The Faculty of Archaeology's own home-grown journal Inter-Section has released a new volume. Inter-Section offers students and PhD candidates the unique chance to publish in a peer-reviewed journal. The new volume focuses on the materials that shape our world.

Practical advice, a panel discussion, and an informal networking reception: students and alumni from the MA International Relations can look back on yet another successful event last April. The diverse backgrounds and careers of the alumni vividly illustrated the range of opportunities awaiting students…

In this thesis, we use low-frequency and high-frequency radio observations to address the following questions regarding quasars: is the radio loud/quiet quasar dichotomy real?

Promotores: Prof.dr. B.R. Katzy, Prof.dr. K. Sailer (Munich University)

This thesis investigates how quantum, quantum-inspired, and hybrid quantum-classical computation can enhance key points of the automated machine learning (AutoML) pipeline under the constraints of noisy intermediate-scale quantum (NISQ) devices.

This thesis investigates opinion dynamics on random graphs through the lens of the voter model, a classical interacting particle system used to describe how consensus emerges in networks.

On this page you will find more information about the selected projects of the Justice, Equity, Diversity and Inclusion (JEDI) Fund for 2023.

Why did 'character', 'habit', and 'virtue' serve as key terms in late 19th and early 20th-century scholarly correspondences, biographies, and obituaries? Why did scholars around 1900 display so much interest in the working habits and character traits of what they called the 'scholarly self'?

The Belgian elections are over. Now it is up to the formateur to form a cabinet, but that is difficult. Fauke Deceuninck, program leader of Politics and Governance at the Center for Professional Learning, explains to Speechmakers why that is.

What's it like to participate in the Leiden Leadership Programme? Alumni share their experiences: 'You learn things about leadership and can immediately put them into practice.'

Are the types of school non-attendance which have been evidenced in typically developing youth also found among children and adolescents with an intellectual disability (ID)? If so, which types are most prevalent and thus in greatest need of attention, and what factors (child, family, school/environmental)…

How German Jews used photographs to document their experiences in the face of National Socialism.

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

People with a mild intellectual disability (MID) experience more loneliness than people without MID. In the COLLELO project, researchers from social and humanities disciplines collaborate with people with MID and their (in)formal networks to create an (online) learning community that aims to understand…

How interdisciplinary teaching supports the development of students’ competencies

On Wednesday 25 June 2025 Dechun Zhang successfully defended a doctoral thesis and graduated.

Why do sexual violence policies still fail to systematically address men and masculinities, when the need for cultural change among men has been central in public debates since #MeToo?

How do humans construct their self?

This subproject of 'From Homo Economicus to Political Animal' analyzes Greek economic thinking of the Hellenistic period.

This study is a critical discourse analysis of the misogynistic narratives shared by three incel violent extremists.

Welcome to the Graduate School of the Faculty of Humanities.

On 23 April, Sheila Haji defended the thesis 'The shadow side of positive organizational change: practitioners’ experience navigating dialectical tensions in appreciative inquiry'. The doctoral research was supervised by Jan Adriaanse, Mark Dechesne and Renee Heath.

Eduard Fosch-Villaronga, Marie Skłodowska-Curie Postdoctoral Researcher at eLaw- Center for Law and Digital Technologies, just published a book on Robots, Healthcare, and the Law. Regulating Automation in Personal Care.

Resilient future generations that will shape a healthy society.

Having open conversations about diversity and inclusion is an important first step towards change. Yet, such conversation can be emotional and vulnerable, and at times uncomfortable to initiate and sustain. The 'What’s Your Story?' Card Game aims to enable participants to exchange and respond to stories…

'Psychologists think I’m a linguist but linguists think I’m a psychologist,' says cognitive neuroscientist Xiaochen Zheng. With the Veni grant she will be able to bring these two fields of research closer together. Read her answers to five questions.

Young children exhibit more aggressive behaviour if their nervous system fails to respond adequately to stress situations and if they are exposed to risk factors such as smoking or psychological problems experienced by the mother during the pregnancy. This is the conclusion of PhD candidate Jill Suurland.…

Populist opposition parties are less likely to engage in policy-making behaviour (participating in or directly influencing legislative production) and somewhat more likely to engage in scrutiny behaviour (monitoring and criticising government actions).

This thesis takes steps toward understanding the interaction between gas-phase and solid-state molecules in star- and planet-forming regions.

The idea that socially anxious people avoid eye contact because they are not interested in other people needs to be changed. They take their information from other physical sources, such as people's hands. This is the finding of Leiden psychologist Mariska Kret whose research has been published in…

Lecture

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:

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

Energy transition will entail the construction of large numbers of new energy installations. Such construction projects may meet with opposition from people living close by. Assistant Professor Bríd Walsh investigated how the local community can best take part in such projects.

Lecture, Ancient History Research Seminar

The New Scientist magazine has selected two young Leiden scientists for its Top 25 Young Talents in the Netherlands and Flanders: historian Karwan Fatah-Black and neuropsychologist Mariska Kret. Who will be the winner? You can vote for one of them!

Disruption to the gut flora can affect your mental health. How could this knowledge be used to prevent stress-related disorders? This is what psychologist Laura Steenbergen will investigate with the aid of a project grant from the Leiden University Fund (LUF) and the Gratama Foundation.

Promotor: S.M. Verduyn Lunel, Co-promotor: O.W. van Gaans

Promotor: F.H.J. Redig, Co-Promotor: W.T.F. den Hollander

It may seem as though adolescents do as they please, but they are more sensitive to their parents’ opinions than they would appear. The adolescent brain reacts strongly to parental criticism or praise. These are the results of a study by an interdisciplinary research group of psychologists and neuroscientists…

The Leiden Institute for Brain and Cognition (LIBC) is concentrating increasingly on research into the role of the brain in language development. The institute has now set up the LIBC Language website that brings together all the information on this research.

What should a confederal constitution for the EAC look like? What are the legal challenges for making the African Free Trade Area (AfCFTA) work? And what insights can be drawn in this context from the successes and failures in the EU?

In this dissertation non-parametric Bayesian methods are used in the application of robotic vision.

How effective is eye movement desensitization and reprocessing therapy in targeting epilepsy-related anxiety?

If a society is to be secure, sustainable and resilient, conflicting interests must be reconciled. Researchers at Leiden University study the behaviour of individuals, groups and states in relation to this issue, and use their knowledge to promote equality within and between communities.

It has been found that the better a prisoner is treated, the more effective the sentence. Leiden criminologists therefore research how detention can be improved in such areas as prison life and contact between prisoners and their children.