (EXE) phase was further subdivided in two phases: predominantly mediolateral (EXE1), and predominantly anteroposterior (EXE2)...
September 8, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28921756/temporal-alignment-of-anticipatory-motor-cortical-beta-lateralisation-in-hidden-visual-motor-sequences
#2
Simone G Heideman, Freek van Ede, Anna C Nobre
Performance improves when participants respond to events that are structured in repeating sequences, suggesting that learning can lead to proactive anticipatory preparation. Whereas most sequence-learning studies have emphasized spatial structure, most sequences also contain a prominent temporal structure. We used MEG to investigate spatial and temporal anticipatory neural dynamics in a modified serial reaction-time (SRT) task. Performance and brain activity were compared between blocks with learned spatial-temporal sequences and blocks with new sequences...
September 16, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28921721/effects-of-the-availability-of-accurate-proprioceptive-information-on-older-adults-postural-sway-and-muscle-co-contraction
#3
Chesney E Craig, Glenn H M Calvert, Michail Doumas
During conditions of increased postural instability, older adults exhibit greater lower-limb muscle co-contraction. This response has been interpreted as a compensatory postural strategy, which may be used to i006Ecrease proprioceptive information from muscle spindles or to stiffen the lower limb as a general response to minimise postural sway. The current study aimed to test these two hypotheses by investigating use of muscle co-contraction during sensory transitions that manipulated proprioceptive input. Surface EMG was recorded from the bilateral tibialis anterior and gastrocnemius medialis muscles, in young (aged 18-30) and older adults (aged 68-80) during blind-folded postural assessment...
September 16, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28919941/a-test-of-the-submentalizing-hypothesis-apes-performance-in-a-false-belief-task-inanimate-control
#4
Christopher Krupenye, Fumihiro Kano, Satoshi Hirata, Josep Call, Michael Tomasello
Much debate concerns whether any nonhuman animals share with humans the ability to infer others' mental states, such as desires and beliefs. In a recent eye-tracking false-belief task, we showed that great apes correctly anticipated that a human actor would search for a goal object where he had last seen it, even though the apes themselves knew that it was no longer there. In response, Heyes proposed that apes' looking behavior was guided not by social cognitive mechanisms but rather domain-general cueing effects, and suggested the use of inanimate controls to test this alternative submentalizing hypothesis...
2017: Communicative & Integrative Biology
https://www.readbyqxmd.com/read/28918648/anticipatory-traumatic-reaction-outcomes-arising-from-secondary-exposure-to-disasters-and-large-scale-threats
#5
Tanya L Hopwood, Nicola S Schutte, Natasha M Loi
Two studies, with a total of 707 participants, developed and examined the reliability and validity of a measure for anticipatory traumatic reaction (ATR), a novel construct describing a form of distress that may occur in response to threat-related media reports and discussions. Exploratory and confirmatory factor analysis resulted in a scale comprising three subscales: feelings related to future threat; preparatory thoughts and actions; and disruption to daily activities. Internal consistency was .93 for the overall ATR scale...
September 1, 2017: Assessment
https://www.readbyqxmd.com/read/28917097/development-of-motor-imagery-and-anticipatory-action-planning-in-children-with-developmental-coordination-disorder-a-longitudinal-approach
#6
Imke L J Adams, Jessica M Lust, Peter H Wilson, Bert Steenbergen
Children with impaired motor coordination (or Development Coordination Disorder - DCD) have difficulty with the predictive control of movements, evidenced by cross-sectional studies that show impaired motor imagery and action planning abilities. What remains unclear is whether this deficit in predictive control reflects immaturity of the motor system (a developmental delay) or some deviation from normal development (a disorder). To advance this discussion the present study used a longitudinal design to examine the development of motor imagery and action planning in children with DCD...
September 13, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28915508/preoperative-intraaortic-balloon-pump-improves-early-outcomes-following-high-risk-coronary-artery-bypass-graft-surgery-a-meta-analysis-of-randomized-trials-and-prospective-study-design
#7
Penelope P Rampersad, Jacob A Udell, Rami Zawi, Maral Ouzounian, Christopher B Overgaard, Vinoda Sharma, Vivek Rao, Michael E Farkouh, Vladimír Džavík
BACKGROUND: Despite widespread use, evidence to support preemptive intraaortic balloon pump (IABP) insertion for patients undergoing high-risk coronary artery bypass graft (CABG) surgery remains sparse, and in need of a well-defined clinical trial. To inform the design of a prospective trial, we sought to review outcomes in randomized controlled trials (RCTs) of anticipatory IABP use vs control in patients undergoing high-risk CABG through meta-analysis. The primary endpoint was all-cause mortality within 30 days of surgery...
September 15, 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28906318/nutritional-state-and-feeding-behaviors-of-children-with-eosinophilic-esophagitis-and-gastroesophageal-reflux-disease
#8
Pooja Mehta, Glenn T Furuta, Taryn Brennan, Michelle L Henry, Nancy Creskoff Maune, Shikha S Sundaram, Calies Menard-Katcher, Dan Atkins, Faith Takurukura, Sandra Giffen, Zhaoxing Pan, Angela M Haas
OBJECTIVE: Because both gastroesophageal reflux disease (GERD) and eosinophilic esophagitis (EoE) are associated with malnutrition and feeding dysfunction, this study compares growth, nutrition and feeding behaviors in children with GERD and EoE. METHODS: Subjects aged 1-7 with GERD or EoE were enrolled in a prospective study. Assessments included length/height, weight, 3-day food diary, serum biomarkers of nutrition, and the Behavioral Pediatric Feeding Assessment Scale (BPFAS)...
September 12, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28902845/clinical-and-epidemiologic-characteristics-of-dengue-and-other-etiologic-agents-among-patients-with-acute-febrile-illness-puerto-rico-2012-2015
#9
Kay M Tomashek, Olga D Lorenzi, Doris A Andújar-Pérez, Brenda C Torres-Velásquez, Elizabeth A Hunsperger, Jorge Luis Munoz-Jordan, Janice Perez-Padilla, Aidsa Rivera, Gladys E Gonzalez-Zeno, Tyler M Sharp, Renee L Galloway, Mindy Glass Elrod, Demetrius L Mathis, M Steven Oberste, W Allan Nix, Elizabeth Henderson, Jennifer McQuiston, Joseph Singleton, Cecilia Kato, Carlos García Gubern, William Santiago-Rivera, Jesús Cruz-Correa, Robert Muns-Sosa, Juan D Ortiz-Rivera, Gerson Jiménez, Ivonne E Galarza, Kalanthe Horiuchi, Harold S Margolis, Luisa I Alvarado
Identifying etiologies of acute febrile illnesses (AFI) is challenging due to non-specific presentation and limited availability of diagnostics. Prospective AFI studies provide a methodology to describe the syndrome by age and etiology, findings that can be used to develop case definitions and multiplexed diagnostics to optimize management. We conducted a 3-year prospective AFI study in Puerto Rico. Patients with fever ≤7 days were offered enrollment, and clinical data and specimens were collected at enrollment and upon discharge or follow-up...
September 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28902126/work-rate-during-self-paced-exercise-is-not-mediated-by-the-rate-of-heat-storage
#10
Brian J Friesen, Julien D Périard, Martin P Poirier, Martin Lauzon, Denis P Blondin, Francois Haman, Glen P Kenny
PURPOSE: To date, there have been mixed findings on whether greater anticipatory reductions in self-paced exercise intensity in the heat are mediated by early differences in rate of body heat storage. The disparity may be due to an inability to accurately measure minute-to-minute changes in whole-body heat loss. Thus, we evaluated whether early differences in rate of heat storage can mediate exercise intensity during self-paced cycling at a fixed rate of perceived exertion (RPE of 16; hard-to-very-hard work effort) in COOL (15°C), NORMAL (25°C) and HOT (35°C) ambient conditions...
September 8, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28901667/variables-affecting-the-manifestation-of-and-intensity-of-pacing-behavior-a-preliminary-case-study-in-zoo-housed-polar-bears
#11
Isabelle T Cless, Kristen E Lukas
High-speed video analysis was used to quantify two aspects of gait in 10 zoo-housed polar bears. These two variables were then examined as to how they differed in the conditions of pacing versus locomoting for each bear. Percent difference calculations measured the difference between pacing and locomoting data for each bear. We inferred that the higher the percent difference between pacing and locomoting in a given subject, the more intense the pacing may be. The percent difference values were analyzed alongside caregiver survey data defining the locations, frequency, and anticipatory nature of pacing in each bear, as well as each bear's age and sex, to determine whether any variables were correlated...
September 13, 2017: Zoo Biology
https://www.readbyqxmd.com/read/28891715/-where-it-falls-apart-barriers-to-retention-in-hiv-care-in-latino-immigrants-and-migrants
#12
Julie H Levison, Laura M Bogart, Iman F Khan, Dianna Mejia, Hortensia Amaro, Margarita Alegría, Steven Safren
Latino immigrants in the United States are disproportionately affected by HIV. Barriers to consistent attendance (retention) in HIV primary care constrain opportunities for HIV treatment success, but have not been specifically assessed in this population. We conducted semistructured interviews with 37 HIV-infected Latinos (aged ≥18 years and born in Puerto Rico or a Latin American Spanish-speaking country) and 14 HIV providers in metropolitan Boston (total n = 51). The Andersen Model of Healthcare Utilization informed a semistructured interview guide, which bilingual research staff used to explore barriers to HIV care...
September 2017: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/28891403/a-sensory-evoked-response-or-precise-anticipatory-modulation-mechanisms-underlying-the-reported-c1-modulation-by-spatial-attention
#13
Yulong Ding
Almost ten years ago, Kelly, Gomez-Ramirez, & Foxe (2008) reported that the earliest component (i.e., the C1) of the visual evoked potential (VEP) could be modulated by spatial attention. Using a similar experimental design and data analysis methods, however, Baumgartner et al. (this issue) recently failed to provide confirmative evidence. In this commentary, I suggest that some minor differences in experimental design may account for the inconsistent results between the two studies. I also propose a hypothesis that the C1 effect reported in Kelly et al...
September 10, 2017: Cognitive Neuroscience
https://www.readbyqxmd.com/read/28890691/predicting-intentions-of-a-familiar-significant-other-beyond-the-mirror-neuron-system
#14
Stephanie Cacioppo, Elsa Juan, George Monteleone
Inferring intentions of others is one of the most intriguing issues in interpersonal interaction. Theories of embodied cognition and simulation suggest that this mechanism takes place through a direct and automatic matching process that occurs between an observed action and past actions. This process occurs via the reactivation of past self-related sensorimotor experiences within the inferior frontoparietal network (including the mirror neuron system, MNS). The working model is that the anticipatory representations of others' behaviors require internal predictive models of actions formed from pre-established, shared representations between the observer and the actor...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28890620/prevalence-and-associated-risk-factors-of-severe-early-childhood-caries-in-12-to-36-month-old-children-of-sirmaur-district-himachal-pradesh-india
#15
Ritu G Mangla, Raman Kapur, Abhishek Dhindsa, Manish Madan
AIM: To assess the prevalence, distribution, and associated risk factors of severe early childhood caries (S-ECC) among 12- to 36-month-old children of district Sirmaur, Himachal Pradesh, India. MATERIALS AND METHODS: The present study was conducted on a random sample of 510 children, both boys and girls, between 12 and 36 months of age randomly selected from various government-sponsored day-care centers, private day-care centers, and vaccination centers. Caries was recorded using World Health Organization criteria...
April 2017: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28890000/maternal-drd2-slc6a3-and-oxtr-genotypes-as-potential-moderators-of-the-relation-between-maternal-history-of-care-and-maternal-cortisol-secretion-in-the-context-of-mother-infant-separation
#16
Jaclyn A Ludmer, Brittany Jamieson, Andrea Gonzalez, Robert Levitan, James Kennedy, Vanessa Villani, Mario Masellis, Vincenzo S Basile, Leslie Atkinson
A mother's cortisol secretion is importantly associated with her own mental health and her infant's cortisol secretion. This study investigated the influences of maternal history of care and maternal DRD2, SLC6A3, and OXTR genotypes on maternal cortisol in the context of infant stress. A community sample of 296 mother-infant dyads completed a maternal separation at infant age 17 months. Maternal salivary cortisol, buccal cells, and self-reported history of care were collected. Multilevel models revealed that history of care had a greater influence on maternal baseline cortisol (but not cortisol trajectory) for mothers with more plasticity alleles of SLC6A3 (10R) and OXTR (G), relative to mothers with fewer or no plasticity alleles...
September 7, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28889061/depressive-symptoms-ruminative-thinking-drinking-motives-and-alcohol-outcomes-a-multiple-mediation-model-among-college-students-in-three-countries
#17
Adrian J Bravo, Angelina Pilatti, Matthew R Pearson, Laura Mezquita, Manuel I Ibáñez, Generós Ortet
BACKGROUND: Recent research suggests that ruminative thinking (specifically problem-focused thoughts) may explain why individuals engage in drinking to cope (DTC) when dealing with depressive symptoms; which in turn leads to increased negative alcohol-related consequences. Cross-cultural studies addressing these phenomena are scarce. OBJECTIVES: The present study cross-culturally tested whether four rumination facets (problem-focused thoughts, counterfactual thinking, repetitive thoughts, and anticipatory thoughts) uniquely mediate the relationships between depressive symptoms and drinking motives/alcohol outcomes in a multicultural sample of college student drinkers (n=1429) from Spain, Argentina, and the U...
August 31, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28886169/endogenous-temporal-attention-in-the-absence-of-stimulus-driven-cues-emerges-in-the-second-year-of-life
#18
Anna Martinez-Alvarez, Ferran Pons, Ruth de Diego-Balaguer
Anticipating both where and when an object will appear is a critical ability for adaptation. Research in the temporal domain in adults indicate that dissociable mechanisms relate to endogenous attention driven by the properties of the stimulus themselves (e.g. rhythmic, sequential, or trajectory cues) and driven by symbolic cues. In infancy, we know that the capacity to endogenously orient attention progressively develops through infancy. However, the above-mentioned distinction has not yet been explored since previous studies involved stimulus-driven cues...
2017: PloS One
https://www.readbyqxmd.com/read/28884336/the-effects-of-constraining-vision-and-eye-movements-on-whole-body-coordination-during-standing-turns
#19
Rebecca K Robins, Mark A Hollands
Turning the body towards a new direction is normally achieved via a top-down synergy whereby gaze (eye direction in space) leads the upper body segments, which in turn lead the feet. These anticipatory eye movements are observable even in darkness and constraining the initial eye movements modifies the stereotyped top-down reorientation sequence. Our aim was to elucidate the relative contributions of vision and eye movements to whole-body coordination during large standing turns by observing the effects of separately removing visual information or suppressing eye movements throughout the turn...
September 7, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28872667/cognitive-and-neuroimaging-findings-in-developmental-coordination-disorder-new-insights-from-a-systematic-review-of-recent-research
#20
REVIEW
Peter H Wilson, Bouwien Smits-Engelsman, Karen Caeyenberghs, Bert Steenbergen, David Sugden, Jane Clark, Nick Mumford, Rainer Blank
AIM: To better understand the neural and performance factors that may underlie developmental coordination disorder (DCD), and implications for a multi-component account. METHOD: A systematic review of the experimental literature published between June 2011 and September 2016 was conducted using a modified PICOS (population, intervention, comparison, outcomes, and study type) framework. A total of 106 studies were included. RESULTS: Behavioural data from 91 studies showed a broad cluster of deficits in the anticipatory control of movement, basic processes of motor learning, and cognitive control...
September 5, 2017: Developmental Medicine and Child Neurology
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