A seven-metre glass tunnel, filled with running water, and equipped with speakers and cameras. An artificial river for investigating what light and sound pollution do to migrating fish.

The insights leading to the present project firstly manifested themselves in 2008, when I worked with field recordings on the basis of relatively well-established notions in music composition studies, such as ‘musical material’ and écriture. With hindsight, I understand the outcomes of those first experiments…

The 2025 Dutch Parliamentary Study is a comprehensive survey of views and experiences of members of the Senate and House of Representatives. This survey, conducted by Leiden University’s Institute of Political Science, is part of a long and rich tradition of parliamentary surveys in the Netherlands.…

The effects of many treatments are determined, to a significant degree, by factors other than the medicine or treatment itself. For example, placebo effects can be equal to the effect size of for example antidepressants or painkillers. Contributing factors are the trust placed in the doctor, the expectation…

LION offers a PhD program in which candidates carry out independent research on a specific topic, culminating in a PhD thesis.

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What types of construction materials are used in the Global South, where are they, and what levels of societal services do they support? How will material use evolve under different development pathways and paradigms? What are these materials' environmental and societal impacts now and in the future,…

RAWCLIC’s main goal is to develop knowledge on the future raw materials (RMs) demand, supply and associated environmental impacts induced by the energy and digital transitions in the EU, and to support fact-based industry- and policy- decision-making enabling these transitions.

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…

To facilitate and accelerate a systemic change in society by creating a framework based on the current post-growth narratives, policies, and initiatives.

Procedural administrative law in a constitutional comparative law perspective

The Institute Council (IC) provides an important link between the Institute Board, institute committees, and staff groups (i.e. scientific staff, support personnel, permanent and temporary) and student members of the institute. The IC has an important role regarding policies, strategies and other…

HOME will search for a diversity of Palaeolithic shelters during the Late Pleistocene through informed systematic surveys and excavations of archaeological sites in East-Central Europe.

One of the major limitations in culturing complex tissues or organs is the lack of vascularization in the cultured tissue. Development of a functional capillary bed could overcome this problem.

A plasma is an ionized gas with very low electrical resistivity. As such, magnetic field lines are 'frozen in' and move with the fluid. Magnetic field lines that are linked, knotted and tangled, cannot be undone by the fluid motions.

ERC Starting Grant: The Van Manen Project. This five year project (2023-2028) is made possible with an ERC Starting Grant. It aims to (digitally) reunite all parts of the Van Manen Collection. This enables us to study it as a whole, helping us to understand the process of collection formation. More…

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Cognitive decline (amongst other problems with attention, concentration, memory) is a common symptom in patients with a variety of brain disorders and has been related to healthy ageing as well. People suffering from cognitive deficits are often significantly hampered in their day-to-day functioning…

The new cabinet threatens to cut nearly a billion euros from higher education. This not only endangers academic work, it is a disaster for the Netherlands itself. The proposed penalty on study extensions and other financial measures will heavily impact students and will reduce education accessibility.…

Farming practices, food production, and the agricultural potential of the Late Bronze Age (1600-1200 BCE) Argive Plain, Greece

Intimate Legal Interactions (ILI) is an interdisciplinary and international group of scholars who share an interest in laws governing intimate relationships – such as marriage and civil partnership, divorce, birth, death, parenthood, childcare, sexual/romantic relationships, and caring relationships…

Changing burial rites in Early Medieval Northern Gaul, 450-600 CE

Doctoral Thesis

Towns and elites in Merovingian northern Gaul, 450-650

We aim to create an innovative e-learning and virtual reality training that helps healthcare providers to optimize placebo effects and minimizes nocebo effects via their communication.

Papers in honour of Professor Annelou van Gijn

Late Antiquity is characterized by migration movements, political unrest and religious strife. The way we assess these religious conflicts is often coloured by a post-Reformation understanding of ‘religion’. In my research, I show that late ancient authors understood religion in a way that differs much…

Discover the NWA-funded project 'Crafting Resilience' and its long-term research into building a resilient societies through social interventions in eight Dutch cities.

Why, then, do governments choose to disclose intelligence and what factors shape how they do so?

Death, fire and identity in North-West Europe

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.

Peer-mentored cognitive behavioral therapy for adolescents with mild intellectual disability and anxiety disorder

The Prison Project investigates to what extent imprisonment has consequences for the relapse, health, career and intimate relations of the (ex-)prisoners.

Understanding how data derived from wearable technology can be used to identify effective changes in behaviour that are likely to result in health improvements

Comparative and Dutch Politics is one of the three organisational clusters of the Institute of Political Science.

This project combines and reconsiders all the available evidence of the Scheurrak SO1, and use new archival databases and modern archaeological techniques to shed new light on the material culture of the Baltic grain trade and the Holland shipbuilding industry at the turn of the sixteenth century.

Persistent somatic symptoms are long term symptoms that lack a clear medical explanation. These symptoms have a high prevalence where most people know someone who experiences such symptoms or they experience such symptoms themselves. Symptoms can vary greatly in and between people. While one person…

To what extent and how do identity processes influence health behavior?

Management of Impacts on Biodiversity: What are the effects of light pollution from cities and bridges and noise pollution from passing vessels and nearby road traffic on migratory fish passage and spawning in rivers?

Indigenous Latin American artifacts have attracted the interest of Europeans since the earliest moment of contact between Europeans and the Indigenous peoples of the Americas. The ERC-funded BECACO project uses an innovative multidisciplinary framework to investigate the provenance of ethnographic and…

Learning about circadian rhythms can help students to improve their sleep and overall well-being

Research in the Natural Computing and Optimization cluster covers theoretical foundations, the development of new algorithms, and interdisciplinary applications of natural computing methods.

Requirements for admission to the Graduate School and the steps described below in short are described in detail in the Leiden University PhD Regulations.

In welke mate hebben domaniale structuren de machtsvorming en nederzettingsontwikkeling in en van het gewest Holland bepaald?

The research group Intelligence and Security has been augmented with a team Policing Studies as part of the collaboration agreement with the Dutch National Police. This team is tasked with creating a more academic foundation for the current knowledge surrounding policing studies in the Netherlands,…