Can positive peer feedback break the cycle of negative self-relevant cognitive processes and reduce self-reported anxiety in early adolescents?

MERGE aims to understand how we can improve the usefulness and accessibility of policy frameworks and indicators on well-being and strengthen the transition toward sustainable development policies.

Almost three years after receiving her honorary doctorate, Dr Graça Machel returned to Leiden University. Over the course of two days she spoke with students, researchers, and other interested persons, about human rights – particularly those of women and children – in a world in which these are continually…

The Young Academy Leiden (YAL) is a select group of young academics at Leiden University. Founded in early 2019, it serves as a platform to bring young, enthusiastic and driven early career (post-PhD) academics together.

Music can affect how we feel, think, and behave. But how do we learn about the specifics of people's responses to music so that we can apply this to health and well-being? By looking at characteristics of the music, as well as the differences between listeners, we hope to better understand as well as…

A global synthesis of the extent, diversity and patterns in off-site fire use by historically documented and current hunter-gatherers with the remit of this study in the deeper past.

The project XAIPre (pronounce “Xyper”) aims to develop predictive maintenance system for the maritime industry using sensor technology and artificial intelligence. The project aims at developing Explainable Predictive Maintenance (XPdM) algorithms that do not only provide the engineers with a prediction…

This paper examines cyber intelligence in the context of national and international security.

How does stress affect different components of behavioral impulsivity and aggression in patients with Borderline Personality Disorder compared to clinical controls (patients with Attention Deficit Hyperactivity Disorder) and healthy controls?

HiQ-LCA aims to deliver an independent, high-quality Life Cycle Assessment database for use in industrial battery LCA case studies

Methodology and Statistics focuses on the development, evaluation and application of statistical models for the analysis of psychological research data.

From self-driving cars to innovative drug development: artificial intelligence (AI) will fundamentally change our lives in many different ways. We study this technology at a deep and fundamental level. And we seek answers to questions about liability and privacy, for example. Our researchers from…

One of the most crucial aspects of our behaviour is our motivation to explore novel environments and interact with new people. This became painfully clear during the COVID-19 lockdowns, when many people suffered from lack of new experiences and real-life social interactions. The relevance of novelty…

Our Mission: To optimize human well-being within the constraints of planetary boundaries through innovative research, education, and partnerships that advance sustainable production and consumption. We strive to remain global leaders in developing and applying systems-based approaches, methodological…

A master's degree in Psychology at Leiden University combines theoretical knowledge with academic and professional skills, making you an attractive candidate for many employers.

Location

The Cognitive Psychology Unit has two main research lines, which focus on basic cognitive (neuro)science and applied cognitive psychology.

Graduates of the master's specialisation in Sociology of Policy in Practice are proficient in analysing and reporting global vulnerabilities and local forms of resilience.

Despite substantial progress in understanding tuberculosis (TB), the eradication of the TB epidemic is still far from reach.

Every year, the Young Academy Leiden looks for new members. We alternate between an open vacancy, to which candidates can apply, and nomination by the Faculty Boards and the Executive Board of LUMC.

Are you curious about how economics, law and governance shape our society? At Leiden University, you’ll explore financial systems, public administration, international relations and legal frameworks. From international law to public policy, from global diplomacy to financial regulation: you’ll learn…

Are you curious about how economics, law and governance shape our society? At Leiden University, you’ll explore financial systems, public administration, international relations and legal frameworks. From international law to public policy, from global diplomacy to financial regulation: you’ll learn…

Next to internships we have different ways to collaborate. See below for more information about LUdev and the AI Collaboration team.

Are you curious about why people are the way they are - and how they change? At Leiden University, you’ll explore social behaviour, ideas and cultures, from the past to the present and from local to global. From major cities to world religions, from philosophical questions to education and upbringing…

How can we use data to better understand climate change? Can smart algorithms help drive medical breakthroughs? And how do you design technology that contributes to a more sustainable world? If you are curious about how the world works and how to solve complex problems using science, data, and technology,…

Research at the SBC group is comprised of the following research themes:

Are you curious about why people are the way they are - and how they change? At Leiden University, you’ll explore social behaviour, ideas and cultures, from the past to the present and from local to global. From major cities to world religions, from philosophical questions to education and upbringing…

How can we use data to better understand climate change? Can smart algorithms help drive medical breakthroughs? And how do you design technology that contributes to a more sustainable world? If you are curious about how the world works and how to solve complex problems using science, data, and technology,…

Are traces of fire use detectable in ancient hominin genomes?

PhD defence

The Case of the Painted Plaster

Shifting the Compass: Pluricontinental Connections in Dutch Colonial and Postcolonial Literature

Make sure you have a suitable place to work or study.

The School for Digital Deaf Studies 2025 is a hybrid school consisting of one week school in person in Ghana (15 - 24 August), followed by a one week school online later this year. It aims for the capacity building needed to expand academic research and education activities in digital Deaf studies,…

The quantum nature of matter and light has grown into a broad and fruitful research field for theorists and experimentalists alike. It combines foundational research with toward applications, the most well known of which is the quantum computer.

Understanding the evolving landscape of extremism in the 21st century.

Subproject of

We review the state-of-the-art in the theory of dissociative chemisorption (DC) of small gas phase molecules on metal surfaces, which is important to modeling heterogeneous catalysis for practical reasons, and for achieving an understanding of the wealth of experimental information that exists for this…

This collection, edited by Sophie Vériter, Monica Kaminska, Dennis Broeders and Joachim Koops, includes six papers exploring and investigating European responses to COVID-related disinformation, specifically the responses of France, Sweden, Germany, the United Kingdom, Serbia, and Hungary.

What are the rights of migrants in Morocco and how do this receiving state and migrants deal with them in practice?

Multinationals use loopholes in the tax treaties between different states. A possible solution would be to eliminate all these loopholes in one go by creating a central global treaty. Leiden researchers are investigating whether this kind of mega-treaty is feasible.

On this page you will find more information about the selected projects of the Justice, Equity, Diversity and Inclusion (JEDI) Fund for 2026.

Leiden Institute of Advanced Computer Science (LIACS)

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members focus on the democratic role of citizens and the representative links between voters and politicians.

The War and Peace Studies track offers you a comprehensive understanding of the historical, theoretical, and practical dimensions of war and peace, while addressing the complex challenges of conflict and peacebuilding in the contemporary world.

Below, you can find the answers to frequently asked questions about the Summer School.

Leading computer scientists from a variety of fields share their expertise and insights. Dive into the minds of these researchers and learn about real-world applications, the future of AI and related technologies and cutting-edge research. From chatbots to cybersecurity, from quantum to children's stories,…