How you think about yourself is important for the choices you make. Adolescents are faced with choosing a study programme that will determine their future, while their self-image is still under development. Tough choice? Research by psychologist Laura van der Aar has shown that taking a training course…

The placebo effect was completely new to her when Lingling Weng began the PhD project in Leiden. She is now a postdoc in China. 'It would be great to investigate the underlying mechanisms of placebo and nocebo effects with my current knowledge of EEG and fMRI.' PhD defence on 17 October.

Arbeidsuitbuiting van migranten wordt als een vorm van het strafrechtelijke delict mensenhandel beschouwd. De rechtspositie van de slachtoffers is mede daardoor ondergeschikt aan de strafrechtelijke procedure. Dat kan en moet anders, stelt Gerrie Lodder in haar proefschrift. Promotie op 21 april 202…

What developments preceded modern Standard Dutch? PhD candidate Iris Van de Voorde conducted research on ‘pluricentricity’, or the idea that language norms arise in different places and spread outwards from there. PhD defence on 19 April.

How do you recount historic events if you are not allowed to talk about them? For his dissertation, Taufiq Hanafi tried to find out how a period of mass murder – despite heavy censorship – found a place in Indonesian literature. PhD defence 31 March.

Recent studies have shown that Dutch secondary school pupils experience a great deal of stress from school work, and between 2001 and 2007 the number of adolescents experiencing school stress even doubled. The study carried out by Simone Vogelaar focuses on stress factors and the effectiveness of the…

The opening of Islamic primary schools has made an important contribution to the emancipation and integration of Muslims in the Netherlands. This is the conclusion of PhD candidate Bahaeddin Budak in his research into 25 years (1988-2013) of Islamic primary schools in the Netherlands. PhD defence on…

Knowing whether or not a treatment is working just by wearing your watch? Data scientist Ahnjili ZhuParris has identified a lot of opportunities for the use of machine learning in clinical research to monitor test subjects at home.

A patent for what may be a potent, new antibiotic. And: a clear overview of promising approaches to overcome a crucial resistance tactic employed by bacteria. In the span of one week, two researchers from Leiden are receiving their PhDs, each of them on an important step in the battle against bacteria…

Alumnus Anoma van der Veere did Japanese studies and talks in this interview about his studies in Leiden and his work as a researcher at the Leiden Asia Centre and as Japanese correspondent in Tokyo.

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

Hordes of photographers, students trying to catch a glimpse and take selfies, and cheering people at the entrance to Wijnhaven. Canadian Prime Minister Justin Trudeau and Prime Minister Mark Rutte were received like true pop stars, in the late afternoon at Leiden University’s Campus The Hague.

Is the right to choose your healthcare provider protected in the Dutch Constitution? What are the consequences then for the Dutch healthcare system? PhD defence on 5 July 2022.

Music venue Paradiso, the Keizersgracht Church and the Artis Zoo’s aquarium: these buildings all owe their design to architects Gerlof Bartholomeus Salm and Abraham Salm. Remco van der Kuijp researched the place of father and son in architectural history. PhD defence on 25 March.

After working full-time for twenty-four years, Wendy Tonks decided to enrol in the executive master's in Cyber Security. She now proudly reflects on her time in the programme after receiving a ten for her thesis and graduating summa cum laude. ‘I could not believe it when I got my grade.’

Purple clothing and a pride flag flying from all University buildings: Leiden University is once again taking part in Purple Friday. How do people experience this day? We asked some employees and students of the Faculty of Humanities.

The annual commemoration of the nation’s war dead on Dam Square and at Waalsdorpervlakte, the Dutch apologies for historical slavery and the Cleveringa Lecture itself: our relationship with history is often ritualistic, Cleveringa Professor Frank van Vree will say in his inaugural lecture on 27 Nove…

Staff at Dutch youth care services sometimes put parents under pressure to cooperate 'voluntarily'. There are instances when children are removed from the home without the approval of the court. This may have some benefits from the perspective of the support services, but in legal circles there are…

In the upcoming months, we’ll talk to students of the FGGA faculty who have finished their internship. What did the internships bring them? And what kind of work did they do? In this interview we speak with Justin Spuit, a Master’s student Political Science: Dutch Politics and International Relations:…

Prof. dr. ir. Bas Rietjens of the Dutch Defense Academy (NLDA) has been appointed Professor by special appointment Intelligence in War and Conflict at Leiden University’s Institute for Security and Global Affairs (ISGA). The appointment of Rietjens is the result of a more intensive collaboration between…

Psychologist Bernou Melisse was shocked at the long waiting lists in the Netherlands for people with binge-eating disorders. The problem was not yet on the map in Saudi Arabia. She therefore decided to study how people suffering from binge eating can be helped better in their own region of the world.…

Prisoners who are visited regularly by family or friends are less likely to be reconvicted in the short term than inmates who rarely or never receive visits. Visits should therefore be encouraged and facilitated, according to PhD candidate Maria Berghuis, who will defend her doctoral thesis on 23 June…

The annual New Year Lecture for Honours College Law took place on Friday 17 January. This year’s speaker was Barbara Zwirs, author and former assistant professor in criminology at Leiden Law School. Her lecture got 2025 off to an inspiring start.

Marlon Titre (1982) studied at Royal Conservatoire The Hague, did his PhD and studied at Leiden University, earned several other qualifications and is now, among others, Director of Filmhuis The Hague. Who is this multi-talent?

War and peace studies. A topic that is more relevant than ever because of the war in Ukraine. In September, the MSc Crisis and Security Management (CSM) will start a new track: War and Peace Studies. CSM’s Programme Director, Ernst Dijxhoorn, discusses the new track, how it was created and what students…

In donut-shaped buildings, particle accelerators take super-detailed X-ray images. Yet those images are not good enough to learn how to drive on hydrogen for example. Mathematics PhD student Allard Hendriksen has developed an algorithm that improves the images without having to learn from data from…

Did you know that PhD candidates are also alumni of your alma mater? High time to put a PhD alumna and her research in the spotlight. Besides, this month our UNICEF Chair in Children’s Rights is celebrating its tenth anniversary.

Young people influence one another to take greater risks, although it's not quite that cut and dried. This is what development psychologist Jorien van Hoorn discovered. Peers also have a positive influence on one another, an aspect that has so far been under-researched. PhD defence 12 January.

Sharing scientific data, transferring money, or sending other sensitive information online: with cryptography, applications make sure your data does not fall into the wrong hands. Mathematician Thomas Attema (CWI/TNO/Leiden University) helps with this. For his PhD research, he developed a new technique…

What do ten-year-old children and chatbots have in common? PhD researcher Bram van Dijk studied language development in both children and AI language models. ‘It’s actually quite practical that we attribute human traits to a chatbot.’

In his last week as interim cabinet minister, alumnus and outgoing Dutch Minister for Foreign Trade and Development Cooperation Geoffrey van Leeuwen set time aside to give a guest lecture at his alma mater, Leiden Law School. It was the perfect opportunity for a flash interview.

In the late 19th century, the Dutch government introduced a tax system in the Dutch East Indies, with the intention of transforming the colony into a modern state. PhD student Maarten Manse wrote his thesis on this development and discovered how grandiloquent colonial ideals became bogged down in daily…

Finding solutions to the Israeli-Palestinian conflict is the not-inconsiderable task of the new Peace Academy in The Hague. Professor Maurits Berger and twelve students from different conflict zones are starting a creative thinking process that aims to discover the basic conditions for peace in the…

"Climate citizenship” explores how adapting environments to climate change can change the way people interact with each other and with government. It focuses on nature-based or 'green' climate infrastructure projects that make use of natural entities or dynamics. With an ERC grant, anthropologist Andrew…

Forest degradation has limited the Orang Rimba's access to forest resources. As a result, they've had to make significant cultural modifications and adaptations. Ekoningtyas Margu Wardani explains in her PhD dissertation these transformation processes among Contemporary Indonesian Hunter-Gatherers through…

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

Om de weg te vinden letten sommige mensen op de omgeving, anderen onthouden waar ze links of rechts af moeten slaan. Mensen met Niet Aangeboren Hersenletsel (NAH) rapporteren navigatieproblemen. Om opnieuw te leren navigeren heeft neurowetenschapper Milan van der Kuil als revalidatietherapie een serious…

In May 2022 Lennart Kruijer succesfully defended his PhD, which he wrote as a member of the VICI Project ‘Innovating Objects’, led by prof. Miguel John Versluys. So succesfully, in fact, that he was awarded the Cum Laude honors. Just a short time later he was awarded a grant and a fellowship to further…

The rise of populist parties, the expansion of the role of the state and now the fragmentation of the Senate and the House of Representatives: Dutch political reality has changed rapidly over recent decades. These developments are in stark contrast to Dutch constitutional law that has remained almost…

How is the EU transforming from a soft power to a geopolitical actor, and what does this mean for the EU’s partners and global security? On Friday 13 December, a roundtable discussion offers students insights into these evolving dynamics, bridging theory and practice.

Women’s football is steadily gaining attention. It’s as though the sport is becoming emancipated. And yet in conversations with professional female footballers philosopher Nathanja van den Heuvel discovered that a male culture still prevails. Female footballers often feel like second-class athletes,…

Lydie Cabane, Assistant Professor in Governance of Crises at the Institute for Security and Global Affairs, recently published the book The Government of Disasters. In this book Lydie explores how the South African state bureaucracy reacts to disasters.

'Working on your leadership starts tonight,' says lecturer Sandra Groeneveld at the introductory meeting of the Leiden Leadership Programme. The programme has been renewed this year, and students are ready to dive into it: 'I hope to get to know myself.'

The democratic rule of law is under pressure due to a series of scandals and integrity issues, as seen in the recent parliamentary inquiries. Professor Ronald Kroeze explains: 'Public office holders are expected to show complete dedication, but that norm is quite absolute, and what we mean by it is…

When an international cartel is exposed, the parties involved often face punishment by more than one authority for the same behaviour. There is very little international coordination in the actions of these authorities. Pieter Huizing claims that this can, and must, change. PhD defence on 10 March 2…

There are as good as no clear rules for the return of stolen art. This means that rather than in court, many cases are decided in the political arena instead. In her PhD research Evelien Campfens suggests how this could change. PhD defence on 11 November.

A restless night aggravates symptoms in those experiencing suicidal thoughts, as psychologists Liia Kivelä and Niki Antypa have found in their study on the short-term risk factors of suicide. They argue that targeting sleep could thus be essential for suicide prevention.

Adults who were abused or mistreated as a child and consequently suffer from post-traumatic stress disorder (PTSD) can benefit greatly from cognitive behavioural therapy. This is the conclusion of a study of 149 patients. Researcher and PhD candidate Chris Hoeboer is hopeful about the results and the…

The state, and specifically the idea of nationality, is almost all-determining in social life in the Netherlands. It determines how people identify, how we interact with each other, and what (in)equality in society looks like. However, ultimately, the idea that we can divide people into different nationalities…

Damien van Puyvelde has received funding (over 47.000 euro) from a new Research Council pilot for his study 'Open-source research and the war in Ukraine: intelligence for the people by the people?' We asked the researcher five questions about this project and the opportunities this creates for him.