What is the relation between brain development and social and cognitive development across childhood, adolescence and adulthood?

Social anxiety disorder is one of the most common disorders in children and young people. Social anxiety is characterized by excessive fear and avoidance of social situations. The primary fear in children with social anxiety is that they will be negatively judged by others. To date, the most frequently…

When does radicalization not lead to terrorist attacks?

The VVI seeks to advance knowledge of the formation and functioning of legal systems in their social contexts, the impact of these systems on society and vice versa, their effectiveness in governance, and their contribution to development.

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How can we connect quantum technology and society for an open debate on its future implications and applications?

Research into the development of privacy-friendly care games for children.

How can we improve quality of life and study success in young, high-functioning adults with autism?

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…

The prehistory of communication metaphors

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

A warm welcome to the Graduate School of Social and Behavioural Sciences at Leiden University.

The master's specialisation Child and Adolescent Psychology consists of three main parts: the mandatory and elective courses, a thesis and an internship.

This project investigates which aspects of social media content adolescents attend to and how these relate to their credibility judgments, aiming to systematically understand their susceptibility to misinformation and inform effective educational programs that foster youth’s resilience to misinforma…

We are pleased to announce that the ENPAIR Conference 2026 will be hosted and organized by colleagues from the University of Prešov, Slovakia. The conference will take place on 17–18 September 2026 at Galéria Umelka in Bratislava, capital city of Slovakia. The conference the will be:

Speeches and speech acts have been crucial in settling the question at the centre of every political debate: who gets what, when and where?

The Sustainability in Education group is a diverse network of scientists, researchers, educators, and other interested employees at Leiden University who share an interest in fostering and celebrating sustainability in education.

eLaw examines the role of law in the information society: how can law contribute to the proper functioning of information and communication technologies, and their use by citizens, businesses and governments?

PhD defence

Study of human cultures using computational approaches

Associate Professor Carolien Stolte has been appointed visiting professor at the Royal Netherlands Institute in Rome (KNIR). Stolte will continue her research into global peace movements there during the coming semester.

Tim Koopmans is one of the great minds in the history of Dutch and European legal scholarship. He taught law as a professor in Leiden and other universities, among which Ghent, Cambridge, Utrecht. He practiced it as a judge in the European Court of Justice and Advocate-General in the Dutch Supreme Court,…

This abrupt climate change of 8200 years ago (the so-called 8.2k calBP climate event) has received wide attention among natural scientists, also because of today's rapid climate changes and their impact on our own society. The archaeological implications, however, have not been investigated so far.…

Here, you can browse the publications of the Navigation Lab Leiden:

During the two-year History Research Master's programme you will learn from inspired academics and learn how to conduct high quality research.

You can find some tips here on how to maintain your mental health.

Research into depression in children, Leiden alumni in the Dutch House of Representatives and an exceptional achievement by one of our students: what do this topics have in common? They are among our most read stories of 2021.

Research conducted in this group aims at furthering our understanding of how communities and individuals deal with social change, conflict and trauma through remembrance and commemoration as well as forgetting in the arts.

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…

In 2024, many of our students and staff won great prizes and secured important research grants.

What is the Fine Mechanical Department?

The Faculty of Archaeology was honored by a visit by the Ambassador of the Sultanate of Oman. Ambassador Sheikh Dr. Abdullah Salim Hamed Al Harthi had heard of the Faculty's research projects that currently take place in Oman and wanted to learn more about the archaeological activities.

Read all the study choice tips and take the tests to get to know more about yourself. These tests can give you insight into your interests, competences, values and personality. That can help you make your study choice.

The Institute of Psychology is committed to play a prominent role in teaching and research at the national and international level.

When negotiating a salary or a purchase, negotiators often make strategic use of emotions. Social psychologist Zi Ye demonstrates how one negotiator might fake happiness, exaggerate disappointment, or conceal anger — and how the other side may either appreciate or disapprove of such emotional tactics.…

Andreas Häuselmann and Eduard Fosch-Villaronga from eLaw - Center for Law and Digital Technologies wrote an article on the legal and regulatory aspects of emotion data and presented it to the Affective Computing + Intelligent Interaction (ACII ‘23) Conference held at MIT. Andreas Häuselmann also hosted…

Op maandag 1 april 2024 stierf onze leermeester, vriend en gewaardeerd collega Dr. Alexander Hendrik de Groot (Sander).

Excessive regulatory burden causes economic harm and can undermine trust in government. Policymakers wishing to ease this should be more mindful of people’s differing responses to rules, says PhD candidate Ritsart Plantenga in his dissertation.

Professor of Law and Society Maartje van der Woude is searching for innovative ways to facilitate dialogue about topics that are usually experienced as ‘difficult to talk about’ – such as racism, ethnic profiling, exclusion, crimmigration – with a wide audience.

Professor of Cognitive Psychology Mariska Kret studies how humans and animals express emotions. Comparisons between humans and great apes offer important evolutionary insights, Kret will say in her inaugural lecture on Friday 9 September.