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Computational models for spatiotemporal filtering strategies in insect motion vision at low light levels

We explore a promising new approach to understanding the neural filter mechanisms intermediate in motion processing at low luminance. We carefully account for the known filter properties of early stages of visual processing in a nocturnal moth, and then measured spatiotemporal tuning of higher order neurons. We then use a computational model to identify likely strategies used to reject noisy signa

To learn to design is to learn to learn about possible futures: A learning perspective on design and its implications

Design requires thoughtful application of methods to broaden ones understanding of the task and to generate alternative solutions in the form of possible futures in relation to the task. These kind of activities implies learning. In an interaction design course for undergraduate engineering students, we noticed that students gave little effort to the usage of the design methodologies taught, and n

Higher versus lower blood pressure targets after cardiac arrest : Systematic review with individual patient data meta-analysis

Purpose: Guidelines recommend targeting mean arterial pressure (MAP) > 65 mmHg in patients after cardiac arrest (CA). Recent trials have studied the effects of targeting a higher MAP as compared to a lower MAP after CA. We performed a systematic review and individual patient data meta-analysis to investigate the effects of higher versus lower MAP targets on patient outcome. Method: We searched the

Modulation of diabetes in NOD mice by GAD65-specific monoclonal antibodies is epitope specific and accompanied by anti-idiotypic antibodies

Type 1 diabetes is caused by the autoimmune destruction of pancreatic beta cells. Here we show that administration of a human monoclonal antibody (b96.11) specific to the 65-kDa isoform of glutamate decarboxylase (GAD65) to prediabetic non-obese diabetic (NOD) mice significantly delays the onset of autoimmune diabetes. We found this effect to be epitope-specific, as only b96.11 showed this therape

The contribution of bilingualism, parental education, and school characteristics to performance on the clinical evaluation of language fundamentals : Fourth edition, Swedish

Assessment of bilingual children in only one language fails to acknowledge their distributed linguistic competence and has been shown to overidentify language disorder in bilingual populations. However, other factors, sometimes associated with bilingualism, may also contribute to low results in language assessments. Our aim was to examine the impact of these factors on language abilities. We used

Autoantibodies in Pandemrix®-induced narcolepsy : Nine candidate autoantigens fail the conformational autoantibody test

Study objectives: Narcolepsy type 1 (NT1) is a chronic sleep disorder characterized by loss of hypocretin-producing neurons. Increased NT1 incidence was observed in Sweden following mass-vaccination with Pandemrix®. Genetic association to HLA DQB1*06:02 implies an autoimmune origin, but target autoantigen remains unknown. Candidate autoantigens for NT1 have previously been identified in solid-phas

National policies and social inequalities in exit paths from working life in Sweden

We investigated the impact on work life exits from reduced access to disability pension (2006), and financial incentives to extend working life. Method and materialWe used labour statistics of all employees in Sweden, Social insurance and income data, to compare occupational groups (SSYK, based on ISCO-88), and blue and white collar workers, with regard to i) lost years in working life due to deat

Software-based data acquisition and processing for neutron detectors at European Spallation Source - Early experience from four detector designs

European Spallation Source (ESS) will deliver neutrons at high flux for use in diverse neutron scattering techniques. The neutron source facility and the scientific instruments will be located in Lund, and the Data Management and Software Centre (DMSC), in Copenhagen. A number of detector prototypes are being developed at ESS together with its European in-kind partners, for example: SoNDe, Multi-G

Designing with action layers - A bottom-up approach to explore product interaction for intuitive use

This paper presents a design teaching approach that aims to support students to shift their approach when exploring, prototyping and testing user interactions with physical products. This is conducted in a bottom-up, iterative manner to change the perspective from focusing on the opportunities of user-involvement during the form-giving process, rather than prematurely stressing the design outcome.

Prevention of postoperative pericardial adhesions by closure of the pericardium with absorbable polymer patches. An experimental study

Pericardial adhesions after cardiac operations are a widely known phenomenon. They may severely complicate reoperations, making reentry hazardous, increasing bleeding, and prolonging the operation time. The anatomic orientation and visibility of both bypass grafts and coronary arteries are also impaired. With the aim of minimizing pericardial adhesions after cardiac operations, we studied the cour

Accounts of Northern Barbarians in Tacitus' Annales : A Contextual Analysis

The Roman historian Tacitus is not only our most important source for the Early Roman Empire, but also a literary artist second to none. His fragmentarily preserved Annales deals with the imperial rule established by the first emperor Augustus, the Julio-Claudian dynasty (AD 14 – 68). Through his scathing analyses of the consequences of autocratic government, Tacitus has established himself as an

Guidelines for acromegaly management : an update

OBJECTIVE: The Acromegaly Consensus Group reconvened in November 2007 to update guidelines for acromegaly management.PARTICIPANTS: The meeting participants comprised 68 pituitary specialists, including neurosurgeons and endocrinologists with extensive experience treating patients with acromegaly. EVIDENCE/CONSENSUS PROCESS: Goals of treatment and the appropriate imaging and biochemical and clinica

Breast cancer survival and incidence of second primary cancers after 30 years in a randomized study of two versus five years of adjuvant tamoxifen therapy

Background: Tamoxifen is an established treatment for breast cancer, but its long-term effects on survival and on secondary cancers are not fully evaluated. Material and methods: We studied 30 years outcome of 4124 postmenopausal patients who were randomized to receive (totally) two or five years of adjuvant tamoxifen. Results: After 5 years of follow-up, when tamoxifen treatment was finished in b

EHD2 regulates plasma membrane integrity and downstream insulin receptor signalling events

Adipocyte dysfunction is a crucial driver of insulin resistance and type 2 diabetes. We identified EH domain-containing protein 2 (EHD2) as one of the most highly upregulated genes at the early stage of adipose tissue expansion. EHD2 is a dynamin-related ATPase influencing several cellular processes, including membrane recycling, caveolae dynamics and lipid metabolism. Here, we investigated the ro

Alpha1-antitrypsin deficiency (PiZ) may be a risk factor for duodenal ulcer in patients with Helicobacter pylori infection

Abstract BACKGROUND: Most individuals with Helicobacter pylori infection in Western countries have no evidence of peptic ulcer disease (PUD). We therefore assessed the PiZ deficiency variant of the major plasma protease inhibitor alpha1-antitrypsin (alpha1AT) as a risk factor for PUD in H. pylori-infected individuals. METHODS: The cohort comprised 100 patients with endoscopically or surgically pr

Simulation and verification of different parameters effect on springback results

Today, simulation of springback has still not reached enough accuracy for acceptance as a production tool in the automotive industry. Further investigations need to be done in order to understand how to improve the results in an efficient way. In order to investigate which parameters that are important for the accuracy in a springback simulation, a parameter study of a U-shaped rail was performed.