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- Hau, Stephan, 1960-, et al.
(författare)
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Die Frankfurter Präventionsstudie. Zur psychischen und psychosozialen Integration von verhaltensauffälligen Kindern (insbesondere von ADHS) im Kindergartenalter - ein Arbeitsbericht.
- 2006
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Ingår i: ADHS - Frühprävention statt Medikalisierung. Theorie, Forschung, Kontroversen.. - Göttingen : Vandenhoeck & Ruprecht. - 9783525451786 - 3525451784 ; , s. 238-269
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Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
- Wie soll ADHS behandelt werden? Dieses Buch setzt sich auf fachlich-wissenschaftlicher Ebene sowohl mit der Diagnose als auch mit der Behandlung von ADHS auseinander. Die einen plädieren für einen verstehenden und therapeutischen Umgang mit dem betroffenen Kind, während andere in einer medikamentösen Behandlung das Mittel der Wahl sehen.Das Aufmerksamkeits-Defizit-Hyperaktivitäts-Syndrom (ADHS) ist heutzutage eine weitverbreitete Diagnose, mancherorts für fast alle kindlichen Schwierigkeiten im Vorschul- und Grundschulalter. Die Erklärungen reichen von Störungen des Hirnstoffwechsels, Frühverwahrlosungen, psychischen oder psychosozialen Regulationsstörungen bis hin zu Hochbegabungen. Bei den Präventions- und Therapieangeboten gehen die Empfehlungen weit auseinander. Für die einen ist ein verstehender Zugang zum einzelnen Kind und seiner Lebenssituation der richtige Weg, während andere in einer medikamentösen Behandlung die Lösung des Problems sehen. Diese Sichtweise hat in den letzten zehn Jahren enormen Auftrieb erhalten. Die Autoren dieses Bandes problematisieren und diskutieren eine drohende Medikalisierung sozialer Probleme. Sie greifen aktuelle Kontroversen auf und plädieren für eine sorgfältige Diagnostik sowie für eine professionelle Zusammenarbeit aller beteiligten Experten bei der Therapie der betroffenen Kinder.
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- Karaca, Meltem, et al.
(författare)
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Low-Performing Students Confidently Overpredict Their Grade Performance throughout the Semester
- 2023
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Ingår i: Journal of Intelligence. - : MDPI AG. - 2079-3200. ; 11:10
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Tidskriftsartikel (refereegranskat)abstract
- When asked to predict how they will perform on an upcoming exam, students are often poorly calibrated, typically in the direction of overpredicting their performance. Research shows that low-performing students’ calibration tends to remain poor across multiple tests over the course of a semester. We tested whether these students remain confident in these erroneously high grade predictions across the semester or whether their confidence wanes, suggesting some degree of metacognitive awareness. In two studies, students made grade predictions prior to taking four in-class exams and then rated their level of confidence in their predictions. Results from both studies showed that miscalibration and confidence remained stable across tests, suggesting that low-performing students continued to believe that they would perform well on upcoming exams despite prior evidence to the contrary.
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- Lewczuk, Piotr, et al.
(författare)
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Cerebrospinal fluid and blood biomarkers for neurodegenerative dementias: An update of the Consensus of the Task Force on Biological Markers in Psychiatry of the World Federation of Societies of Biological Psychiatry.
- 2018
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Ingår i: The world journal of biological psychiatry : the official journal of the World Federation of Societies of Biological Psychiatry. - : Informa UK Limited. - 1814-1412. ; 19:4, s. 244-328
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Tidskriftsartikel (refereegranskat)abstract
- In the 12 years since the publication of the first Consensus Paper of the WFSBP on biomarkers of neurodegenerative dementias, enormous advancement has taken place in the field, and the Task Force takes now the opportunity to extend and update the original paper. New concepts of Alzheimer's disease (AD) and the conceptual interactions between AD and dementia due to AD were developed, resulting in two sets for diagnostic/research criteria. Procedures for pre-analytical sample handling, biobanking, analyses and post-analytical interpretation of the results were intensively studied and optimised. A global quality control project was introduced to evaluate and monitor the inter-centre variability in measurements with the goal of harmonisation of results. Contexts of use and how to approach candidate biomarkers in biological specimens other than cerebrospinal fluid (CSF), e.g. blood, were precisely defined. Important development was achieved in neuroimaging techniques, including studies comparing amyloid-β positron emission tomography results to fluid-based modalities. Similarly, development in research laboratory technologies, such as ultra-sensitive methods, raises our hopes to further improve analytical and diagnostic accuracy of classic and novel candidate biomarkers. Synergistically, advancement in clinical trials of anti-dementia therapies energises and motivates the efforts to find and optimise the most reliable early diagnostic modalities. Finally, the first studies were published addressing the potential of cost-effectiveness of the biomarkers-based diagnosis of neurodegenerative disorders.
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- Stray-Pedersen, Asbjorg, et al.
(författare)
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Primary immunodeficiency diseases : Genomic approaches delineate heterogeneous Mendelian disorders
- 2017
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Ingår i: Journal of Allergy and Clinical Immunology. - : MOSBY-ELSEVIER. - 0091-6749 .- 1097-6825. ; 139:1, s. 232-245
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Tidskriftsartikel (refereegranskat)abstract
- Background: Primary immunodeficiency diseases (PIDDs) are clinically and genetically heterogeneous disorders thus far associated with mutations in more than 300 genes. The clinical phenotypes derived from distinct genotypes can overlap. Genetic etiology can be a prognostic indicator of disease severity and can influence treatment decisions. Objective: We sought to investigate the ability of whole-exome screening methods to detect disease-causing variants in patients with PIDDs. Methods: Patients with PIDDs from 278 families from 22 countries were investigated by using whole-exome sequencing. Computational copy number variant (CNV) prediction pipelines and an exome-tiling chromosomal microarray were also applied to identify intragenic CNVs. Analytic approaches initially focused on 475 known or candidate PIDD genes but were nonexclusive and further tailored based on clinical data, family history, and immunophenotyping. Results: A likely molecular diagnosis was achieved in 110 (40%) unrelated probands. Clinical diagnosis was revised in about half (60/ 110) and management was directly altered in nearly a quarter (26/ 110) of families based on molecular findings. Twelve PIDD-causing CNVs were detected, including 7 smaller than 30 Kb that would not have been detected with conventional diagnostic CNV arrays. Conclusion: This high-throughput genomic approach enabled detection of disease-related variants in unexpected genes; permitted detection of low-grade constitutional, somatic, and revertant mosaicism; and provided evidence of a mutational burden in mixed PIDD immunophenotypes.
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- Vilar, M, et al.
(författare)
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Ligand-independent signaling by disulfide-crosslinked dimers of the p75 neurotrophin receptor
- 2009
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Ingår i: Journal of cell science. - : The Company of Biologists. - 1477-9137 .- 0021-9533. ; 122:18Pt 18, s. 3351-3357
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Tidskriftsartikel (refereegranskat)abstract
- Dimerization is recognized as a crucial step in the activation of many plasma membrane receptors. However, a growing number of receptors pre-exist as dimers in the absence of ligand, indicating that, although necessary, dimerization is not always sufficient for signaling. The p75 neurotrophin receptor (p75NTR) forms disulfide-linked dimers at the cell surface independently of ligand binding through Cys257 in its transmembrane domain. Here, we show that crosslinking of p75NTR dimers by cysteine-scanning mutagenesis results in constitutive, ligand-independent activity in several pathways that are normally engaged upon neurotrophin stimulation of native receptors. The activity profiles of different disulfide-crosslinked p75NTR mutants were similar but not identical, suggesting that different configurations of p75NTR dimers might be endowed with different functions. Interestingly, crosslinked p75NTR mutants did not mimic the effects of the myelin inhibitors Nogo or MAG, suggesting the existence of ligand-specific activation mechanisms. Together, these results support a conformational model of p75NTR activation by neurotrophins, and reveal a genetic approach to generate gain-of-function receptor variants with distinct functional profiles.
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