Studies of perceptual decision-making typically present the same stimulus repeatedly over the course of an experimental session but ignore the order of these observations, assuming unrealistic stability of decision strategies over trials. However, even ‘stable,’ ‘steady-state,’ or ‘expert’ decision-making…

Department of Notarial Law.

The following students have been part of LAPP:

Birmingham and Leiden, as cities and as seats of global universities, shaped and were shaped by, empire. Both institutions have started to reflect critically on this legacy.

The Resilience Center Leiden investigates how stress impacts the mental health of young people. For that, the team studies a multitude of factors, such as childhood experiences, the social environment, psychological factors, and neurobiological factors. With this multidimensional approach, we aim to…

The Alumni Office maintains contact with Leiden University alumni and organises University activities for alumni, as well as facilitating and supporting the faculties and the study and alumni associations.

Serious forms of anxiety concerning other people’s opinions can hinder teenagers at school in social interactions or carrying out tasks. Psychologist Anne Miers is looking for ways to reduce this so-called ‘social anxiety’.

The Mycenaean civilization of ancient Greek times offers enormous potential for useful information: from innovative construction methods to ways of handling crisis situations as a society. Archaeologist Ann Brysbaert and her team analyse Mycenaean construction processes in the ERC Consolidator project…

Meet the core staff behind Global Transformations and Governance Challenges, which consists of a Professor, a postdoctoral researcher, three PhD candidates, and a Programme Officer.

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.

SALTSWAT -- a project which combines the Spaces for Active Learning & Teaching and the Support wtih Active Teaching -- began in Mid-2019 and is running in pilot until the summer of 2020. The purpose of the project is to find answers to the question of how to systematically accelerate 'active teaching…

Annually the Institute of Cultural Anthropology and Development Sociology awards the Speckmann prize for the best Fieldwork NL report, as well as the most accomplished master’s thesis.

The Institute Board is responsible for the overall management of the institute, as well as the administration and organization of the institute’s teaching and research activities. Research and education are managed collaboratively, with strategic input from various representatives and groups, including…

Perec’s Lieux project consists of texts describing the author's places of memory, photographs, personal documents and ephemera collected in the street.

Every day, we make numerous decisions, from choosing what to eat to how we interpret the world around us. Traditionally, researchers have assumed that a key part of our decision-making process, namely the decision criterion, stays stable over time. However, increasing evidence suggests that instead…

On Friday 16 May Juul Eijk successfully defended a doctoral thesis and graduated.

Negative perceptions of ambiguous social cues, social performance and physical arousal in socially anxious youth

This report highlights the huge potential of public inquiries to ensure that lessons are learned from COVID-19 to help the UK prepare for a future pandemic.

The Institute Council consists of scientists, lecturers, support staff and students. They provide a forum for discussing the institute’s current situation and its prospects.

The figure of the ‘politician’ occupies a central yet fraught position in the media landscape of contemporary Europe.

Current social norms are unsustainable, making behavior change crucial for addressing the climate crisis. Social norms can shift rapidly after tipping points, but these are often only recognised in hindsight. To promote change, we need better predictive power, i.e. ability to detect early warning signs…

Journal of Imperial and Global Interactions

We teach several courses in the domain of Mind, Brain, and Education.

Archaeozoology is the study of faunal remains that are recovered at archaeological sites.

On Tuesday November 25, 2025, Prof. dr. Sarah Cramsey traveled with students from her masters seminar on “New Approached to the Holocaust in Central and Eastern Europe” taught at the History Institute to Amsterdam for a unique opportunity. There, Ms. Lotte Sophie Groenendijk, an alum of the History…

Research projects for students of the University of Leiden and other Dutch Universities are often available at the MacBio group. The research lines are also described in the Research section. For details of specific projects contact the supervisor (Ubbink, Dame, Boyle, Jeuken or Wentink).

Starting in September 2026, Leiden University in The Hague will begin establishing a new Knowledge Centre for Kingdom Relations. In addition to bringing together researchers and developing education on Kingdom relations, the goal is to contribute to the public debate and foster greater mutual understanding…

Why does social anxiety increase in adolescence and how does it grow out of control in some adolescents?

Our team is involved in the translation and adaptation of several questionnaires, for research purposes. Information about each questionnaire is listed below.

Leiden alumni find work in all kinds of interesting places. We gather the stories of our alumni and publish then regularly in our alumni newsletter and in Leidraad magazine. You can find all their stories on this page. They give a good impression of what life is like for Leiden alumni after they have…

This project tries to explain the persistence of this cultural repertoire by zooming in on (1) interaction between idioms (cultural repertoires) available to scholars at certain points in time, (2) mechanisms that help transmit repertoires across time and place, and (3) rhetorical purposes for which…

The central theme of the NWO-project ‘The Promise of Organization’ is the evolution of political organization during the 19th century. We focus on the enthusiasm, arguments and concrete activities of the organizers as well as the criticism offered by opponents of modern political organization.

The LED3 hub, consisting of researchers from the Leiden Institute of Chemistry (LIC), the Institute of Biology Leiden (IBL), the Leiden Academic Centre for Drug Research (LACDR) and the Leiden Institute of Advanced Computer Science (LIACS), is very excited to organize the “LED3 Lectures”. This lecture…

Excerpta archaeologica leidensia: Corrie Bakels & Hans Kamermans (eds) (2015)

On the 30th of September Christine Ketel successfully defended a doctoral thesis and graduated.

Do you have questions about the International Bachelor in Psychology? Please contact us.

Do you have questions about the Astronomy master’s programme? Please contact us.

Develop a prototype combined chemical-microbial enzymatical process for the sustainable, green recycling and revalorization of polyamides and polystyrene

This book explores the intellectual history of the Dutch empire from the sixteenth century to the postcolonial era, going beyond systemic thinkers to understand how empire was perceived in day-to-day life. It takes a transnational and transimperial approach to the Dutch empire, connecting European,…

On this page you can read about our keynote speakers.

Can we develop a generic method for Quan/Qual analysis of small molecule drugs, their metabolites and endogenous metabolites in (pre-)clinical samples?

A key challenge in neuroscience is understanding how neurons in hundreds of interconnected brain regions integrate sensory inputs with previous expectations to initiate movements and make decisions.

The Multistakeholder Global Governance (MGG) Project is a four-year project which explores how far, and under what circumstances, multistakeholder constructions of global governance operate well, in terms of having capacity, effectiveness, and legitimacy.

This book analyses the emergence of modern parties in nineteenth-century Europe and explores their connection with the slowly developing institution of democracy.

Developmental and Educational psychology is concerned with the developmental course and dynamics of cognition, self-regulation, and emotional competence, and the implications for educational and clinical practice.

We investigate the physics and design of mechanical metamaterial, intricately sculpted materials with properties set by their architecture.