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01:37 EDT 25th May 2018 | BioPortfolio

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Showing "BERNARD KRIEF SEARCH" PubMed Articles 1–25 of 1,800+

Louis Pasteur and Claude Bernard: about a posthumous controversy.

Claude Bernard and Louis Pasteur will meet on various occasions, scientific prizes were awarded by Claude Bernard to Louis Pasteur, Claude Bernard's lessons were followed by Louis Pasteur at the Faculty of Science or at the College de France, and friendly relationship were established. But the essential lies in a posthumous controversy where Claude Bernard, denying the role of microbes in the fermentation, seems to criticize Pasteur's assertions and, later, his method and vision. We shall report here the ex...

A point mutation in Phe71Ser in glycoprotein IX as a genetic cause of Bernard-Soulier syndrome: case report.

We need to be aware of rare causes of persistent thrombocytopenia as Bernard-Soulier syndrome (BSS). When BSS is suspected based on family history and giant platelets, genetic test for mutations of GPIbIXV is necessary. Management varies once you recognize the cause. Platelets transfusion and antifibrinolytics are the mainstay of therapy.

Claude Bernard - then and now.

The early life of Claude Bernard - dreamer and frustrated playwright - reveals no indication of his future scientific aptitude. Cartesian doubt, a principle that he would adhere to lifelong, clouded a failed pharmacy apprenticeship that led to medical studies in Paris - but without great success. Research was his only aim, it was made possible only by a lucrative but unsuccessful arranged marriage. His passion for work and over-riding principles of truth and proof would ultimately allow him to stand...

More than a memory: Confirmatory visual search is not caused by remembering a visual feature.

Previous research has demonstrated a preference for positive over negative information in visual search; asking whether a target object is green biases search towards green objects, even when this entails more perceptual processing than searching non-green objects. The present study investigated whether this confirmatory search bias is due to the presence of one particular (e.g., green) color in memory during search. Across two experiments, we show that this is not the critical factor in generating a confir...

Where to search top-K biomedical ontologies?

Searching for precise terms and terminological definitions in the biomedical data space is problematic, as researchers find overlapping, closely related and even equivalent concepts in a single or multiple ontologies. Search engines that retrieve ontological resources often suggest an extensive list of search results for a given input term, which leads to the tedious task of selecting the best-fit ontological resource (class or property) for the input term and reduces user confidence in the retrieval engine...

Remembering a pioneer of environmental health science: Colleagues honor Bernard "Bernie" Weiss (1925-2018)-a remarkable scientist, thinker, visionary and writer.

Claude Bernard and nicotinic receptors: from the neuromuscular junction to tobacco weaning.

Claude Bernard (1813-1878) was fascinated by the pharmacological mechanisms of poisons. In particular, using a huge amount of ingenious and robust experiments, he demonstrated the peripheral toxic action of the natural compound curare. His work generated controversies in a period where scientific methodology and technical development followed the progression of concepts and ideas. From his intense debates with Albert Vulpian emerged the location of curare's toxicity at the neuromuscular junction. These two ...

Surface-Assisted Dynamic Search Processes.

Many chemical and biological systems exhibit intermittent search phenomena when participating particles alternate between dynamic regimes with different dimensionality. Here we investigate theoretically a dynamic search process of finding a small target at two dimensional surface starting from the bulk solution, which is an example of such intermittent search process. Both continuum and discrete-state stochastic descriptions are developed. It is found that depending on the scanning length $\lambda$, which d...

Applicability of internet search index for asthma admission forecast using machine learning.

This study aimed to determine whether a search index could provide insight into trends in asthma admission in China. An Internet search index is a powerful tool to monitor and predict epidemic outbreaks. However, whether using an internet search index can significantly improve asthma admissions forecasts remains unknown. The long-term goal is to develop a surveillance system to help early detection and interventions for asthma and to avoid asthma health care resource shortages in advance.

Prior knowledge of category size impacts visual search.

Prior research has shown that category search can be similar to one-item search (as measured by the N2pc ERP marker of attentional selection) for highly familiar, smaller categories (e.g., letters and numbers) because the finite set of items in a category can be grouped into one unit to guide search. Other studies have shown that larger, more broadly defined categories (e.g., healthy food) also can elicit N2pc components during category search, but the amplitude of these components is typically attenuated. ...

Involuntary top-down control by search-irrelevant features: Visual working memory biases attention in an object-based manner.

Many everyday tasks involve successive visual-search episodes with changing targets. Converging evidence suggests that these targets are retained in visual working memory (VWM) and bias attention from there. It is unknown whether all or only search-relevant features of a VWM template bias attention during search. Bias signals might be configured exclusively to task-relevant features so that only search-relevant features bias attention. Alternatively, VWM might maintain objects in the form of bound features....

Sweet Emotion: The Role of Odor-induced Context in the Search Advantage for Happy Facial Expressions.

The current study investigated the extent to which the concurrent presentation of pleasant and unpleasant odors could modulate the perceptual saliency of happy facial expressions in an emotional visual search task. Whilst a search advantage for happy faces was found in the no odor and unpleasant odor conditions, it was abolished under the pleasant odor condition. Furthermore, phasic properties of visual search performance revealed the malleable nature of this happiness advantage. Specifically, attention tow...

mTM-align: a server for fast protein structure database search and multiple protein structure alignment.

With the rapid increase of the number of protein structures in the Protein Data Bank, it becomes urgent to develop algorithms for efficient protein structure comparisons. In this article, we present the mTM-align server, which consists of two closely related modules: one for structure database search and the other for multiple structure alignment. The database search is speeded up based on a heuristic algorithm and a hierarchical organization of the structures in the database. The multiple structure alignme...

Visual search accelerates during adolescence.

We studied changes in visual-search performance and behavior during adolescence. Search performance was analyzed in terms of reaction time and response accuracy. Search behavior was analyzed in terms of the objects fixated and the duration of these fixations. A large group of adolescents (N = 140; age: 12-19 years; 47% female, 53% male) participated in a visual-search experiment in which their eye movements were recorded with an eye tracker. The experiment consisted of 144 trials (50% with a target present)...

Search strategies in practice: Influence of information and task constraints.

The practice of a motor task has been conceptualized as a process of search through a perceptual-motor workspace. The present study investigated the influence of information and task constraints on the search strategy as reflected in the sequential relations of the outcome in a discrete movement virtual projectile task. The results showed that the relation between the changes of trial-to-trial movement outcome to performance level was dependent on the landscape of the task dynamics and the influence of inhe...

The effect of mood state on visual search times for detecting a target in noise: An application of smartphone technology.

The study of visual perception has largely been completed without regard to the influence that an individual's emotional status may have on their performance in visual tasks. However, there is a growing body of evidence to suggest that mood may affect not only creative abilities and interpersonal skills but also the capacity to perform low-level cognitive tasks. Here, we sought to determine whether rudimentary visual search processes are similarly affected by emotion. Specifically, we examined whether an in...

What, where and when? Using Google Trends and Google to investigate patient needs and inform pharmacy practice.

The aim was to provide a comprehensive overview (using pertinent examples) of the various ways that Google Trends and Google data could inform pharmacy practice. The objectives were to: examine what type of information people search for in relation to a common class of medicines; ascertain where people are directed to (websites) following an initial search for a medicine or medical condition; and establish information about when they search.

The topography of the environment alters the optimal search strategy for active particles.

In environments with scarce resources, adopting the right search strategy can make the difference between succeeding and failing, even between life and death. At different scales, this applies to molecular encounters in the cell cytoplasm, to animals looking for food or mates in natural landscapes, to rescuers during search and rescue operations in disaster zones, and to genetic computer algorithms exploring parameter spaces. When looking for sparse targets in a homogeneous environment, a combination of bal...

"Practice-related changes in eye movement strategy in healthy adults with simulated hemianopia".

The impact of visual field deficits such as hemianopia can be mitigated by eye movements that position the visual image within the intact visual field. Effective eye movement strategies are not observed in all patients, however, and it is not known whether persistent deficits are due to injury or to pre-existing individual differences. Here we examined whether repeated exposure to a search task with rewards for good performance would lead to better eye movement strategies in healthy individuals. Participant...

The HMMER Web Server for Protein Sequence Similarity Search.

Protein sequence similarity search is one of the most commonly used bioinformatics methods for identifying evolutionarily related proteins. In general, sequences that are evolutionarily related share some degree of similarity, and sequence-search algorithms use this principle to identify homologs. The requirement for a fast and sensitive sequence search method led to the development of the HMMER software, which in the latest version (v3.1) uses a combination of sophisticated acceleration heuristics and math...

Pre-stimulus pupil dilation and the preparatory control of attention.

Task preparation involves multiple component processes, including a general evaluative process that signals the need for adjustments in control, and the engagement of task-specific control settings. Here we examined the dynamics of these different mechanisms in preparing the attentional control system for visual search. We explored preparatory activity using pupil dilation, a well-established measure of task demands and effortful processing. In an initial exploratory experiment, participants were cued at th...

Bringing European physiologists together.

The modern science of physiology began in Europe. Deciding on exactly who the first physiologist was is not easy but excellent candidates include Claude Bernard and Carl Ludwig. The Nobel Prize in Physiology or Medicine was inaugurated in 1901 with the first award mentioning the word "physiology" being made to Ivan Pavlov (Russia) in 1904. This article is protected by copyright. All rights reserved.

Measuring Clinical Supervision; how beneficial is yours and how do you know?

The origins of latter day Clinical Supervision [CS] can be traced back to the pioneering charity work of European and North American social reformers of the eighteenth century [White & Winstanley 2014], since when the historical development has been variously interpreted in the contemporary international literature [Yegdich & Cushing 1998; Bernard 2006] This article is protected by copyright. All rights reserved.

Google Search Trends in psoriasis: a pilot evaluation of global population interests.

Our world is progressively more connected to the Internet. The analysis of Internet search trends could be useful to measure changes in the popularity, level of knowledge, concept or expectative of a disease. Google Trends quantifies the interest in topics at the population level by analyzing all search queries for a specific term (1,2).On this way we intend to carry out a pilot evaluation that allows us to know the main foci of interest of the patient or people living with psoriasis. This article is protec...

Not just a light fingertip touch: A facilitation of functional integration between body sway and visual search in older adults.

Prior studies demonstrated that, compared to no fingertip touch (NT), a reduction in body sway resulting from the effects of light fingertip touch (LT) facilitates the performance of visual search, buttressing the concept of functional integration. However, previous findings may be confounded by different arm postures required between the NT and LT conditions. Furthermore, in older adults, how LT influences the interactions between body sway and visual search has not been established.

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