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https://www.readbyqxmd.com/read/27933560/familiarity-increases-the-number-of-remembered-pok%C3%A3-mon-in-visual-short-term-memory
#1
Weizhen Xie, Weiwei Zhang
Long-term memory (LTM) can influence many aspects of short-term memory (STM), including increased STM span. However, it is unclear whether LTM enhances the quantitative or qualitative aspect of STM. That is, do we retain a larger number of representations or more precise representations in STM for familiar stimuli than unfamiliar stimuli? This study took advantage of participants' prior rich multimedia experience with Pokémon, without investing on laboratory training to examine how prior LTM influenced visual STM...
December 8, 2016: Memory & Cognition
https://www.readbyqxmd.com/read/27933489/patients-understanding-and-use-of-analgesia-for-postnatal-pain-following-hospital-discharge
#2
Antonia M W Wong, Syed Tabish R Zaidi
Background Postnatal pain is one of the limiting factors in the recovery of women from child birth. Despite the routine prescribing of analgesics for postnatal pain, limited research is available on the use of analgesics by the women in postnatal period. Objective To measure the utilisation and effectiveness of prescribed oral analgesics, the incidence and severity of pain, and factors associated with poor pain control on the fifth-day post-hospital discharge in postnatal women. Setting A tertiary referral women's hospital of Western Australia...
December 9, 2016: International Journal of Clinical Pharmacy
https://www.readbyqxmd.com/read/27933452/responses-of-tropical-legumes-from-the-brazilian-atlantic-rainforest-to-simulated-acid-rain
#3
Guilherme C Andrade, Luzimar C Silva
We investigated the morphological and anatomical effects of simulated acid rain on leaves of two species native to the Brazilian Atlantic Rainforest: Paubrasilia echinata and Libidibia ferrea var. leiostachya. Saplings were subjected to acid rain in a simulation chamber during 10 days for 15 min daily, using H2SO4 solution pH 3.0 and, in the control, deionized water. At the end of the experiment, fragments from young and expanding leaves were anatomically analyzed. Although L. ferrea var. leiostachya leaves are more hydrophobic, rain droplets remained in contact with them for a longer time, as in the hydrophilic P...
December 8, 2016: Protoplasma
https://www.readbyqxmd.com/read/27933070/transcriptional-responses-in-root-and-leaf-of-prunus-persica-under-drought-stress-using-rna-sequencing
#4
Najla Ksouri, Sergio Jiménez, Christina E Wells, Bruno Contreras-Moreira, Yolanda Gogorcena
Prunus persica L. Batsch, or peach, is one of the most important crops and it is widely established in irrigated arid and semi-arid regions. However, due to variations in the climate and the increased aridity, drought has become a major constraint, causing crop losses worldwide. The use of drought-tolerant rootstocks in modern fruit production appears to be a useful method of alleviating water deficit problems. However, the transcriptomic variation and the major molecular mechanisms that underlie the adaptation of drought-tolerant rootstocks to water shortage remain unclear...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27932865/statistical-modeling-methods-to-analyze-the-impacts-of-multiunit-process-variability-on-critical-quality-attributes-of-chinese-herbal-medicine-tablets
#5
Fei Sun, Bing Xu, Yi Zhang, Shengyun Dai, Chan Yang, Xianglong Cui, Xinyuan Shi, Yanjiang Qiao
The quality of Chinese herbal medicine tablets suffers from batch-to-batch variability due to a lack of manufacturing process understanding. In this paper, the Panax notoginseng saponins (PNS) immediate release tablet was taken as the research subject. By defining the dissolution of five active pharmaceutical ingredients and the tablet tensile strength as critical quality attributes (CQAs), influences of both the manipulated process parameters introduced by an orthogonal experiment design and the intermediate granules' properties on the CQAs were fully investigated by different chemometric methods, such as the partial least squares, the orthogonal projection to latent structures, and the multiblock partial least squares (MBPLS)...
2016: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/27932672/a-led-based-phosphorimeter-for-measurement-of-microcirculatory-oxygen-pressure
#6
Philippe Guerci, Yasin Ince, Paul Heeman, Dirk J Faber, Bulent Ergin, Can Ince
Quantitative measurements of microcirculatory and tissue oxygenation are of prime importance in experimental research. Non-invasive time-resolved quenching of phosphorescence has given further insight into the fundamental mechanisms of oxygen transport to healthy tissues and in models of disease. Phosphorimeters are devices dedicated to the study of phosphorescence quenching. The experimental applications of phosphorimeters range from measuring a specific oxygen partial pressure (PO2) in cellular organelles such as mitochondria, finding values of PO2 distributed over an organ or capillaries, to measuring microcirculatory PO2 changes simultaneously in several organ systems...
December 8, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27932551/antigen-unmasking-enhances-visualization-efficacy-of-the-oocyte-activation-factor-phospholipase-c-zeta-in-mammalian-sperm
#7
Junaid Kashir, Luke Buntwal, Michail Nomikos, Brian L Calver, Panagiotis Stamatiadis, Peter Ashley, Vyronia Vassilakopoulou, David Sanders, Paul Knaggs, Evangelia Livaniou, Adnan Bunkheila, Karl Swann, F Anthony Lai
STUDY QUESTION: Is it possible to improve clinical visualization of phospholipase C zeta (PLCζ) as a diagnostic marker of sperm oocyte activation capacity and male fertility? SUMMARY ANSWER: Poor PLCζ visualization efficacy using current protocols may be due to steric or conformational occlusion of native PLCζ, hindering antibody access, and is significantly enhanced using antigen unmasking/retrieval (AUM) protocols. WHAT IS KNOWN ALREADY: Mammalian oocyte activation is mediated via a series of intracellular calcium (Ca(2+)) oscillations induced by sperm-specific PLCζ...
December 8, 2016: Molecular Human Reproduction
https://www.readbyqxmd.com/read/27932548/total-control-of-chromium-in-tanneries-thermal-decomposition-of-filtration-cake-from-enzymatic-hydrolysis-of-chrome-shavings
#8
P Kocurek, K Kolomazník, M Bařinová, J Hendrych
This paper deals with the problem of chromium recovery from chrome-tanned waste and thus with reducing the environmental impact of the leather industry. Chrome-tanned waste was transformed by alkaline enzymatic hydrolysis promoted by magnesium oxide into practically chromium-free, commercially applicable collagen hydrolysate and filtration cake containing a high portion of chromium. The crude and magnesium-deprived chromium cakes were subjected to a process of thermal decomposition at 650°C under oxygen-free conditions to reduce the amount of this waste and to study the effect of magnesium removal on the resulting products...
December 8, 2016: Waste Management & Research
https://www.readbyqxmd.com/read/27932487/mortality-risk-among-workers-with-exposure-to-dioxins
#9
J J Collins, K M Bodner, L L Aylward, T J Bender, S Anteau, M Wilken, C M Bodnar
BACKGROUND: In several studies, dioxin exposure has been associated with increased risk from several causes of death. AIMS: To compare the mortality experience of workers exposed to dioxins during trichlorophenol (TCP) and pentachlorophenol (PCP) production to that of the general population and to examine mortality risk by estimated exposure levels. METHODS: A retrospective cohort study which followed up workers' vital status from 1940 to 2011, with serum surveys to support estimation of historical dioxin exposure levels...
December 7, 2016: Occupational Medicine
https://www.readbyqxmd.com/read/27931903/spatial-compatibility-and-affordance-compatibility-in-patients-with-chronic-schizophrenia
#10
Yu Kume, Fumiyasu Sato, Yuya Hiraoka, Shingo Suzuki, Yoshitsugu Niyama
A deterioration in information-processing performance is commonly recognized in patients with chronic schizophrenia. Although the enhancement of cognitive skills in patients with schizophrenia is important, the types of external stimuli that influence performance have not received much attention. The aim of present study was to clarify the effects of spatial and affordance compatibility in patients with schizophrenia, compared with those in healthy people. The subjects (25 patients with schizophrenia and 25 healthy controls) participated in two experiment examining the effects of the spatial location of stimuli and the action-relevance of objects...
December 2016: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/27931777/effects-of-maternal-separation-on-nicotine-induced-conditioned-place-preference-and-subsequent-learning-and-memory-in-adolescent-female-rats
#11
Fatemeh Delavari, Nouzar Nakhaee, Khadijeh Esmaeilpour, Saeid Esmaeili Mahani, Vahid Sheibani
Adverse early life experiences can potentially increase risk for drug abuse later in life. However, little research has been conducted studying the effects of maternal separation (MS), an experimental model for early life stress, on the rewarding effects of nicotine. Cognitive function may be affected by MS. So, we also investigated whether nicotine administration affect spatial learning and memory in MS adolescent female rats. Rat pups were subjected to daily MS for 15min (MS15) or 180min (MS180) during the first 2 weeks of life or reared under normal animal facility rearing (AFR) conditions...
December 5, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27931197/reaching-the-elderly-understanding-of-health-and-preventive-experiences-for-a-tailored-approach-results-of-a-qualitative-study
#12
Christiane Patzelt, Susanne Heim, Bernhilde Deitermann, Gudrun Theile, Christian Krauth, Eva Hummers-Pradier, Ulla Walter
BACKGROUND: Often preventive measures are not accessed by the people who were intended to be reached. Programs for older adults may target men and women, older adults, advanced old age groups and/or chronically ill patients with specific indications. The defined target groups rarely participate in the conception of programs or in the design of information materials, although this would increase accessibility and participation. In the German "Reaching the Elderly" study (2008-2011), an approach to motivating older adults to participate in a preventive home visit (PHV) program was modified with the participatory involvement of the target groups...
December 8, 2016: BMC Geriatrics
https://www.readbyqxmd.com/read/27930971/losartan-and-dexamethasone-may-inhibit-chemotaxis-to-reduce-the-infiltration-of-th22-cells-in-iga-nephropathy
#13
Chenggen Xiao, Qiaoling Zhou, Xiaozhao Li, Hui Li, Yong Zhong, Ting Meng, Mengyuan Zhu, Hong Sun, Shuang Liu, Rong Tang, Jiaxi Pu, Yan Xu, Ping Xiao
Angiotensin II is considered a major profibrotic factor that is involved in tissue remodeling processes, as the inhibition of Angiotensin II can halt renal inflammatory processes. Dexamethasone, an important anti-inflammatory and immunosuppressive agent, has been widely used to treat renal disease for decades. In this study, we explored the frequency of Th22 cells in a mouse model of IgA nephropathy and compared the possible effects of Losartan and Dexamethasone on Th22 cells. The experiments were performed using 6-week-old BALB/c female mice in an established IgA nephropathy model...
December 5, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27930959/social-support-negative-maltreatment-related-cognitions-and-posttraumatic-stress-symptoms-in-children-and-adolescents
#14
A Münzer, H G Ganser, L Goldbeck
Social support by family, friends and significant others is known to buffer the impact of adverse life events on children's well-being and functioning, however little is known about pathways explaining this association. We investigated whether maltreatment-related cognitions mediate the association between social support and posttraumatic stress symptoms (PTSS). Furthermore, age was introduced as moderator. We assessed the history of maltreatment in 200 maltreated children and adolescents (age 8-17 years) using a semi-structured interview...
December 5, 2016: Child Abuse & Neglect
https://www.readbyqxmd.com/read/27930911/direct-electrical-stimulation-of-the-human-entorhinal-region-and-hippocampus-impairs-memory
#15
Joshua Jacobs, Jonathan Miller, Sang Ah Lee, Tom Coffey, Andrew J Watrous, Michael R Sperling, Ashwini Sharan, Gregory Worrell, Brent Berry, Bradley Lega, Barbara C Jobst, Kathryn Davis, Robert E Gross, Sameer A Sheth, Youssef Ezzyat, Sandhitsu R Das, Joel Stein, Richard Gorniak, Michael J Kahana, Daniel S Rizzuto
Deep brain stimulation (DBS) has shown promise for treating a range of brain disorders and neurological conditions. One recent study showed that DBS in the entorhinal region improved the accuracy of human spatial memory. Based on this line of work, we performed a series of experiments to more fully characterize the effects of DBS in the medial temporal lobe on human memory. Neurosurgical patients with implanted electrodes performed spatial and verbal-episodic memory tasks. During the encoding periods of both tasks, subjects received electrical stimulation at 50 Hz...
December 7, 2016: Neuron
https://www.readbyqxmd.com/read/27930706/do-reported-effects-of-acute-aerobic-exercise-on-subsequent-higher-cognitive-performances-remain-if-tested-against-an-instructed-self-myofascial-release-training-control-group-a-randomized-controlled-trial
#16
Max Oberste, Wilhelm Bloch, Sven T Hübner, Philipp Zimmer
A substantial body of evidence suggests positive effects of acute aerobic exercise (AAE) on subsequent higher cognitive functions in healthy young adults. These effects are widely understood as a result of the ongoing physiological adaptation processes induced by the preceding AAE. However, designs of published studies do not control for placebo, Hawthorne and subject expectancy effects. Therefore, these studies do not, at a high degree of validity, allow attributing effects of AEE on subsequent cognitive performance to exercise induced physical arousal...
2016: PloS One
https://www.readbyqxmd.com/read/27930429/subjective-memory-immediately-following-electroconvulsive-therapy
#17
Ole Brus, Pia Nordanskog, Ullvi Båve, Yang Cao, Åsa Hammar, Mikael Landén, Johan Lundberg, Axel Nordenskjöld
OBJECTIVES: The aims of the present study were to describe the short-term rate of subjective memory worsening (SMW) and identify factors of importance for SMW in a large clinical sample treated for depression with electroconvulsive therapy (ECT). METHODS: This register-based study included 1212 patients from the Swedish National Quality Register for ECT. Subjective memory worsening was defined as a 2-point worsening on the memory item of the Comprehensive Psychopathological Rating Scale from before to within 1 week after treatment...
December 7, 2016: Journal of ECT
https://www.readbyqxmd.com/read/27930294/understanding-the-nature-of-atmospheric-acid-processing-of-mineral-dusts-in-supplying-bioavailable-phosphorus-to-the-oceans
#18
Anthony Stockdale, Michael D Krom, Robert J G Mortimer, Liane G Benning, Kenneth S Carslaw, Ross J Herbert, Zongbo Shi, Stelios Myriokefalitakis, Maria Kanakidou, Athanasios Nenes
Acidification of airborne dust particles can dramatically increase the amount of bioavailable phosphorus (P) deposited on the surface ocean. Experiments were conducted to simulate atmospheric processes and determine the dissolution behavior of P compounds in dust and dust precursor soils. Acid dissolution occurs rapidly (seconds to minutes) and is controlled by the amount of H(+) ions present. For H(+) < 10(-4) mol/g of dust, 1-10% of the total P is dissolved, largely as a result of dissolution of surface-bound forms...
December 7, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27929348/shallow-discounting-of-delayed-cocaine-by-male-rhesus-monkeys-when-immediate-food-is-the-choice-alternative
#19
Sally L Huskinson, Joel Myerson, Leonard Green, James K Rowlett, William L Woolverton, Kevin B Freeman
Huskinson et al. (2015) recently examined delay discounting in monkeys choosing between an immediate drug (cocaine) reinforcer and a delayed nondrug (food) reinforcer. The present experiment examined the reverse situation: choice between immediate nondrug (food) and delayed drug (cocaine) reinforcers. Whereas the former choice situation exemplifies drug abuse from a delay-discounting perspective, our interest in the latter choice situation is derived from the observation that drug abusers, who characteristically are associated with impulsive choice, typically must devote considerable time to procuring drugs, often at the expense of immediate nondrug alternatives...
December 2016: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/27929301/the-dark-side-of-the-sublime-distinguishing-a-threat-based-variant-of-awe
#20
Amie M Gordon, Jennifer E Stellar, Craig L Anderson, Galen D McNeil, Daniel Loew, Dacher Keltner
Theoretical conceptualizations of awe suggest this emotion can be more positive or negative depending on specific appraisal processes. However, the emergent scientific study of awe rarely emphasizes its negative side, classifying it instead as a positive emotion. In the present research we tested whether there is a more negative variant of awe that arises in response to vast, complex stimuli that are threatening (e.g., tornadoes, terrorist attack, wrathful god). We discovered people do experience this type of awe with regularity (Studies 1 & 4) and that it differs from other variants of awe in terms of its underlying appraisals, subjective experience, physiological correlates, and consequences for well-being...
December 8, 2016: Journal of Personality and Social Psychology
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