The role of language in self-regulation and social behavior in children with an extra X chromosome

Promotor: A. Doelman, Co-promotor: V. Rottschäfer

In 2021, Thijs Bosker and Paul Behrens — both Associate Professors in Environmental Sciences at Leiden University — received funding from the Leiden University Fund and the Gratama Foundation to develop tangible and practical exercises that help people to deal with environmental issues from a local…

On 8 December, in honour of Human Rights Week, Roeland Böcker gave a public lecture about his experiences as ambassador to the Council of Europe. Between 2017 and 2021, Roeland Böcker was the representative of the Netherlands in the Council of Europe.

Promotores: S.J. Edixhoven, P.Parent

Understanding individual differences in self-regulation in boys with ODD/CD on the level of brain, cognition and behavior

Promotor: Prof.dr. S.F. Portegies Zwart, Co-promotor: D.C. Heggie

Jelle van Buuren, Assistant Professor at the Institute of Security and Global Affairs, appeared as guest on VICE to discuss the usefulness of recent ban on QAnon.

Promotor: Prof.dr. K.J. Batenburg

Radiography is an important technique to inspect objects, with applications in airports and hospitals. X-ray imaging is also essential in industry, for instance in food safety checks for the presence of foreign objects.

In the tv show 'De wereld draait door' of Tuesday 4 February, Prof. Hendrik Lenstra, together with Prof. Barry Koren, gave an explaination of the so-called 'Millenium Problems'.

How do we know what a quantum computer is good for when it hasn't been built yet? That's what PhD candidate Casper Gyurik investigated by combining two terms you often hear: quantum computing and machine learning.

Promotor: K.J. Batenburg

The Copenhagen interpretation of quantum mechanics states that a measurement collapses a wavefunction onto an eigenstate of the corresponding measurement operator.

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 Editorial comment in the June issue of the Common Market Law Review examines three different aspects of the rule of law in relation to the European Union. Despite, or because of, the many challenges facing the Union, these questions are of continuing importance. The Union itself is based on legal…

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In this thesis, topics relating to the optimization of high-throughput pipelines used for imaging are discussed. In particular, different levels of implementation, i.e., conceptual, software, and hardware, are discussed and the thesis outlines how advances on each level need to be made to make gains…

Excessive regulatory burden causes economic harm and can undermine trust in government. Policymakers wishing to ease this should be more mindful of people’s differing responses to rules, says PhD candidate Ritsart Plantenga in his dissertation.

Can we provide the Dutch government with an integrative framework, wherein the various policies can be placed and the need for further measures can be identified?

Promotores: H.W. Lenstra, K. Belabas (University of Bordeaux)

He started his career as a part-time PhD candidate and a reading volunteer at his children's school. Now, as a professor, he looks back on forty years of research and education: Peter Klinkhamer of the Institute of Biology Leiden, ecologist in heart and soul.

Cornald Maas was able to ‘pioneer’ in Leiden. This Dutch Studies graduate, presenter, programme maker and publicist combined an active student life with studying hard.

In a world beset with war, climate problems and skyrocketing energy prices, it is good to have some 'slack time' now and then. That was Dean Mark Rutgers' message at the Faculty of Humanities' New Year reception.

The occupation of the Afghan capital Kabul by the radical Taliban movement on 15 August 2021 received enormous international attention, not least because of the crisis that soon enveloped Kabul airport as desperate Afghans sought to flee the country on evacuation flights mounted by the United States…

Leiden’s beadle, Willem van Beelen, is retiring on 29 February. How does he look back on his career and what do those in the know have to say about him?

Sleep disorders have a significant influence on our physical and emotional health. Sleep should therefore receive more attention within lifestyle medicine, says Professor Gert Jan Lammers. He will give his inaugural lecture on Friday 20 May entitled: ‘Getting to sleep’.

As you near the end of your student time, it can be daunting thinking about what you want to do after graduating. Am I ready for the job market? What are my options? Just about every student wrestles with these questions, and Lisanne and Wilbert are no exception. They called on the help of the University's…

Alumnus Francis Farrell (International Studies, 2018) works as a reporter at the Kyiv Independent, where he covers Russia's war against Ukraine. 'I experienced some crazy moments on the front line'

PhD defence

PhD defence

With the help of quantum mechanics, digital quantum hardware may be able to tackle some of the problems that are too difficult for ordinary computers. But despite these expectations and the ongoing effort of the research community, reliable quantum computers are not yet realized in a lab setting.

Students who have a chronic lack of sleep have lower grades and find it harder to concentrate. Around a third of students do not feel well rested enough to be able to study properly.

It is a full classroom: more than 30 pupils from 5 and 6 vwo are present to listen to political scientist Leila Demarest's lecture. She gives a brief introduction on the topic she is about to discuss: democracy in the global North and South. At first, the group seems a bit quiet, but when she asks questions…

Investigations conducted by several Dutch child protection bodies within family situations are inadequate. Due to lack of knowledge, time and money, these investigations are not carried out properly, with major consequences for the families involved.

The publication of the recent IPCC report on climate change has not gone unnoticed, to put it mildly, certainly not within the Liveable Planet community.

Symposium

The Rural Riches research group convenes for coffee on a daily basis. Remotely, that is, to prevent the spread of coronavirus. It is the perfect way to stay connected, exchange ideas, and socialise. ‘We now are more in touch with each other than in the usual situation when we are all at the Faculty.…

When university lecturer Martine Bruil was on exchange in Ecuador as a teenager, she fell in love with the area's ancient languages. Now, more than 20 years later, she is starting a research project on the kinship of the language Awapit with the Quechua language that was spread by the Incas.

Media in the Netherlands and abroad reported extensively about the drug research led by Leiden chemist Mario van der Stelt. In this research, Van der Stelt shows which unwanted side-effects a French drug candidate has.

Lecture

PhD defence

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.

Providers of telephone, internet or data centers can be seen as companies of vital importance because of their national importance. This comes as no surprise. In the Netherlands, additional legislation was deemed necessary to protect national security and a legislative proposal was presented in April…

On 27 January 1900 thirteen female students gathered and established the Leesgezelschap van Vrouwelijke Studenten te Leiden (reading association for female students in Leiden).

Court cases that get out of hand are enacted again and again, according to PhD candidate Tessa de Zeeuw. De Zeeuw: ‘Even if the court comes to the correct judgement, from a legal point of view, the issues that appear in a case such as that of Lucia de Berk continue to

PhD defence