Terrorism experts Daan Weggemans (Leiden University) and Beatrice de Graaf (Utrecht University) conducted one of the first scientific studies on the societal reintegration of jihadist former detainees. They showed that the reintegration process isn't without problems. Their conlusions are presented…

This programme video is presented in Dutch

In this special edition of Information Polity there is a focus on the transparency challenges of using algorithms in government in decision-making procedures at the macro-, meso-, and micro-levels.

Study information

On 27 January 2022 Tjahjono Prasodjo successfully defended a doctoral thesis and graduated.

This book is an examination of why and how the elective principle, already established in Transylvanian and Polish political culture in the late medieval period, was transformed in the early elections of the 1570s.

In Migration and Membership Regimes editors Ulbe Bosma, Gijs Kessler and Leo Lucassen bring together ten essays in an analytical framework which looks beyond the Transatlantic migration of the nineteenth and twentieth centuries in a deliberate attempt to incorporate the experience of earlier periods…

This book is the first comparative study of estimative intelligence and strategic surprise in a European context, complementing and testing insights from previous studies centred on the United States. It does extensive empirical analysis of open-source material and interviews in relation to three cases…

In the programme ‘Furthering Public Leadership’ the Leiden Leadership Centre has partnered with seven public organisations in researching and developing public leadership in practice.

In this project, we seek to assess, map and understand the risk factors associated with fatal domestic violence.

How do videos, movies and documentaries dedicated to indigenous communities transform the media landscape of South Asia? Based on extensive original research, this book examines how in South Asia popular music videos, activist political clips, movies and documentaries about, by and for indigenous communities…

Here you'll find selected publications and media attention from our group.

The Executive Committee consists of the following members:

The Assyrian Empire was the first state to achieve durable domination of the Ancient Near East, enduring some seven centuries and, eventually, controlling most of the region. Yet, we know little about how this empire emerged from a relatively minor polity in the Tigris region and how it managed to consolidate…

In a modernist interpretation of migration controls, nation states play a major role. This book challenges this interpretation by showing that comprehensive migration checks and permanent border controls appeared much earlier, in early modern dynastic states and empires, and predated nation states by…

This research project focuses on the interaction of Buddhist institutions, Chinese central and local governments, and local gentry in the 'transforming temples into schools' movement.

This open access book explores the role of continuity in political processes and practices during the Age of Revolutions.

The remains of Dutch East India Company forts are scattered throughout littoral Asia and Africa. But how important were the specific characteristics of European bastion-trace fortifications to early modern European expansion?

The Archaeology of Imperial Landscapes examines the transformation of rural landscapes and societies that formed the backbone of ancient empires in the Near East and Mediterranean. Through a comparative approach to archaeological data, it analyses the patterns of transformation in widely differing imperial…

In this project, we use social network analysis to analyze the behavior of users in online forums and associated marketplaces over time.

Zijn sociale aspecten van anxiety-like gedrag bij zeer jonge zebravissen al aanwezig? Zijn deze afhankelijk van de coping style (persoonlijkheid) van het individu? Zijn deze gedragingen endocrien te moduleren, bv door oxytocine?

Social resilience and security has never been more important. Over the last 2 years, the COVID-19 pandemic has created a considerable disturbance to our personal and social lives. As a result, the general population reports more stress, loneliness and decreased quality of life. At the same time, there…

All children deserve a promising start. Most children are doing fine. But some need extra support, because of problems during pregnancy or because they grow up in disadvantaged circumstances, e.g. due to poverty, parental addictions or psychological problems.

In the past years access to EU law has been significantly enhanced via services such as EUR-Lex. This development not only allows for easy retrieval of individual legal acts, but for collecting information about the evolution of EU law in the aggregate as well.

How did institutions and structures operate throughout the Muslim world from the earliest history of Islam into the early modern period?

Acta Politica is the official journal of the Dutch Political Science Association.

This study examines how European state administrations responded to transboundary crises over the past 30 years and the extent of their successful adaptation.

Leiden psychologist Wilco van Dijk and communication scientist Jaap Ouwerkerk of VU University Amsterdam published a book about the emotion Schadenfreude. The authors describe what the emotion Schadenfreude really is, when people experience the emotion, and what role it plays in social relations.

Do objectively correct solutions to ethical dilemmas exist? Or is ethics always a matter of your opinion against my opinion? How do you know what to do? What kind of thing is ethics anyway? Can you be an expert in ethics?

Subproject of

The research involves the application and combination of archaeological and archaeometrical methodologies. Petrographic analysis and isotopic provenance studies of raw materials and exotics, and the study of the distribution patterns of these materials are used to gain insight into the exchange of goods…

Time, Agency and Memory in Ancient Mexico.

Are terrorist suspects willing to reintegrate back into society? Can they reintegrate?

A theoretical project on the insights gained by human (including infant), nonhuman animal and computational studies on artificial grammar learning; identifying the critical questions for future research by developing novel experimental and computational approaches to address these issues.

Members of our research team give different types of presentations and lectures.

Our research regularly receives attention in the (Dutch) popular media. Here is an overview.

This research deals with the royal houses of the Vijayanagara Empire and four of its successor states: Ikkeri, Tanjavur (under both the Nayaka and Bhonsle rulers), Madurai, and Ramnad. This study is thus concerned with dynastic politics and imperial legacies in south India between the 14th and 18th…

The bachelor's programme in Psychology in Leiden covers the full breadth of psychology. Our bachelor's students have the opportunity to specialise. Our master's students prepare themselves for a career as a ‘scientist - practitioner'. In the one year master's programme the emphasis is on practise; in…

Linda Stuckrath Gottschalk defended her thesis on 6 April 2016.

The research programme History and International Studies 1900-Present addresses the interconnections and interdependence of contemporary global political, economic and cultural affairs from a multidisciplinary perspective rooted in the humanities.

In 2023, many of our students and staff won great prizes and secured important research grants.

he master’s programme in Psychology focuses both on in-depth study of theory and on the acquisition of professional and research skills. The distinctive feature of the Leiden master’s programme is that the teaching is not restricted to only the functioning of psychological processes; these processes…

The institute hosts criminal lawyers and criminologists who engage in high-quality scientific research that is also relevant for society.

Organisation of settlement space and residence rules among the Taino, the indigenous people of the Caribbean encountered by Columbus

Beyond Boundaries: Religion, Region, Language and the State is a major multidisciplinary research project which aims to re-vision the history of Asia in one of its most significant periods. The project is based at the British Museum, British Library and the School of Oriental and African Studies, and…

Eveline Crone: 'Many thanks to my amazing Brain and Development Research Center colleagues. I am so thankful for the 15 fantastic years. It is also extremely exciting and energizing to start at Erasmus University Rotterdam with the Society, Youth and Neuroscience Connected SYNClab.'

On 31 January 2014 Professor Willem Heiser (Psychology, Statistics and Data Theory) was awarded the distinction of Knight in the Order of the Dutch Lion. After his farewell lecture he received the royal honour for his exceptional academic, social and administrative achievements.

Efficiently responding to others’ emotions has great survival value, especially for social species, such as primates, who establish close, long-term bonds with group members. The closest living relatives to humans are the chimpanzee and the bonobo. Studying these species, and comparing them on the exact…