Although exposure therapy is the gold-standard treatment of posttraumatic stress-disorder (PTSD), only half of the patients adequately benefit from it. Based on recent insights into the mechanisms of extinction, this project examines strategies and techniques to improve exposure treatment outcome in…

Enforcement of group cooperation fails because of discriminatory punishment, according to research by Welmer Molenmaker and colleagues. When group members have different backgrounds, punishment turns into a double-edged sword: no longer used just to prevent group exploitation, but also to break the…

Although graduate schools and PhD programs at various Dutch universities do provide methodological training in the social sciences, PhD students in anthropology frequently express a need for more specialized anthropology courses that provide in-depth discussions of cutting-edge theory and state-of-the-art…

Dr Karolina Pomorska has been awarded the Jean Monnet Chair “EU and the World” for three years (2018-2021). Jean Monnet Chairs are teaching posts with a specialisation in European Union studies for university professors, awarded by the European Commission in a highly competitive peer-reviewed proces…

State fragility and conflict continue to be among the most enduring development challenges of the 21st century. The consequences of fragility and conflict on individuals, States and the international community are profound. At the individual level, an estimated 2 billion people or a quarter of the world's…

A History of Modern Political Thought in East Central Europe is a synthetic work, authored by an international team of researchers, covering twenty national cultures and 250 years. It goes beyond the conventional nation-centered narratives and presents a novel vision especially sensitive to the cross-cultural…

How have British, Dutch, and German security services dealt with political violence and terrorism since the late 1960s; to what extent did they consider these new phenomena as a task and how have they developed activities in order to counter these security threats?

The Encyclopedia of Global Human Migration provides a complete exploration of the prominent themes, events, and theoretical underpinnings of the movements of human populations from prehistory to the present day.

Indonesian Law and Reality in the Mahakam Delta

The integrity and reliability of academic research are of fundamental importance to the University. All parties, both within the University and outside, must be able to have confidence that our research is conducted in a scrupulous, fair, verifiable, impartial and independent manner. To make sure you…

LUCIS promotes high-quality research on Islam and Muslim societies and actively communicates the insights and findings of that research to the larger public.

Cultural Anthropology and Development Sociology at Leiden University is renowned for its international orientation and broad range of theoretical, methodological, and regional expertise.

Indonesia is, and has long been, an important object of study for academics in Leiden in a wide range of disciplines.

What is the impact of Indonesia’s democratization process on everyday state-citizen relations?

Aristocratic dynasties have long been regarded as fundamental to the development of early modern society and government. Yet recent work by political historians has increasingly questioned the dominant role of ruling families in state formation, underlining instead the continued importance and independence…

In this study, Bibi van den Berg and Sanneke Kuipers from ISGA, explore the ways in which cyber-related incidents may lead to crises

How does the commodification and re-appreciation of the contiguous uplands of Northeast India, Bangladesh and Burma/Myanmar transform the relationship between these states and their upland citizens?

On the 15th of July Sawako Takemura successfully defended a doctoral thesis and graduated.

A defining fixture of our contemporary world, video games offer a rich spectrum of engagements with the past.

The Children’s Rights Monitor provides a thematic overview of the implementation of the UN Convention on the Rights of the Child in the Netherlands.

Els Bogaerts defended her theses on 20 December 2017.

Within the Chinese medicine, more than 80% of the constituents of the preparations are derived from plants. Like any other organism, plants are constantly interacting with their changing and often harsh environment during the various phases of their life cycle.

Our education programmes span the entire spectrum of Animal Sciences, Evolution, Biodiversity and Conservation, Microbial Biotechnology and Plant Sciences.

This study describes religion in Java.

On the 31 March 2022 Mr. Taufiq Hanafi successfully defended a doctoral thesis and graduated.

What makes a pension scheme sustainable? Most answers to this question have revolved around expert assessments of pension schemes’ affordability or adequacy. This study shifts focus from the financial or social sustainability of pension scheme designs to their political sustainability. The key question…

How Perceived (In)Visible Dissimilarity Relates to Feelings of Inclusion at Work

Gold Matters: Sustainability Transformations in Artisanal and Small-scale Gold Mining: A Multi-Actor and Trans-Regional Perspective.This project explores whether a transformative approach towards sustainability can arise in Artisanal and Smallscale Gold Mining (ASGM).

Can the offering of host community compensation help to prevent or solve siting controversies, and if so, why and under which conditions?

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

The aim of this study was to provide insight into how teachers in higher education can be supported in the design, implementation and evaluation of group assignments by developing a theoretical and evidence-based framework for the design of group assignments.

On 18 October 2022 ms. Comstock-Skipp successfully defended a doctoral thesis and graduated.

The Brazilian economy has long been defined by its enormous potential. Over the past 30 years, some of this has at last been realised. Latin America’s largest economy has rapidly risen in global importance while poverty at home has declined. Yet, despite periods of progress, Brazil remains prone to…

For the first time, a group of international and interdisciplinary researchers led by Karline Janmaat and her former MSc Student Chirag Chittar, have tested the several hypotheses on music simultaneously in a modern foraging society during their daily search for tubers – their staple food. They found…

Leiden Law School has established the Empirical Legal Studies Lab to support legal research and education using empirical methods.

What should the EU do to support Ukraine, Belarus and Moldova? How can the European Union adapt its policies towards these countries in a very difficult and challenging geopolitical context?

From 1550 onwards, a great interest in the natural world developed across Europe. This interest was not only stimulated by a growing knowledge of local flora and fauna, but also by the import of numerous exotic animal and plant species. Think, for instance, of researches and collectors like Gessner…

Latif Fauzi defended his thesis on 18 May 2021.

An investigation into how racial stereotypes were created and used in the European Middle Ages.

Our research at CWTS is organized in three focal areas. These focal areas represent our core areas of interest, as defined in our knowledge agenda for the period 2023-2028.

This book examines the history of The Netherlands in a way that connects global processes to local developments.

The complexities of modernization in Brazil and Graciliano Ramos significance for our understanding of Brazil today.

Operators in the Lexicon opens with an old chestnut: why are there no natural single word lexicalizations for negations of the propositional operator and and the predicate calculus operator all: why neither *nand nor *nall?

Can we identify different degrees of economic integration, both within and between regions, on the basis of archaeological proxies?

This study attempts to understand how indigenous community institutions pose an important role in sustainable community-based development, including the integration between local culture and development.

The National-Socialist Movement in the Netherlands - the NSB - remained the only legal party in the Netherlands during most of the Second World War.

On the28th of September Didi van Trijp successfully defended a doctoral thesis and graduated.

The global agri-food system plays a critical role in food security and environmental issues.

Arco Timmermans, Professor by special appointment Public Affairs at Leiden University, brought sience to practice by designing an “ideal” academic education programme on public affairs, to be embedded and taught at the graduate level.

Research is meant to generate knowledge, in a rational and sensible way. Many research methods exist to do this, and creativity is an important factor. Our mission is to explore creative, playful, unexpected, and unconventional forms of academic research.