Pushing the boundaries of quantum theories – that’s exactly what the physicists at Leiden University excel at. Researchers in Leiden are launching eight new quantum research projects as part of the Quantum Limits consortium.

The ability to collect and interpret huge quantities of data has become indispensable to society and academia. Leiden University is a knowledge and expertise centre for data science that places the emphasis on interdisciplinary collaboration and innovation.

To strenghten ties with the public, press, other academics and wider society, LION employs an outreach officer.

In the academic year 2023-2024 the SRS interdisciplinary programme will offer four courses for interested students who are entering the third year of their Bachelor's degree. You can sign up for these courses in your elective (minor) space. You can follow the courses individually as an elective, or…

Research in the group Clinical Neurodevelopmental Sciences is focused on understanding and influencing developmental mechanisms in children and adolescents.

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Is EEG theta\beta ratio predictive towards the negative effects of stress on cognitive performance in individuals suffering from performance anxiety? Can we improve resilience to performance anxiety by using a theta\beta ratio neurofeedback intervention?

This dissertation examines what network in the human brain is involved in the perception of prosody and whether activity within this network is modulated by the personality trait alexithymia.

The Leiden Institute of Chemistry (LIC) is the basis for research and collaborations of the Leiden chemistry groups. Chemistry is the central science enabling a healthy future in a sustainable society. Chemistry researchers at Leiden University take a fundamental approach in finding tailored solutions…

We are experts in the fields of languages, cultures, history, arts, societies and philosophy. Together we cover almost all continents and time periods. Knowledge of these disciplines contributes to a humane, safe and sustainable world.

Up to 50% of individuals with Parkinson's disease develop cognitive impairment over time; this study explores the use of 'practice effects' on neuropsychological tests as an early predictor of cognitive decline.

How do different emotional expressions influence the behavior of other people in negotiations?

The 80,000 visitors to the Liberation Day Festival in The Hague on 5 May can learn about 444-year-old Leiden University at a range of interactive events on Malieveld and in the Dutch Parliament.

Across many decision-making tasks, people and animals systematically repeat (or alternate) their choices - even when the choices they make are intrinsically uncorrelated. This phenomenon (also known as 'sequential effect' or 'choice hysteresis') has been known for at least a century, and may be a stable…

Eduard Fosch-Villaronga, Associate Professor at eLaw, contributed to 'Cyber–Physical–Human Systems', a book exploring the latest developments in interactions between cyber–physical systems and humans.

How do we process language and speech? How do we integrate information at different levels – intonation, sentence structure, meaning, tone, words, sounds - and how does information at one level interact with information at another level?

Clinical psychology is a discipline concerned with the application of psychological science to the assessment and treatment of mental disorders.

When and how does social anxiety develop? How can it go astray in some adolescents? How can we help troubled young people to attend school regularly and return to a normal developmental pathway?

Arts and leisure, Arts and leisure

New insights for policy promoting peace and security in Europe and the world.

Improving health, enhancing well-being and reducing health disparities across society.

Research at the Leiden University Centre for Linguistics (LUCL) focuses on linguistic variation and diversity. In order to create more awareness and scientific understanding of this topic, research activities are clustered around six (overlapping) umbrella programmes. Many of our researchers are active…

The life of a researcher is not easy, as many a scientist will confirm; but doing fieldwork in an environment of conflict and violence is extremely compex, attests the account of Dr Roland Ziébé, veterinarian in Cameroon and researcher at both the Leiden Institute of Environmental Sciences (CML) and…

Alexander Kros studies supramolecular systems in a biological environment. The unifying theme between the projects in my lab is specific molecular recognition, i.e. the intermolecular interaction between complementary molecules with high affinity and selectivity. Studying, imitating and dissecting processes…

The Hazelhoff Centre for Financial Law research programme for 2020-2023 centres around the integrity of financial markets during times of crisis and possible regulation to secure it.

Wrenching poverty, global inequality, violent political and ethnic strife, deadlocked, unresponsive or even collapsing governments, growing dissatisfaction with democracy and missed opportunities for innovation – these are merely some of the challenges of governance and development with which our programme…

Health is a wonderful gift, both for humans and for society. If we are able to prevent both physical and mental illnesses, we can spare a lot of suffering and fight rising health costs. Social scientists and physicians in Leiden are working closely together to conduct research on the human mental, behavioural…

If we want to build robots and computer systems that are not only smarter but also possess more social skills, we first need to find out more about how humans interpret information. Max van Duijn and Tessa Verhoef conduct research at the intersection of cognitive science and AI.

This project has two main aims: I. Determine when novelty promotes fear extinction. II. Discover the neurobiological mechanisms underlying these effects.

Young children, adolescents and students may experience learning difficulties as a result of lack of sleep. Dr Kristiaan van der Heijden investigates sleep problems and solutions for various age groups.

Leiden University will be recording a brand-new series of podcasts in 2019: Science Shots. Our top scientists will talk about their research in less than 15 minutes. Tip: something to enjoy on the train journey between Leiden and The Hague, our two University cities!

Social science research helps us understand human behaviour and social structures. These are determined by various factors, which makes the research complex and increases the likelihood of drawing the wrong conclusions. The choice of research method and analysis is therefore extremely important. It…

The master's specialisation School Psychology consists of three main parts: the mandatory courses, the thesis and the internship/extra electives.

The goal of hit and lead optimization is to optimize suitable chemical starting points that can modulate a drug target. The methods and technologies used are similar to those in Hit Discovery, but once the compound has shown activity in an animal model, it moves from 'hit' to 'lead.'

In the first year, the Linguistics programme provides a sound basis for specialisation and helps you develop your academic skills. In the second year, you will choose one of our four specialisations. While focusing on this track in your second and third year, you can also choose electives outside your…

The Faculty of Medicine

Optimization, mechanisms of action and predictors of the outcome of light therapy in depression: A multicenter randomized trial

How to come to valid risk stratification of alcohol use disorder?

Empathic or anxious mistakes? A neurocognitive investigation of the development of social performance monitoring in youth growing up in stressful versus non-stressful environments

Members of the collective explore what it means to be ‘human’, in the past and present, from a range of different perspectives and inter-disciplinary approaches.

The lack of success of new CNS drugs in clinical development is in part due to the complexity of the CNS, unexpected side effects, difficulties for drugs to penetrate the brain, but also by the lack of biomarkers.

The research group on Diplomacy and Global Affairs studies international diplomacy, international organisation, global, transnational, multi-level and comparative governance.

Can excessive worrying be reduced via stimulation of the vagus nerve?

Leiden was European City of Science in 2022: for a year Leiden was the capital of European science. Leiden University was a proud partner of Leiden2022.