Usages d’Internet à l’école selon le regard des élèves: pratiques d’intégration, paradigmes pédagogiques et motivation scolaire

Cette recherche analyse les usages pédagogiques d’Internet à l’école à partir du regard des élèves de différents degrés scolaires (6 – 18 ans) et de deux groupes linguistiques (francophones, germanophones) dans le canton de Fribourg (Suisse). L’étude investigue la fréquence du recours à Internet en classe et son orientation pédagogique (centrée sur l’apprentissage ou sur l’enseignement), ainsi que les effets de ces variables sur la motivation scolaire. Les résultats font apparaître des différences du recours à Internet en fonction des degrés, des filières, de la discipline et de la langue d’enseignement. Ils démontrent également un effet positif de la modalité pédagogique centrée sur l’apprentissage sur la motivation des élèves.This research investigates the use of Internet in classrooms based on the perception of students (6-18 years old) from two linguistic groups (French and German) in the State of Fribourg (Switzerland). This study analyzes the frequency of Internet uses in the classroom, their pedagogical orientation (learning vs. teaching centered), as well as their effects on students’ learning motivation. Results show an effect of school level, school track, school subject and language group on the frequency of Internet use in the classroom. Furthermore, in the context of learning tasks with information and communication technologies (ICT), this study demonstrates a positive effect of teaching centered pedagogical orientation on students’ learning motivation

Nurses\u27 Alumnae Association Bulletin - Volume 17 Number 1

Alumnae Notes Committee Reports Digest of Alumnae Association Meetings Greetings from Miss Childs Greetings from the Educational Director Greetings from the President Graduation Awards - 1951 Jefferson\u27s New Hospital Addition Marriages Necrology Neurosurgery Department New Arrivals New Drugs Notes on the Cause of Leukemia Nursing Staff Saul Among the Prophets Staff Activities, 1951-1952 Students\u27 Corner The Hospital Pharmacy The Student Nurse Association of Pennsylvania White Haven and Barton Memorial Division

A qualitative impairment in face perception in Alzheimer’s disease : evidence from a reduced face inversion effect

Prevalent face recognition difficulties in Alzheimer’s disease (AD) have typically been attributed to the underlying episodic and semantic memory impairment. The aim of the current study was to determine if AD patients are also impaired at the perceptual level for faces, more specifically at extracting a visual representation of an individual face. To address this question, we investigated the matching of simultaneously presented individual faces and of other nonface familiar shapes (cars), at both upright and inverted orientation, in a group of mild AD patients and in a group of healthy older controls matched for age and education. AD patients showed a reduced inversion effect (i.e., larger performance for upright than inverted stimuli) for faces, but not for cars, both in terms of error rates and response times. While healthy participants showed a much larger decrease in performance for faces than for cars with inversion, the inversion effect did not differ significantly for faces and cars in AD. This abnormal inversion effect for faces was observed in a large subset of individual patients with AD. These results suggest that AD patients have deficits in higher-level visual processes, more specifically at perceiving individual faces, a function that relies on holistic representations specific to upright face stimuli. These deficits, combined with their memory impairment, may contribute to the difficulties in recognizing familiar people that are often reported in patients suffering from the disease and by their caregivers

La résistance à la pourriture des cabosses due à Phytophthora spp., recherche des composantes de la résistance

La pourriture des cabosses du cacaoyer, due à des #Phytophthora#, sévit dans toutes les zones de production. Avec plus de 50 % de pertes de cabosses, l'Afrique centrale est la région la plus affectée par cette maladie. Le contrôle de cette maladie représente donc un enjeu majeur pour l'avenir de la cacaoculture mondiale et la sélection de matériel résistant constitue l'un des thèmes de recherche prioritaire pour de nombreux pays producteurs. Un projet international sur ce sujet, recevant un support financier de Caobisco, a débuté en juillet 1995. Ce projet, d'une durée de 5 ans, a pour objectifs : d'identifier les facteurs intervenants dans la résistance à cette maladie, de mettre au point et de valider des tests précoces de résistance, de détecter d'éventuels QTLs associés à la résistance et d'effectuer une première sélection de matériel résistant.Cet article présente les principaux résultats obtenus après 3 ans de fonctionnement. (Résumé d'auteur

GERMLINE GAIN-OF-FUNCTION MUTATIONS of ALK DISRUPT CENTRAL NERVOUS SYSTEM DEVELOPMENT

International audienceNeuroblastoma (NB) is a frequent embryonal tumour of sympathetic ganglia and adrenals with extremely variable outcome. Recently, somatic amplification and gain-of-function mutations of the anaplastic lymphoma receptor tyrosine kinase (ALK, MIM 105590) gene, either somatic or germline, were identified in a significant proportion of NB cases. Here we report a novel syndromic presentation associating congenital NB with severe encephalopathy and abnormal shape of the brainstem on brain MRI in two unrelated sporadic cases harbouring de novo, germline, heterozygous ALK gene mutations. Both mutations are gain-of-function mutations that have been reported in NB and NB cell lines. These observations further illustrate the role of oncogenes in both tumour predisposition and normal development, and shed light on the pleiotropic and activity-dependent role of ALK in humans. More generally, missing germline mutations relative to the spectrum of somatic mutations reported for a given oncogene may be a reflection of severe effects during embryonic development, and may prompt mutation screening in patients with extreme phenotypes

La résistance à la pourriture des cabosses due à Phytophthora spp., recherche des composantes de la résistance

La pourriture des cabosses du cacaoyer, due à des #Phytophthora#, sévit dans toutes les zones de production. Avec plus de 50 % de pertes de cabosses, l'Afrique centrale est la région la plus affectée par cette maladie. Le contrôle de cette maladie représente donc un enjeu majeur pour l'avenir de la cacaoculture mondiale et la sélection de matériel résistant constitue l'un des thèmes de recherche prioritaire pour de nombreux pays producteurs. Un projet international sur ce sujet, recevant un support financier de Caobisco, a débuté en juillet 1995. Ce projet, d'une durée de 5 ans, a pour objectifs : d'identifier les facteurs intervenants dans la résistance à cette maladie, de mettre au point et de valider des tests précoces de résistance, de détecter d'éventuels QTLs associés à la résistance et d'effectuer une première sélection de matériel résistant.Cet article présente les principaux résultats obtenus après 3 ans de fonctionnement. (Résumé d'auteur

Potassium currents in the heart: functional roles in repolarization, arrhythmia and therapeutics

L

The impact of time and repeated exposure on famous person knowledge in amnestic Mild cognitive impairment and Alzheimer’s disease

Objective: Famous people knowledge has been shown to be impaired early in Alzheimer’s disease (AD) and amnestic mild cognitive impairment (aMCI). However, the question of whether recently acquired knowledge is more impaired than remotely acquired knowledge remains a matter of debate. The aim of this study was to investigate the patterns of semantic memory impairment in aMCI and AD by investigating two factors that may influence the retrieval of such knowledge, namely remoteness and frequency of repetition of information over time. Method: Three groups (19 controls, 20 aMCI and 20 AD patients) were compared on a test assessing general and specific biographical knowledge about famous people, where the period of acquired fame (remote vs recent) and the type of fame (enduring vs transient) were controlled for. Results: Global performance of aMCI and AD patients was significantly poorer than that of controls. However, different patterns of recall were observed as a function of time and type of fame. A temporal gradient was found in both patient groups for enduring names but not for transient ones, whereby knowledge about remote enduring famous persons was better recalled. Patients were more impaired at questions assessing specific biographical knowledge (unique to an individual) than more general knowledge. Conclusions: Tests of famous people knowledge offer a unique opportunity to investigate semantic deficits in aMCI and AD, because they make it possible to estimate the time at which memories were acquired, as well as the type of fame. Results are discussed in light of memory consolidation models. Keywords

Application de connaissances terminologiques dans le cadre de l'enseignement du Français langue etrangère I et II

Dissertação apresentada para cumprimento dos requisitos necessários à obtenção do grau de Mestre em TerminologiaCom esta investigação, aplicámos conhecimentos terminológicos no âmbito do ensino do Francês Língua Estrangeira I e II, fundamentando esta escolha com a relação existente entre o domínio do ambiente e os documentos oficiais de orientação para o ensino/aprendizagem do Francês Língua Estrangeira, nomeadamente salientando a ligação entre os pontos mais pertinentes do Quadro Europeu Comum de Referência para as Línguas e os conteúdos dos Programas de Francês LE I e II. A partir de um corpus actual recolhido e tratado criteriosamente por nós, propomos a concepção de uma base de dados terminológica, para fins didácticos no Ensino de Francês Língua Estrangeira I e II, na qual podemos encontrar unidades terminológicas nominais complexas e/ou colocações terminológicas do domínio do ambiente e que poderá servir para a formação inicial e/ou ao longo da vida para o público-alvo: professores e alunos interessados. Para criar esta base de dados relacional, concebemos uma base de dados documental, uma terminológica, uma textual e finalmente a base de dados de recursos terminodidácticos, usando para isso os nossos conhecimentos do Sistema de Gestão de Base de Dados, o que nos proporcionou bastante satisfação. Nesta dissertação, descrevemos todas as etapas e escolhas necessárias para atingir o objectivo máximo: criar esta ferramenta original e cientificamente de qualidade, simultaneamente motivadora para o ensino/aprendizagem, interactiva e evolutiva, levando o seu utilizador a uma maior consciência e quiçá – a boas práticas de “ecocidadania