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Adaptive RT

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https://www.readbyqxmd.com/read/27899887/saccadic-adaptation-alters-the-attentional-field
#1
Farahnaz A Wick, Tyler W Garaas, Marc Pomplun
It is currently unknown whether changes to the oculomotor system can induce changes to the distribution of spatial attention around a fixated target. Previous studies have used perceptual performance tasks to show that adaptation of saccadic eye movements affects dynamic properties of visual attention, in particular, attentional shifts to a cued location. In this study, we examined the effects of saccadic adaptation on the static distribution of visual attention around fixation (attentional field). We used the classic double step adaptation procedure and a flanker task to test for differences in the attentional field after forward and backward adaptation...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27898387/a-novel-adaboost-framework-with-robust-threshold-and-structural-optimization
#2
Peng-Bo Zhang, Zhi-Xin Yang
The AdaBoost algorithm is a popular ensemble method that combines several weak learners to boost generalization performance. However, conventional AdaBoost.RT algorithms suffer from the limitation that the threshold value must be manually specified rather than chosen through a self-adaptive mechanism, which cannot guarantee a result in an optimal model for general cases. In this paper, we present a generic AdaBoost framework with robust threshold mechanism and structural optimization on regression problems...
November 24, 2016: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/27886657/receipt-of-addiction-treatment-as-a-consequence-of-a-brief-intervention-for-drug-use-in-primary-care-a-randomized-trial
#3
Theresa W Kim, Judith Bernstein, Debbie M Cheng, Christine Lloyd-Travaglini, Jeffrey H Samet, Tibor P Palfai, Richard Saitz
BACKGROUND AND AIMS: Screening, brief intervention and 'referral to treatment' programs have been widely promoted as US federal policy. Little is known about the efficacy of the RT component (referral to treatment) of brief intervention for motivating patients with unhealthy drug use identified by screening to use addiction treatment. This study aimed to compare receipt of addiction treatment following two types of brief intervention for drug use vs a no-intervention control group among primary care patients screening positive for drug use...
November 25, 2016: Addiction
https://www.readbyqxmd.com/read/27882012/individualized-supervised-resistance-training-during-nebulization-in-adults-with-cystic-fibrosis
#4
Ina Shaw, Janine E Kinsey, Roxanne Richards, Brandon S Shaw
BACKGROUND & OBJECTIVE: Since dyspnea limits exercise adherence and intensity in cystic fibrosis (CF) patients, engaging in resistance training (RT), which causes less dyspnea than other exercise modalities, while using nebulizers could not only overcome this barrier, but also enhance long-term adaptations to treatment. The objective of this study was to examine the effects of RT during nebulization on spirometry, anthropometry, chest wall excursion, respiratory muscle strength and health-related quality of life (HRQOL)...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27872958/multisensory-integration-is-independent-of-perceived-simultaneity
#5
Vanessa Harrar, Laurence R Harris, Charles Spence
The importance of multisensory integration for perception and action has long been recognised. Integrating information from individual senses increases the chance of survival by reducing the variability in the incoming signals, thus allowing us to respond more rapidly. Reaction times (RTs) are fastest when the components of the multisensory signals are simultaneous. This response facilitation is traditionally attributed to multisensory integration. However, it is unclear if facilitation of RTs occurs when stimuli are perceived as synchronous or are actually physically synchronous...
November 21, 2016: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/27870699/resistance-training-alters-the-proportion-of-skeletal-muscle-fibers-but-not-brain-neurotrophic-factors-in-young-adult-rats
#6
José Antonio-Santos, Diórginis José S Ferreira, Gizelle L Gomes Costa, Rhowena Jane B Matos, Ana E Toscano, Raul Manhães-de-Castro, Carol G Leandro
Antonio-Santos, J, Ferreira, DJS, Gomes Costa, GL, Matos, RJB, Toscano, AE, Manhães-de-Castro, R, and Leandro, CG. Resistance training alters the proportion of skeletal muscle fibers but not brain neurotrophic factors in young adult rats. J Strength Cond Res 30(12): 3531-3538, 2016-Resistance training (RT) is related to improved muscular strength and power output. Different programs of RT for rats have been developed, but peripheral and central response has not been evaluated directly in the same animal. To test the hypothesis that RT induces central and peripheral adaptations, this study evaluated the effects of a RT on the performance of a weekly maximum overload test, fiber-type typology, and brain neurotrophic factors in young adult rats...
December 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27869096/predictive-factor-analysis-of-response-adapted-radiation-therapy-for-chemotherapy-sensitive-pediatric-hodgkin-lymphoma-analysis-of-the-children-s-oncology-group-ahod-0031-trial
#7
Anne-Marie Charpentier, Debra L Friedman, Suzanne Wolden, Cindy Schwartz, Bethany Gill, Jenna Sykes, Alisha Albert-Green, Kara M Kelly, Louis S Constine, David C Hodgson
PURPOSE: To evaluate whether clinical risk factors could further distinguish children with intermediate-risk Hodgkin lymphoma (HL) with rapid early and complete anatomic response (RER/CR) who benefit significantly from involved-field RT (IFRT) from those who do not, and thereby aid refinement of treatment selection. METHODS AND MATERIALS: Children with intermediate-risk HL treated on the Children's Oncology Group AHOD 0031 trial who achieved RER/CR with 4 cycles of chemotherapy, and who were randomized to 21-Gy IFRT or no additional therapy (n=716) were the subject of this study...
December 1, 2016: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/27864040/study-of-circadian-rhythmicity-of-physiological-response-and-skin-temperature-of-sheep-during-summer-and-winter-in-semi-arid-tropical-environment
#8
Kalyan De, Davendra Kumar, Vijay Kumar Saxena, Syed Mohammed Khursheed Naqvi
The present study aimed to evaluate the circadian rhythmicity of some physiological variables, including rectal temperature (RT), respiration rate (RR), heart rate (HR) and skin temperature (ST) in sheep during the summer and winter in semi-arid tropical environment. Eight Malpura rams of 3-4year of age with an average body weight of 37.1±1.99kg were selected for the study. All the animals were fed individually for a maintenance requirement on a body weight basis. The RT, RR, HR and ST values were measured in each animal at 3hour intervals for 24 consecutive hours...
November 15, 2016: Physiology & Behavior
https://www.readbyqxmd.com/read/27857692/endurance-training-intensity-does-not-mediate-interference-to-maximal-lower-body-strength-gain-during-short-term-concurrent-training
#9
Jackson J Fyfe, Jonathan D Bartlett, Erik D Hanson, Nigel K Stepto, David J Bishop
We determined the effect of concurrent training incorporating either high-intensity interval training (HIT) or moderate-intensity continuous training (MICT) on maximal strength, counter-movement jump (CMJ) performance, and body composition adaptations, compared with single-mode resistance training (RT). Twenty-three recreationally-active males (mean ± SD: age, 29.6 ± 5.5 y; [Formula: see text], 44 ± 11 mL kg(-1)·min(-1)) underwent 8 weeks (3 sessions·wk(-1)) of either: (1) HIT combined with RT (HIT+RT group, n = 8), (2) work-matched MICT combined with RT (MICT+RT group, n = 7), or (3) RT performed alone (RT group, n = 8)...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27854444/the-role-of-rt-carry-over-for-congruence-sequence-effects-in-masked-priming
#10
Christoph Huber-Huber, Ulrich Ansorge
The present study disentangles 2 sources of the congruence sequence effect with masked primes: congruence and response time of the previous trial (reaction time [RT] carry-over). Using arrows as primes and targets and a metacontrast masking procedure we found congruence as well as congruence sequence effects. In addition, congruence sequence effects decreased when RT carry-over was accounted for in a mixed model analysis, suggesting that RT carry-over contributes to congruence sequence effects in masked priming...
November 17, 2016: Journal of Experimental Psychology. Learning, Memory, and Cognition
https://www.readbyqxmd.com/read/27853974/isolation-and-characterization-of-lcsap-a-leymus-chinensis-gene-which-enhances-the-salinity-tolerance-of-saccharomyces-cerevisiae
#11
Jingying Liu, Xiangna Yang, Xizhe Yang, Mingyue Xu, Jie Liu, Mengmeng Xue, Pengda Ma
A number of members of the SAP ("stress-associated protein") gene family have been implicated in the plant stress response. Here, a SAP gene has been isolated using PCR RACE from the perennial grass Leymus chinensis, a species which has reputation for ecological adaptability. The 17.6 kDa LcSAP product comprised 161 residues, including both an A20 domain and an AN1 domain, a feature of type I SAPs. Using a semi-quantitative RT-PCR assay to profile its transcription, it was shown that LcSAP was more strongly transcribed in the leaf than in the root under control conditions...
November 16, 2016: Molecular Biology Reports
https://www.readbyqxmd.com/read/27851668/instability-resistance-training-improves-neuromuscular-outcome-in-parkinson-s-disease
#12
Carla Silva-Batista, Daniel Montie Corcos, Renato Barroso, Fabian J David, Hélcio Kanegusuku, Cláudia Forjaz, Marco Túlio de Mello, Hamilton Roschel, Valmor Tricoli, Carlos Ugrinowitsch
PURPOSE: This study compared the effects of resistance training (RT) and resistance training with instability (RTI) on neuromuscular and total training volume (TTV) outcomes obtained as part of the Instability Resistance Training Trial in Parkinson's disease (IRRT-PD). It also used a linear multiple regression (forward stepwise method) to identify the contribution of neuromuscular outcomes to previously published improvements in the timed-up-and-go-test and the Unified Parkinson's Disease Rating Scale, motor subscale score (UPDRS-III)...
November 16, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27847482/the-effect-of-aging-on-the-dynamics-of-reactive-and-proactive-cognitive-control-of-response-interference
#13
Ling Xiang, Baoqiang Zhang, Baoxi Wang, Jun Jiang, Fenghua Zhang, Zhujing Hu
A prime-target interference task was used to investigate the effects of cognitive aging on reactive and proactive control after eliminating frequency confounds and feature repetitions from the cognitive control measures. We used distributional analyses to explore the dynamics of the two control functions by distinguishing the strength of incorrect response capture and the efficiency of suppression control. For reactive control, within-trial conflict control and between-trial conflict adaption were analyzed...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27843418/effects-of-acute-carbohydrate-ingestion-on-anaerobic-exercise-performance
#14
Ben M Krings, Jaden A Rountree, Matthew J McAllister, Patrick M Cummings, Timothy J Peterson, Brent J Fountain, JohnEric W Smith
BACKGROUND: Carbohydrate (CHO) supplementation during endurance exercises has been shown to increase performance, but there is limited research with CHO supplementation during strength and conditioning exercises. Therefore, the purpose of this study was to examine the effects of various levels of CHO ingestion during acute testing sessions requiring participants to complete a strength and conditioning program designed for collegiate athletes. METHODS: Participants (n = 7) performed a series of exercises while ingesting an amino-acid electrolyte control (CON) or CON plus varying levels of CHO...
2016: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/27842489/a-novel-phase-variant-of-the-cholera-pathogen-shows-stress-adaptive-cryptic-transcriptomic-signatures
#15
Bliss Lambert, Maheshi Dassanayake, Dong-Ha Oh, Shana B Garrett, Sang-Yeol Lee, Gregg S Pettis
BACKGROUND: In a process known as phase variation, the marine bacterium and cholera pathogen Vibrio cholerae alternately expresses smooth or rugose colonial phenotypes, the latter being associated with advanced biofilm architecture and greater resistance to ecological stress. To define phase variation at the transcriptomic level in pandemic V. cholerae O1 El Tor strain N16961, we compared the RNA-seq-derived transcriptomes among the smooth parent N16961, its rugose derivative (N16961R) and a smooth form obtained directly from the rugose at high frequencies consistent with phase variation (N16961SD)...
November 14, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27834290/altered-muscle-satellite-cell-activation-following-16-weeks-of-resistance-training-in-young-men
#16
Joshua P Nederveen, Tim Snijders, Sophie Joanisse, Christopher G Wavell, Cameron J Mitchell, Leeann M Johnston, Steven K Baker, Stuart M Phillips, Gianni Parise
Skeletal muscle satellite cells (SC) play an important role in muscle adaptation. In untrained individuals, SC content and activation status has been observed to increase in response to a single bout of exercise. Muscle fiber characteristics change considerably when resistance exercise is performed chronically, but whether training status affects the activity of SC in response to a single bout of exercise remains unknown. We examined the changes in SC content and activation status following a single bout of resistance exercise, prior to and following a 16wk progressive resistance training (RT) program in fourteen young (25±3yr) men...
November 9, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/27830872/cloning-and-expression-of-cirp-in-domestic-yak-bos-grunniens
#17
Kun Yang, Qian Zhang, Zexing Wen, Yangyang Pan, Sijiu Yu, Junfeng He, Xue Yang, Penggang Liu, Yan Cui
Cold-inducible RNA binding protein (CIRP) is over expressed during cold and many other stresses, and could regulate the adaptation to hypothermia. In the present investigation, the objective was to determine the expression of CIRP in adult yak heart, liver, spleen, lung, kidney, brain, ovary, testis and skin by relative quantitative real time polymerase chain reaction (RT-PCR), western blot (WB) and immunohistochemistry (IHC) from mRNA and protein levels. The CIRP ORF (open reading frame) encoding was cloned from the domestic yak brain...
November 10, 2016: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/27830194/effect-of-high-fat-diet-on-pulmonary-expression-of-parathyroid-hormone-related-protein-and-its-downstream-targets
#18
Learta Oruqaj, Svenja Forst, Rolf Schreckenberg, Javier Inserte, Marcos Poncelas, Jordi Bañeras, David Garcia-Dorado, Susanne Rohrbach, Klaus-Dieter Schlüter
AIMS: Parathyroid hormone-related protein (PTHrP) is involved in lung development and surfactant production. The latter one requires a paracrine interaction between type II alveolar cells and lipofibroblasts in which leptin triggers PTHrP-induced effects. Whether increased plasma leptin levels, as they occur in high fat diet, modify the expression of PTHrP remains unclear. Furthermore, the effect of high fat diet under conditions of forced pulmonary remodelling such as response to post myocardial infarction remains to be defined...
October 2016: Heliyon
https://www.readbyqxmd.com/read/27829062/early-and-non-invasive-detection-of-chronic-wasting-disease-prions-in-elk-feces-by-real-time-quaking-induced-conversion
#19
Yo Ching Cheng, Samia Hannaoui, Theodore R John, Sandor Dudas, Stefanie Czub, Sabine Gilch
Chronic wasting disease (CWD) is a fatal prion disease of wild and captive cervids in North America. Prions are infectious agents composed of a misfolded version of a host-encoded protein, termed PrPSc. Infected cervids excrete and secrete prions, contributing to lateral transmission. Geographical distribution is expanding and case numbers in wild cervids are increasing. Recently, the first European cases of CWD have been reported in a wild reindeer and two moose from Norway. Therefore, methods to detect the infection early in the incubation time using easily available samples are desirable to facilitate effective disease management...
2016: PloS One
https://www.readbyqxmd.com/read/27824725/68ga-vacuum-elution-approach-for-direct-radiolabelling-of-dota-conjugated-and-nodaga-conjugated-peptides
#20
Rana Ben Azzouna, Sébastien Leygnac, Faisal Al-Shoukr, François Rouzet, Denis Guilloteau, Dominique Le Guludec
BACKGROUND/OBJECTIVES: The Ge/Ga generator is of increasing interest for clinical PET. The arrival on the market of the pharmaceutical-grade generator, which provides an eluate with chemical and radiochemical purities in conformity with the European Pharmacopeia specifications, makes the direct labelling of vectors possible. The kit formulation strategies using single vial productions can improve the access of hospitals and imaging centres that are not equipped with costly automated synthesis modules to the Ga-radiopharmaceutical production...
January 2017: Nuclear Medicine Communications
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