1,409 search results for “brain function and dysfunction” in the Public website
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Leiden Institute for Brain and Cognition
The Leiden Institute for Brain and Cognition (LIBC) is a network that stimulates interdisciplinary exchange of knowledge and expertise on topics related to brain and cognition and focuses on science valorisation and outreach.
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Serge Rombouts: 'AI is learning from brain scans and helping find a diagnosis'
Serge Rombouts is a physicist whose PhD thesis was about functional MRI (fMRI). This visualises activity in regions of the brain. The appealing images of glowing brain regions that emerge from the computer are the result of calculations. According to Rombouts, this isn’t proper artificial intelligence.…
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Neurolinguists investigate the brain: not two, but three options for brain functional categories
Based on the results of a language-switching experiment, PhD candidate Fatemeh (Simeen) Tabassi Mofrad MA and Professor Niels Schiller have discovered that the traditional categorisation of brain areas is not sufficient. They published their research findings in the scientific journal NeuroImage.
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The social brain in middle childhood
A neurobiological perspective on individual differences in social competence
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Do video games keep the brain young?
Can playing certain games decrease cognitive decline or even enhance cognitive performance in the aging population?
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Spinoza prize for 'migraine professor' Michel Ferrari
Neurologist Professor Michel Ferrari has been awarded the Spinoza prize. 'In biomedical research you can only make breakthroughs at the borders between sciences,' according to Spinoza, doctor and scientist. 'This prize is proof that co-operation works.' Together with clinical and fundamental researchers…
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Does the human brain process angry voices automatically?
Using brain imaging to discover the area in the brain that recognizes emotion.
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Prediction of spatial-temporal brain drug distribution with a novel mathematical model
A novel mathematical model describes spatial-temporal drug distribution within one or more brain units, which are cubic representations of a piece of brain tissue with brain capillaries at the edges.
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Functional architecture of the brain revealed
An international partnership of brain researchers from 35 research centres - from the US to China - including the Leiden Institute for Brain and Cognition (LIBC), has collected resting-state functional MRI data from more than 1400 healthy volunteers and put the information online so that it is available…
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Personal chair in ‘Stress-related psychopathology’ for Bernet Elzinga
Clinical psychologist Bernet Elzinga has been appointed as Professor of a personal chair at the Faculty of Social and Behavioural Sciences. This professorship will contribute both nationally and internationally to the broader promotion of Leiden University in the field of stress and psychopathology.
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Mapping Sex-by-genotype Interactions in Brain Functions
Fatemeh (Simin) Tabassi Mofrad has recently received a project grant (€ 25,000) from LUF/Gratama Foundation for her ideas in investigating sex-by-genotype interactions in brain functions. She has a multidisciplinary research perspective which enables her to look at research issues from different angles.…
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‘LIBC Junior is bursting with new ideas’
How does the brain develop from birth up to adolescence? And why are young people given so little information about the development of their brain? Two new websites of the Leiden Institute for Brain and Cognition provide an answer.
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On the representation of quantity: how our brains shape language
This project investigates properties of quantity expressions across languages from the perspective of how quantity is represented in the human brain.
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Towards High Performance and Efficient Brain Computer Interface Character Speller: Convolutional Neural Network based Methods
A P300-based Brain Computer Interface character speller, also known as P300 speller, has been an important communication pathway, under extensive research, for people who lose motor ability, such as patients with Amyotrophic Lateral Sclerosis or spinal-cord injury because a P300 speller allows human-beings…
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Attacks on hash functions and applications
Promotores: R. Cramer, A.K. Lenstra, Co-Promotor: B.M.M. de Weger
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Global Fields and Their L-functions
Artin L-functions associated to continuous representations of the absolute Galois group G_K of a global field K capture a lot of information about G_K as well as arithmetic properties of K.
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Dedicated functional assays
This page is under construction.
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Our functional assays
This page is under construction.
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Satellite remote sensing of plant functional diversity
Biodiversity enables ecosystems to thrive through the synergy of functional differences among organisms. While human well-being strongly depends on biodiversity-driven ecosystem services, human actions are also at the root of current unprecedented biodiversity declines.
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Profinite groups with a rational probabilistic zeta function
Promotores: H.W. Lenstra, A. Lucchini
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Oana Georgiana Rus-Oswald
Faculteit der Sociale Wetenschappen
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Annetrude Boeije
Science
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Brain activity of popular adolescents measured
Adolescents who were more popular among their classmates in junior school are often the ones who are more inclined to share things fairly with others. During this sharing process, 'social' areas of the brain are more strongly activated than in adolescents who are less popular. This is the finding of…
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Regulators of integrin α6β4 function
This thesis describes our search to identify and understand possible regulatory mechanisms of integrin α6β4 in cell-matrix adhesion and intracelular signaling.
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How to keep your brain healthy? Scientists provide tips at brain festival
At science festival 'Over de kop', surprising brain facts alternate with confronting stories from the operating room. Researchers explain why our brains love beans and why you should never ride a racing bike without a helmet.
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Ahmed Mahfouz: 'The mystery of brain diseases, unravelled cell by cell'
Which brain cell does what, when Parkinson's disease arises? It won't be long before this jigsaw is solved piece by piece. Ahmed Mahfouz, computational biologist, combines bio-knowledge from Leiden with algorithms from Delft and is getting closer to finding the key.
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Light-activatable metallodrugs and metal-functionalized liposomes
Metal-containing molecules combine geometrical features and a reactivity that are inherently different from that of organic molecules. My research focuses on light-activatable metal-based anticancer drugs and metal-functionalized liposomes. Light is a very selective way to activate photosensitive drugs…
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Lipid to protein ratio plays an important role in the skin barrier function of atopic eczema patients
OBJECTIVES: To determine whether the lipid/protein ratio and the total dry SC mass per surface area are related with the skin barrier function of controls and AE patients.
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variability during adolescent development and its relation to sleep and brain development
During adolescence, mood disorder onset peaks. Mood variability is associated with negative mental health outcomes, so understanding biological factors that might be associated with mood variability, such as sleep and structural brain development, could elucidate the mechanisms underlying mood and anxiety…
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Lipid to protein ratio plays an important role in the skin barrier function of atopic eczema patients
The barrier function of the skin is primarily provided by the stratum corneum (SC), the outermost layer of the skin. Skin barrier impairment is thought to be a primary factor in the pathogenesis of atopic eczema (AE).
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Symmetric Diophantine approximation over function fields
Promotor: Prof.dr. P. Stevenhagen, Co-Promotor: Dr. J.H. Evertse
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Ecological functioning of bacterial chitinases in soil
Promotores: Prof.dr. H. van Veen & Prof.dr. W. de Boer (Wageningen University)
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Physics implications of shape on biological function
Shape and biological function are tightly connected. Physical descriptions are used to connect the shape of a biological system with its function.
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Rapid and profound rewiring of brain lipid signaling networks by acute diacylglycerol lipase inhibition
Diacylglycerol lipases (DAGLα and DAGLβ) convert diacylglycerol to the endocannabinoid 2-arachidonoylglycerol. Our understanding of DAGL function has been hindered by a lack of chemical probes that can perturb these enzymes in vivo.
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Assemblage and functioning of bacterial communities in soil and rhizosphere
Promotores: J.A.van Veen, P.L.G.Klinkhamer. Co-promotor: E.E.Kuramae
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Discrete tomography for integer-valued functions
Promotor: S.J. Edixhoven, Co-promotor: K.J. Batenburg
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Control in the Context: Identification of metacontrol stylespecific brain activity
PhD defence
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Rationally designed peptide based functional biomaterials
Promoter: J.G.E.M.Fraaije, Co-promotor: A. Kros
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Positive feedback activates adolescent brain
Children and adolescents really do use their ‘smart’ brain areas. This has been confirmed by an extensive and long-running study of the brain carried out by developmental psychologist Sabine Peters . Her findings can have important consequences for education. PhD defence 27 January.
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A functional approach to differential indexing
On 12 April 2022 Alok Oak successfully defended a doctoral thesis and graduated.
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effects on links between macro-invertebrate diversity and ecosystem functioning
How are links between macro-invertebrate diversity and ecosystem functioning influenced by anthropogenic pressures?
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Composition and function of integrin adhesions
Integrins play an essential role in multicellular life by connecting cells to the extracellular matrix.
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Increased intracranial pressure in patients with traumatic brain injury in the intensive care unit
PhD defence
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Emma Everaert
Faculteit der Sociale Wetenschappen
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Lockdown impacted brain development in young people
What effect did the lockdown have on young people? Leiden researchers started a study of this in the first year of the covid pandemic. They discovered an impact on the development of the brain areas involved in social behaviour. The researchers published their discovery in Scientific Reports at Nat…
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Functional fluorescent materials and migration dynamics of neural progenitor cells
In this thesis, time-lapse fluorescent microscopy plays a pivotal role in investigating functional materials within living cells as well as the migratory behaviour of neural progenitor cells.
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physical activity wearable data and its relation with metabolic and brain health in older adults
Quantifying physical activity (using accelerometers) and combining the frequency and intensity of activities with health data (brain MRI, traditional clinical parameters and metabolomics) is of utmost importance to monitor mobility and health among older individuals and study health promotion during…
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Positive representations of algebras of continuous functions
If X is a locally compact Hausdorff space, then a representation of the complex C* algebra C_0(X) on a Hilbert space $H$ is given by a spectral measure that takes its values in the orthogonal projections on $H$.
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XXY versus autism: evidence from neuroimaging
Brain development in children with an extra X chromosome as compared to children with autism: evidence from MRI
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Right brain hemisphere also important for learning a new language
Novel language learning activates different neural processes than was previously thought. A Leiden research team has discovered parallel but separate contributions from the hippocampus and Broca's area, the learning centre in the left hemisphere. The right hemisphere of the brain also seems to play…