Spontaneously helping one another, why do we bother? It is believed that lending a hand to others promotes social bonding, helping us to connect with each other and even build friendships. In our experiment, in which the adult researcher ‘accidentally’ dropped matches on the floor, most adolescents…

Boys with autism are more prone to develop physical complaints, depression and aggressive behaviour. Psychologists at Leiden University have discovered that this is mainly related to rumination. Publication in the Journal of Autism and Developmental Disorders.

Lecture, LIMS seminar

The Leiden Ancient History specialization concentrates on the study of the economies, societies and cultures of the large empires of the Graeco-Roman world, starting with the empires of Alexander the Great and his successors. The appearance of these empires led to the development of an interaction network…

Hanne Cuyckens, Michiel Dam, Anja van der Voort, Daan Weggemans and Paul Gobée have joined the Leiden University Teachers’ Academy. Lecturers from the academy can exchange experiences, develop themselves and share their knowledge and expertise with the rest of the university, for example through the…

Endocannabinoids - the body's own marijuana - are promising departure points for drug research. Professor of Molecular Physiology Mario van der Stelt examines whether inhibiting their production can be a way to fight inflammatory brain disease and to combat obesity. Inaugural lecture 19 October.

What was the social function of the colonial civil law courts in eighteenth-century coastal Sri Lanka? Why did people choose to have their disputes settled by Dutch law courts?

Considering the ways in which the ‘global turn’ is changing the theory and practice of historical disciplines, Explorations in History and Globalization engages with the concept and methodology of globalization, challenging traditional divisions of space and time to offer a range of perspectives on…

Festival, Citizen Science

Research often theorizes about young adults and their social media use. John Boy wants to investigate social media platforms by talking to users rather than talking about them

Medici kunnen veel repareren, maar ziekte voorkomen of uitstellen is beter. Daarvoor is vaak leefstijlverandering nodig en dat blijkt lastig. Gezondheidswetenschappers Sandra van Dijk (Universiteit Leiden) en Valentijn Visch (TU Delft) doen onderzoek naar de vraag hoe je mensen kunt helpen met gedragsverandering…

Promotores: G.R. de Snoo, B. Sinsin, Co-Promotor: H.H. de Iongh

Understanding the evolving landscape of extremism in the 21st century.

PhD defence

Lecture, LUCL Colloquium - Series '24/'25

Legal education initiative of the Leiden University, the University of Groningen and Universitas Indonesia.

The precise psychobiological mechanisms leading to chronic physiological stress responses have not been sufficiently explained, although stress is a major risk factor for disease and early death. A problem for conventional stress theory is that most of these responses seem to occur in situations without…

People already diagnosed with a mental disorder before the COVID-19 pandemic did not show a disproportionate increase in symptoms afterwards. This is one result from the first systematic review of longitudinal studies following their study population from before to during the first eighteen months of…

The endogenous compound anandamide – often referred to as the body’s own marijuana – plays a role in erasing memories of a traumatic event. This was discovered by an international team led by Leiden chemist Mario van der Stelt. The results have been published in Nature Chemical Biology and may provide…

Lecture

Three students in Elpine de Boer’s class “Practicing Religious Studies” have been working together on a “Leren met de Stad” (“Learning with the City”) project with community centre Morschwijck, located in Leiden. The students were asked by the organization Incluzio to investigate to which extent cultural…

People who have taken antibiotics in the past three months pay more attention to negative facial expressions, according to research by postdoc Katerina Johnson and assistant professor Laura Steenbergen. This may explain how antibiotics increase the risk of developing depression.

Not one, but two initiatives won this year's Van Bergen prize. The prize was awarded during the university's Diversity symposium on 22 January. One of the winners is OpenUp, an interactive symposium on coping with stress and fear. Students are invited to tell their stories. The Hague Campus' study advisers…

Doctors should work with patients with bone and soft-tissue tumours to find the best personal treatment strategy says Prof. Michiel den de Sande. He has developed an app that helps choose the right treatment. Van de Sande was appointed Professor of Orthopaedics with a particular focus on paediatric…

Lecture, LUCIS What's New?! Series

Political games have existed throughout history, but what is the role of 'play' in the way the American political world has developed? University lecturer Sara Polak has received an ERC Starting Grant to investigate this.

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We carry a profound responsibility for our research animals and strive to provide them with the best possible quality of life. In our studies, we make every effort to avoid and minimise discomfort for the animals. Below, you can learn more about how this is put into practice.

The central subject of this dissertation is the influence of Fichte’s theory of self-consciousness on Søren Kierkegaard's philosophical notion of the self in the way Kierkegaard describes the self in his philosophy in the writing 'The Sickness unto Death' (1849). The main question this dissertation…

Positive expectations can influence sensations of itch and evoke placebo effects, whereas negative expectations can trigger nocebo effects in itch. There is evidence that placebo effects can occur even when people know that they are taking a placebo. Little is known about how these so-called open-label…

Young children, adolescents and students may experience learning difficulties as a result of lack of sleep. Dr Kristiaan van der Heijden investigates sleep problems and solutions for various age groups.

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Research facilities within reach of LIBC members:

As a supervisor, you play a vital role in guiding and supporting your PhD candidate throughout their academic journey. Here are some important responsibilities and steps you need to consider.

In the specialisation Clinical Psychology, part of the Master in Psychology, you gain extensive knowledge on the asessment and treatment of mental disorders.

LUC has unique support systems for academic support but also personal support to guide you through your time at LUC.

Online content can be harmful to democracy and the self-regulation approach is no longer adequate, claims Professor Tineke Cleiren in an opinion piece in Dutch newspaper de Volkskrant.

To assess the impact of illicit firearms trafficking on gun violence, this research looks at the scope, characteristics and contexts of firearm violence, and also the scope and nature of firearms trafficking in Europe since the new millennium. Nils Duquet, Dennis Vanden Auweele and Marieke Liem created…

The new minor ‘The (un)just society’ will start in September 2024. We asked Judi Mesman some questions about this new minor.

School pupils are all different, which is why there is differentiation in our education system. This can be seen in pre-university education and lower vocational schools, and also takes the form of ability groups in junior schools. But according to Professor by Special Appointment Eddie Denessen, differentiation…

As chief economist, Bolhuis will conduct research on topical economic issues. Besides this position, he will remain active as a lecturer at the Department of Economics at Leiden Law School.

Regulating Relations: Controlling Sex and Marriage

Ruling Overseas: Connected Practices of Governance of Law

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?

As coordinator and lead promoter respectively of the Leiden Healthy Society Center, psychologists Sandra van Dijk and Anke Klein use interdisciplinary collaboration to resolve the major health problems of the present day. How are they going to do that in the coming period?

Promotores: E. van Dijk, G.R. de Snoo. Co-promotor: H. Staats

In Dutch magazine De Psycholoog, Anne-Laura van Harmelen talks about the impact traumatic experiences, especially for those who are growing up.

In Dutch magazine De Psycholoog, Anne-Laura van Harmelen talks about the use of the term resilience and argues that resilience is concept that needs further explanation.

Societal challenges call for a resilient society. In taking steps towards a more resilient society, friendships play a major role. But how exactly do friendships relate to resilient behavior? In Dutch opinion magazine Vrij Nederland, Anne-Laura van Harmelen (professor Brain, Safety and Resilience at…