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https://www.readbyqxmd.com/read/28340375/repetitive-tms-in-right-sensorimotor-areas-affects-the-selection-and-completion-of-contralateral-movements
#1
Maria Gutierrez-Herrera, Styrmir Saevarsson, Thomas Huber, Joachim Hermsdörfer, Waltraud Stadler
Although the existence of directional motor deficits (DMD) associated with movement planning and/or execution seems to be widely recognized, neglect and single cell studies examining their neuroanatomical foundation have produced contradictory and inconclusive findings. The present study assessed the occurrence of DMD following the application of repetitive transcranial magnetic stimulation (rTMS) over two regions, as commonly reported in the neglect literature, namely the right middle frontal gyrus (rMFG) and the right angular gyrus (rAG)...
February 24, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28338502/sellar-atypical-teratoid-rhabdoid-tumor-at-rt-a-clinicopathologically-and-genetically-distinct-variant-of-at-rt
#2
Satoshi Nakata, Sumihito Nobusawa, Takanori Hirose, Shinji Ito, Naoko Inoshita, Shunsuke Ichi, Vishwa J Amatya, Yukio Takeshima, Kazuhiko Sugiyama, Yukihiko Sonoda, Hironori Haga, Junko Hirato, Yoichi Nakazato, Hideaki Yokoo
Atypical teratoid/rhabdoid tumors (AT/RTs) are rare aggressive tumors of the central nervous system that predominantly affect infants. Although adult AT/RT are rare, accumulated cases have revealed adult-specific AT/RT in the sellar region. Twelve previously reported cases of sellar AT/RT exclusively occurred in adult females, suggesting biological differences from conventional infant AT/RT. We herein investigated a series of 6 sellar AT/RT for histopathologic features, the molecular status of the INI1/SMARCB1 gene, and clinical courses...
March 23, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28337635/measurement-of-bovine-body-and-scrotal-temperature-using-implanted-temperature-sensitive-radio-transmitters-data-loggers-and-infrared-thermography
#3
A L Wallage, J B Gaughan, A T Lisle, L Beard, C W Collins, S D Johnston
Synchronous and continuous measurement of body (BT) and scrotal temperature (ST) without adverse welfare or behavioural interference is essential for understanding thermoregulation of the bull testis. This study compared three technologies for their efficacy for long-term measurement of the relationship between BT and ST by means of (1) temperature sensitive radio transmitters (RT), (2) data loggers (DL) and (3) infrared imaging (IRI). After an initial pilot study on two bulls to establish a surgical protocol, RTs and DLs were implanted into the flank and mid-scrotum of six Wagyu bulls for between 29 and 49 days...
March 23, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28337135/deficits-in-letter-speech-sound-associations-but-intact-visual-conflict-processing-in-dyslexia-results-from-a-novel-erp-paradigm
#4
Sarolta Bakos, Karin Landerl, Jürgen Bartling, Gerd Schulte-Körne, Kristina Moll
The reading and spelling deficits characteristic of developmental dyslexia (dyslexia) have been related to problems in phonological processing and in learning associations between letters and speech-sounds. Even when children with dyslexia have learned the letters and their corresponding speech sounds, letter-speech sound associations might still be less automatized compared to children with age-adequate literacy skills. In order to examine automaticity in letter-speech sound associations and to overcome some of the disadvantages associated with the frequently used visual-auditory oddball paradigm, we developed a novel electrophysiological letter-speech sound interference paradigm...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28335990/trial-type-mixing-substantially-reduces-the-response-set-effect-in-the-stroop-task
#5
Nabil Hasshim, Benjamin A Parris
The response set effect refers to the finding that an irrelevant incongruent colour-word produces greater interference when it is one of the response options (referred to as a response set trial), compared to when it is not (a non-response set trial). Despite being a key effect for models of selective attention, the magnitude of the effect varies considerably across studies. We report two within-subjects experiments that tested the hypothesis that presentation format modulates the magnitude of the response set effect...
March 20, 2017: Acta Psychologica
https://www.readbyqxmd.com/read/28335725/surface-layer-proteins-from-virulent-clostridium-difficile-ribotypes-exhibit-signatures-of-positive-selection-with-consequences-for-innate-immune-response
#6
Mark Lynch, Thomas A Walsh, Izabela Marszalowska, Andrew E Webb, Micheál MacAogain, Thomas R Rogers, Henry Windle, Dermot Kelleher, Mary J O'Connell, Christine E Loscher
BACKGROUND: Clostridium difficile is a nosocomial pathogen prevalent in hospitals worldwide and increasingly common in the community. Sequence differences have been shown to be present in the Surface Layer Proteins (SLPs) from different C. difficile ribotypes (RT) however whether these differences influence severity of infection is still not clear. RESULTS: We used a molecular evolutionary approach to analyse SLPs from twenty-six C. difficile RTs representing different slpA sequences...
March 23, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28334941/rna-protein-interactions-govern-antiviral-specificity-and-encapsidation-of-broad-spectrum-anti-hiv-reverse-transcriptase-aptamers
#7
Margaret J Lange, Phuong D M Nguyen, Mackenzie K Callaway, Marc C Johnson, Donald H Burke
RNA aptamers that bind HIV-1 reverse transcriptase (RT) inhibit HIV-1 replication, but little is known about potential aptamer-specific viral resistance. During replication, RT interacts with diverse nucleic acids. Thus, the genetic threshold for eliciting resistance may be high for aptamers that make numerous contacts with RT. To evaluate the impact of RT-aptamer binding specificity on replication, we engineered proviral plasmids encoding diverse RTs within the backbone of HIV-1 strain NL4-3. Viruses inhibited by pseudoknot aptamers were rendered insensitive by a naturally occurring R277K variant, providing the first demonstration of aptamer-specific resistance in cell culture...
March 6, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28333133/fidelity-of-classwide-resistant-hiv-2-reverse-transcriptase-and-differential-contribution-of-k65r-to-the-accuracy-of-hiv-1-and-hiv-2-reverse-transcriptases
#8
Mar Álvarez, Alba Sebastián-Martín, Guillermo García-Marquina, Luis Menéndez-Arias
Nucleoside reverse transcriptase (RT) inhibitors constitute the backbone of current therapies against human immunodeficiency virus type 1 and type 2 (HIV-1 and HIV-2, respectively). However, mutational pathways leading to the development of nucleoside analogue resistance are different in both types of HIV. In HIV-2, resistance to all approved nucleoside analogues is conferred by the combination of RT substitutions K65R, Q151M and M184V. Nucleotide incorporation kinetic analyses of mutant and wild-type (WT) HIV-2 RTs show that the triple-mutant has decreased catalytic efficiency due to the presence of M184V...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28325273/length-of-time-between-surgery-and-return-to-sport-after-ulnar-collateral-ligament-reconstruction-in-major-league-baseball-pitchers-does-not-predict-need-for-revision-surgery
#9
Brandon J Erickson, Peter N Chalmers, Bernard R Bach, Joshua S Dines, Nikhil N Verma, Charles A Bush-Joseph, Steven B Cohen, Anthony A Romeo
HYPOTHESIS: Pitchers who return to sport (RTS) sooner will have a higher risk of revision ulnar collateral ligament reconstruction (UCLR) than those who return later. METHODS: All professional (major and minor league) baseball pitchers who underwent UCLR between 1974 and 2016 were identified. Date of the index UCLR was recorded. The date of the first game back at any professional level after surgery and the date the pitcher returned to the same level of play (if applicable) were recorded...
April 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28321187/steps-to-health-in-cognitive-aging-effects-of-physical-activity-on-spatial-attention-and-executive-control-in-the-elderly
#10
Giancarlo Condello, Roberta Forte, Simone Falbo, John B Shea, Angela Di Baldassarre, Laura Capranica, Caterina Pesce
The purpose of this study was to investigate whether physical activity (PA) habits may positively impact performance of the orienting and executive control networks in community-dwelling aging individuals and diabetics, who are at risk of cognitive dysfunction. To this aim, we tested cross-sectionally whether age, ranging from late middle-age to old adulthood, and PA level independently or interactively predict different facets of the attentional performance. Hundred and thirty female and male individuals and 22 adults with type 2 diabetes aged 55-84 years were recruited and their daily PA (steps) was objectively measured by means of armband monitors...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28301606/usefulness-of-bone-scintigraphy-for-the-diagnosis-of-complex-regional-pain-syndrome-1-a-systematic-review-and-bayesian-meta-analysis
#11
Maria M Wertli, Florian Brunner, Johann Steurer, Ulrike Held
BACKGROUND: Since 2007, the Budapest criteria are recommended for the diagnosis of Complex Regional Pain Syndrome (CRPS) 1. The usefulness of bone scintigraphy (BS, index test) for the diagnosis of CRPS 1 remains controversial. Imperfect reference tests (RT) result in underestimation of the diagnostic accuracy of BS. Further, biased results can occur when a dependency between the RT and BS exists. The objective was to assess the impact of different RTs, specifically the Budapest criteria, and the assumed imperfect nature of the RT on the diagnostic accuracy of BS...
2017: PloS One
https://www.readbyqxmd.com/read/28299598/the-costs-of-target-prioritization-and-the-external-requirements-for-using-a-recall-to-reject-strategy-in-memory-exclusion-tasks-a-meta-analysis
#12
Timm Rosburg, Axel Mecklinger
In event-related potential (ERP) studies, the left-parietal old/new effect is commonly considered as a neural correlate of recollection. In memory exclusion tasks, the effect is usually observed when the targeted information is identified, but it is not necessarily present when studied items are rejected as nontargets. Interestingly, both the presence and the absence of such old/new effects to nontargets have been regarded as indicator for strategic retrieval. We reviewed previous ERP studies using memory exclusion tasks to analyze the reaction time (RT) pattern in such studies, as well as the influence of task difficulty on the occurrence of nontarget retrieval...
March 15, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/28298690/quality-attributes-phytochemical-profile-and-storage-stability-studies-of-functional-ready-to-serve-rts-drink-made-from-blend-of-aloe-vera-sweet-lime-amla-and-ginger
#13
Lokesh K Mishra, Danme Sangma
Aloe vera based RTS formulation was prepared in this study which provides the health benefits of this wonder plant and was also appealing in terms of sensory qualities. In the present study four formulations of A. vera RTS drink with ginger, sweet lime and amla (V1, V2, V3 and V4 were developed). The developed products were subjected to physico-chemical, organoleptic and microbial analysis. The formulation V3 was found to be the most preferred variant with respect to the sensory quality. Further the blends were found to be a good source of vitamin C and other nutritional parameters...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28294975/reverse-transcription-in-the-saccharomyces-cerevisiae-long-terminal-repeat-retrotransposon-ty3
#14
REVIEW
Jason W Rausch, Jennifer T Miller, Stuart F J Le Grice
Converting the single-stranded retroviral RNA into integration-competent double-stranded DNA is achieved through a multi-step process mediated by the virus-coded reverse transcriptase (RT). With the exception that it is restricted to an intracellular life cycle, replication of the Saccharomyces cerevisiae long terminal repeat (LTR)-retrotransposon Ty3 genome is guided by equivalent events that, while generally similar, show many unique and subtle differences relative to the retroviral counterparts. Until only recently, our knowledge of RT structure and function was guided by a vast body of literature on the human immunodeficiency virus (HIV) enzyme...
March 15, 2017: Viruses
https://www.readbyqxmd.com/read/28294717/preparatory-encoding-of-the-fine-scale-of-human-spatial-attention
#15
Bradley Voytek, Jason Samaha, Camarin E Rolle, Zachery Greenberg, Navdeep Gill, Shai Porat, Tahim Kader, Sabahat Rahman, Rick Malzyner, Adam Gazzaley
Our attentional focus is constantly shifting: In one moment, our attention may be intently concentrated on a specific spot, whereas in another moment we might spread our attention more broadly. Although much is known about the mechanisms by which we shift our visual attention from place to place, relatively little is known about how we shift the aperture of attention from more narrowly to more broadly focused. Here we introduce a novel attentional distribution task to examine the neural mechanisms underlying this process...
March 15, 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28294716/cortical-networks-involved-in-memory-for-temporal-order
#16
Anna Manelis, Vencislav Popov, Christopher Paynter, Matthew Walsh, Mark E Wheeler, Keith M Vogt, Lynne M Reder
We examined the neurobiological basis of temporal resetting, an aspect of temporal order memory, using a version of the delayed-match-to-multiple-sample task. While in an fMRI scanner, participants evaluated whether an item was novel or whether it had appeared before or after a reset event that signified the start of a new block of trials. Participants responded "old" to items that were repeated within the current block and "new" to both novel items and items that had last appeared before the reset event (pseudonew items)...
March 15, 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28294712/frequency-and-chunking-in-derived-words-a-parametric-fmri-study
#17
Alice Blumenthal-Dramé, Volkmar Glauche, Tobias Bormann, Cornelius Weiller, Mariacristina Musso, Bernd Kortmann
In usage-based linguistic theories, the assumption that high-frequency language strings are mentally represented as unitary chunks has been invoked to account for a wide range of phenomena. However, neurocognitive evidence in support of this assumption is still lacking. In line with Gestalt psychological assumptions, we propose that a language string qualifies as a chunk if the following two conditions are simultaneously satisfied: The perception of the whole string does not involve strong activation of its individual component parts, but the component parts in isolation strongly evoke the whole...
March 15, 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28287796/-multisensory-brand-search-how-the-meaning-of-sounds-guides-consumers-visual-attention-correction-to-knoeferle-et-al-2016
#18
(no author information available yet)
Reports an error in "Multisensory brand search: How the meaning of sounds guides consumers' visual attention" by Klemens M. Knoeferle, Pia Knoeferle, Carlos Velasco and Charles Spence (Journal of Experimental Psychology: Applied, 2016[Jun], Vol 22[2], 196-210). In the article, under Experiment 2, Design and Stimuli, the set number of target products and visual distractors reported in the second paragraph should be 20 and 13, respectively: "On each trial, the 16 products shown in the display were randomly selected from a set of 20 products belonging to different categories...
March 2017: Journal of Experimental Psychology. Applied
https://www.readbyqxmd.com/read/28286838/worthing-physiological-score-vs-revised-trauma-score-in-outcome-prediction-of-trauma-patients-a-comparative-study
#19
Babak Nakhjavan-Shahraki, Mahmoud Yousefifard, Mohammad Javad Hajighanbari, Parviz Karimi, Masoud Baikpour, Jalaledin Mirzay Razaz, Mehdi Yaseri, Kavous Shahsavari, Fatemeh Mahdizadeh, Mostafa Hosseini
INTRODUCTION: Awareness about the outcome of trauma patients in the emergency department (ED) has become a topic of interest. Accordingly, the present study aimed to compare the rapid trauma score (RTS) and worthing physiological scoring system (WPSS) in predicting in-hospital mortality and poor outcome of trauma patients. METHODS: In this comparative study trauma patients brought to five EDs in different cities of Iran during the year 2016 were included. After data collection, discriminatory power and calibration of the models were assessed and compared using STATA 11...
2017: Emergency (Tehran, Iran)
https://www.readbyqxmd.com/read/28283009/-production-and-molecular-characterization-of-plasmodium-falciparum-recombinant-circumsporozoite-protein-with-37-nanp-and-4-nvdp-epitopes
#20
Yunus Uyar, Abdüssamed Akşit, Serkan Karaca, Şirin Sahra Ceylan, Merve Yürük
Malaria is caused by the protozoan parasite Plasmodium, the leading cause of death amongst the parasitic diseases. The disease is transmitted to human by the bites of female Anopheles mosquitoes. According to the World Health Organization (WHO) data, there were an estimated 214 million malaria cases and estimated 438.000 deaths occurred worldwide, in 2015. It is observed that 90% of all the deaths due to malaria occur in Africa. 78% of these cases were children who are under five years old. Intensive malaria interventions helped to reduce malaria incidence by 37% between 2000 and 2015...
January 2017: Mikrobiyoloji Bülteni
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