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Multitasking refers to performance of multiple tasks. The most prominent types of multitasking are situations including either temporal overlap of the execution of multiple tasks (i.e., dual tasking) or executing multiple tasks in varying sequences (i.e., task switching). In the literature, numerous attempts have aimed at theorizing about the specific characteristics of executive functions that control interference between simultaneously and/or sequentially active component of task-sets in these situations. However, these approaches have been rather vague regarding explanatory concepts (e.g., task-set inhibition, preparation, shielding, capacity limitation), widely lacking theories on detailed mechanisms and/ or empirical evidence for specific subcomponents. The present research topic aims at providing a selection of contributions on the details of executive functioning in dual-task and task switching situations. The contributions specify these executive functions by focusing on (1) fractionating assumed mechanisms into constituent subcomponents, (2) their variations by age or in clinical subpopulations, and/ or (3) their plasticity as a response to practice and training.

cognitive plasticity --- multitasking --- task switching --- dual tasking --- cognitive flexibility --- PRP

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Prion Proteins is ""issue-oriented"" and edited by a well-known authority in the field. Topics covered include structure, diversity, and energetics as well as the diseases associated with prion proteins.

Prions. --- Proteins. --- Proteids --- Biomolecules --- Polypeptides --- Proteomics --- Infectious protein particles --- Prion proteins --- Protein particles, Infectious --- Proteinaceous infection particles --- PrP proteins --- Proteins

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Prion diseases --- Prions --- Infectious protein particles --- Prion proteins --- Protein particles, Infectious --- Proteinaceous infection particles --- PrP proteins --- Proteins --- Encephalopathies, Spongiform --- Prion infections --- Spongiform encephalopathies --- Transmissible spongiform encephalopathies --- Unconventional slow virus diseases --- Communicable diseases --- Slow virus diseases

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"Discovered and identified as the cause of mad cow disease only three decades ago, the prion is a protein molecule that, when misshapen in the brain, becomes fatal. Novel and controversial, prions have provoked a scientific revolution. They challenge the very foundations of biology: A disease-causing entity with no genetic material at all? A molecule capable of infecting, multiplying, and killing? This book recounts the birth of prion science and the imaginative detective work scientists have undertaken as they struggle to find the answers to devastating brain diseases from mad cow and Creutzfeld-Jakob disease to Parkinson's, Alzheimer's, Lou Gehrig's, and others. As in each of his best-selling books, Jay Ingram here makes complex scientific concepts accessible and shows how little-known events may have profound significance. He describes the development of prion science as a rough-and-tumble affair, with rivals, eccentrics, interfering governments, and brilliantly creative people all playing salient roles. Weaving biology, medicine, human tragedy, discovery, and bitter scientific competition into his account, he reveals the stunning potential of prion science, whose discoveries may unlock the answers to some of humankind's most destructive diseases"--Provided by publisher.

Prions. --- Prion diseases. --- Encephalopathies, Spongiform --- Prion infections --- Spongiform encephalopathies --- Transmissible spongiform encephalopathies --- Unconventional slow virus diseases --- Communicable diseases --- Slow virus diseases --- Infectious protein particles --- Prion proteins --- Protein particles, Infectious --- Proteinaceous infection particles --- PrP proteins --- Proteins

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This Special Issue on “Blood-Derived Products for Tissue Repair and Regeneration” reveals the evolution and diversity of platelet rich plasma (PRP) technologies, which includes experimental research on novel formulations, the creation of combination therapies, and the exploration of potential modifiers of PRPs, as well as efficacy of PRP therapies in clinical veterinary and human applications. Scientist and clinicians are now starting to develop different treatments based on their reinterpretation of the traditional roles of platelets and plasma, and the current Issue has provided a forum for sharing research and ways of understanding the associated medicinal benefits from different points of view. The research interest in this area has covered different medical disciplines, such as ophthalmology, dentistry, orthopedics, and sports medicine.

n/a --- biomaterial --- redifferentiation --- regenerative medicine --- skeletal muscle regeneration --- furcation defects --- Platelet-Rich Plasma (PRP) --- PRP --- fracture --- fibrin sealant --- periodontal surgery --- bone regeneration --- serum derived from plasma rich in growth factors (s-PRGF) --- cartilage repair --- myofibroblasts --- autologous platelet concentrates --- burns --- satellite cells --- articular cartilage --- stem cell niche --- wound healing --- quantification --- growth factors --- biologics --- platelet rich plasma --- meniscus --- adipose tissue --- Carprofen --- platelet-rich fibrin --- platelets --- hyperacute serum --- bone defects --- serum eye drops --- corneal epithelial defect --- fibrosis --- dog --- myoblasts --- differentiation --- chronic meniscal lesion --- horizontal meniscal tear --- PRGF --- collagen hydrogels --- periodontal defects --- bone grafting material --- composition --- cell therapy --- bone healing --- tissue healing --- trephination --- plasma rich plasma (PRP) --- bone repair --- plasma rich in growth factors --- knee arthrosis --- meniscus tear --- cornea regeneration --- wrist osteoarthritis --- periosteal sheet --- Platelet-Poor Plasma (PPP) --- platelet-rich plasma --- microfat --- bone grafting --- hyaluronic acid (NaHA) --- periodontal regeneration --- meniscus repair --- photobiomodulation therapy --- growth --- myogenesis --- blood derived products --- low-level laser therapy