This project has two main aims: I. Determine when novelty promotes fear extinction. II. Discover the neurobiological mechanisms underlying these effects.

Which genes are involved in woodiness and associated traits such as drought tolerance, flowering time, stem elongation, life span, and plant herbivory, and how do these gene regulatory pathways overlap?

Access to information is a human right (United Nations, 1948). Information technology, such as search engines and recommender systems, has become the key mediator and facilitator to connect people to information (White, 2016). Conversational artificial intelligence (AI) technology is increasingly being…

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

Prediction of human (CNS) target site concentrations in health and disease In the vision of Prof. de Lange we will only be able to predict human (central nervous system, CNS) target site concentrations and effects if we perform systematic, condition-dependent, integrative, and strictly quantitative…

The NWO-funded Vidi project “American foreign policy and liberalism” challenges the idea that the United States has created and sustained a “liberal international order” since World War II. It instead explores the ways in which illiberal ideologies – such as those underpinning racial hierarchy at home…

This is an Erasmus+ International Credit Mobility project of the Faculty of Humanities with two partners in Uzbekistan.

The Social Assistance and Minimum Income Levels and Replacement Rates Dataset, assembled by Jinxian Wang and Olaf van Vliet (version December 2016), provides data on minimum income benefit schemes in 33 countries from 1990 until 2009.

Doctoral research on recent developments in museological practices by “critical” curators, interventionist artists, and personnel initiatives, focusing on ‘queering’ as an entrance point to broader intersectional issues; resulting in a report on the ‘Queer Baseline’ (to be launched in 2020), a popular…

What impact does ethnic profiling and accusations of ethnic profiling have on organisations and the border police officers working at the operational level, and what structural factors on the societal and organisational level contribute to the process of ethnic profiling? Over a period of three years…

The leading argument of this doctoral thesis is that Aristotle’s text De Interpretatione is of methodical relevance for present-day philosophical thinking. In the era of science and technology, the status of philosophy has become problematic.

Leiden LIS Budget Incidence Fiscal Redistribution Dataset on Income Inequality (2017), assembled by Jinxian Wang and Koen Caminada (Version 1, November 2017), presents the disentanglement of income inequality and the redistributive effect of social transfers and income taxes in 47 LIS countries for…

Intelligent machines are going to make ethical decisions too. Should a self-driving car be allowed to slam into pedestrians to save its passengers from a head-on collision? Should a negotiation app be able to detect stress in your opponent’s voice? And who makes these decisions: the user, the system’s…

What are the characteristics of impactful education for student application of inclusive design principles in design and technology programs?

When to launch a next-generation product in a competitive market and how much capacity should be allocated to it

This study aims to answer two main research questions: (1) What are the main predictors of work ability in employees with migraine? (2) Can we optimise work ability in employees with migraine using a web-based intervention focused on these relevant predictors?

The transition from fossil fuels and the practical changes that this entails make many demands on citizens. Emma ter Mors, a psychologist and lecturer at Leiden University, is researching the factors that contribute to public perception and acceptance of new energy technologies.

Leiden University offers ambitious students the freedom to develop their own area of expertise.

This special issue of the peer-reviewed journal Amsterdamer Beiträge zur älteren Germanistik (Brill, 2021) brings together articles that explore new digital ways of analyzing and annotating Old English vocabulary.

The university is making its campuses future-proof with measures for climate adaptation and biodiversity. You can read in the Sustainability Implementation Agenda 2023–2026 how we harvest rainwater, limit heat stress and make more room for greenery.

A research program that focuses on the development and implementation of cyber norms.

Leiden LIS Budget Incidence Fiscal Redistribution Dataset on Relative Income Poverty Rates (2019), assembled by Koen Caminada and Jinxian Wang (Version 1, February 2019), presents the disentanglement of relative income poverty measurers and the anti-poverty effects of social transfers and income taxes…

The International Institute of Air and Space Law (IIASL) offers PhD candidates the possibility to enroll in the IIASL PhD Track.

Immerse yourself: read books, listen to podcasts and watch films about racism, discrimination and the colonial past.

The specialisation Museum Studies focuses on the art museum and places it in an artistic, cultural, social and political context. Our courses, taught by art historians and museum experts, reflect on the latest academic debates and the latest insights from the working field.

The specialisations Art History and Museum Studies both engage in critical perspectives and in current practices and the development of a professional network. The specialisation Art History puts emphasis on the analysis of art works within a museal and curatorial context. Our courses, taught by art…

Behind the scenes, many different people are involved in the projects within the Brave Little Ones research group. See below for an overview of the research team.

After obtaining your bachelor's degree, you are ready for the next step: continuing your studies or entering the labour market. Completing the Urban Studies programme will provide excellent preparation for both options.

An overview with the most frequently asked questions and the corresponding answers:

Many of the journal's issues contain short contributions from practitioners of diplomacy. These practitioners' essays offer unique insights into the world of diplomacy and they serve as a source of inspiration for researchers.

How do tax treaties have to be explained and implemented, and what role does the supranational regulatory process play in this? Which objectives are meant to be used in establishing tax regulations and to what extent are such legislative practices undertaken in a goal-oriented manner?.

Evolutionary and ecological interactions affect species on genetic and phenotypic levels. This theme aims to understand these processes at multiple levels: from molecules to genomes to populations and to communities. Our research focuses on evolutionary responses to anthropogenic change, the role of…

At work and in love, shame follows us everywhere. Yet it is precisely by embracing your shame that you can free yourself from it. But how do you do that? You can learn in the new theatre lecture Shamelessly Shame-Free by Professor of Organisational Psychology Aukje Nauta.

Leiden physicists exploit self-assembly of small particles to someday create functional structures such as micro-robots from the bottom up. They have now taken an important step forward by experimentally realizing joints at micrometer scale. Publication in Nanoscale.

Museum Night on Saturday 28 May is a good opportunity to discover the unique museums in Leiden. Thirteen museums will open their doors and give visitors the chance to experience these locations in a different light.

On 1st July Austria will assume the rotating presidency of the Council of the European Union. An appropriate occasion to invite former president of Austria Heinz Fischer to deliver the eighth Europa Lecture on Friday 8th June. During the lecture Mr Fischer shared his views on the history of his country…

All supermassive black holes in the centres of galaxies appear to have periods when they swallow matter from their close surroundings. But that is about as far as the similarities go. That's the conclusion reached by British and Dutch astronomers from their research with ultra-sensitive radio telescopes…

An international team of scientists including Leiden's Joe Callingham has discovered nineteen red dwarf stars that unexpectedly emit radio waves. The outbursts possibly originate from interaction with exoplanets. The results of the research appear in two scientific publications.

From sponsored runs to festivals and from open days to concerts: Leiden University hosts lots of events each year. We are highlighting six of them for 2023.

Ontwikkelen van een vaccin tegen aderverkalking

Arco Timmermans, Professor by special appointment Public Affairs, discusses the lobby that is just getting under way and is aimed at the political parties' manifestos for the upcoming election in March 2021.

Two research projects focused on democracy and citizen collectives have been awarded grants through the 2024 round of the National Science Agenda’s (NWA) ‘Onderzoek op Routes door Consortia (ORC)’. Each project will receive around €6.8 million to get started immediately.

Academics increasingly face threats, intimidation and abuse. The WetenschapVeilig platform has been launched to address this. Academics who are being threatened or intimidated can seek help from the platform 24 hours a day. It’s good that we now have this platform. But at the same time, it’s awful that…

That a parrot can copycat sounds is nothing new. But vocal learning is not common in animals. Researcher Carel ten Cate of the Institute of Biology Leiden (IBL) of Leiden University has now discovered a duck species that can imitate sounds. ‘It started with an obscure reference about an Australian musk…

Leiden’s ‘Learning with the City | On Location’ knowledge store opened its digital doors in Leiden-Noord on 8 February. This is where students, residents and professionals can work together on social issues.

Professor Herman Paul has been appointed Scientific Director of the Institute of History from 1 February 2025. ‘Especially in these times, transparency is essential.’

Claartje Levelt was appointed Scientific Director of LUCL on 1 September. We want to create new opportunities, especially now.’