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…

Hanneke Hulst explaines how she is trying to bridge the gap between science and health care. ‘For a neuroscientist to actually contribute to solutions for patients, you have to work across disciplines.’

As Professor of Translational Neuro-oncology, Marike Broekman researches how brain tumour treatment can be improved. She will discuss this in her inaugural lecture along with her work as a neurosurgeon and the importance of a positive workplace culture.

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…

Teens with depression appear to be more sensitive to criticism from their parents than their healthy peers are.

Due to the increasing resistance to certain antibiotics, the life-threatening condition sepsis is becoming harder to treat. For her PhD project, Leiden pharmacologist Feiyan Liu used mathematical modeling to find out how antibiotics can be used more effectively to cure sepsis.

We talk with Michiel van Elk, about his research into mapping what effects psychedelics have on the human brain and what this means for the possible clinical application of these drugs. The cognitive psychologist shares his findings with a sober view, bringing critics and fanatics closer together for…

Are you trying to write a perfect paper on your first attempt? That appears to be efficient, but in the end it usually is a waste of time. Writing and revision are separate processes; the first makes more use of the creative right brain hemisphere, while the latter appeals primarily to the critical…

Nausea, neurologic pain and hair loss: some of the severe side effects of chemotherapy. Not necessary, biochemist Liyan Zhang showed. Together with Leiden biologists and others, she achieved great results with a drug that is only active in combination with light. Zhang will defend her PhD on 4 July.

Also in 2024, our colleagues from the Institute of Psychology were visible in the media in various ways. Check out their appearances in Dutch media, from NRC to the Podcast psychologist.

Laughing, crying or even having a moan together: close friends are worth their weight in gold in good and bad times. Researcher Lisa Schreuders explains the effects on body and mind. Can we give that magical click a helping hand? And what advice does she have for first-years in their new city?

Supercomputer ALICE has been expanded, making it even more powerful and faster. This means researchers and students can work with heavier models. From language research to brain activity scans, this expansion is good news for a variety of disciplines. So who gets to work with this prima donna?

A team of researchers from Young Academy and the Huygens ING/NL Lab has brought a three-century-old fragrance to life based on a recipe by Constantijn Huygens. The fragrance makes the past more tangible and can help people experience history differently.

Can humans sense where north is, using what is known as magnetoreception? This question had master’s student Björn Keyser (Media Technology) so intrigued that he started crowdfunding to be able to study this together with the California Institute of Technology.

In the academic year 2022-2023 the Social Resilience and Security interdisciplinary programme will offer a new minor for students who are interested in studying interpersonal violence and who are entering the third year of their Bachelor's degree. The announcement went down well with students: the available…

Taking probiotics can help reduce negative feelings. This is shown by research by Katerina Johnson and Laura Steenbergen published in the journal npj Mental Health Research. They also investigated which people benefit most from these ‘good’ bacteria.

The fact that scientists are increasingly better able to access molecular cell and tissue data also brings with it a new challenge: how can scientists find the information they need for research among the vast amount of data available?

Piercing through the skull with an ice pick, administering electric shocks without an anaesthetic, or applying leeches to the uterus: these may seem like medieval methods of torture, but they are in fact therapies used in medicine. Willem van der Does writes about all of them in his new book. ‘Physicians…

Could ketogenic therapy change the future of autism spectrum disorder (ASD) treatment? Bret Scher sits down with Eline Dekeyster to explore how nutritional ketosis may support individuals with autism and other brain-based conditions.

In the first instalment of the three-part podcast series Óf Bones, Brains, and Pink Elephants, three students of Utrecht University interview Dr Amanda Henry on dental care in the past. Why do we need to brush our teeth, and why didn't our ancestors?

In het LUMC in Leiden onderzoeken ontwikkelingspsychologen hoe kinderen en jongeren omgaan met emoties. Daarvoor maken ze een mri-scan van de hersenen van de deelnemers (9 - 16 jaar). De 11-jarige Olivier in het Jeugdjournaal: ‘Ik vind het leuk om het onderzoek te helpen.’ Wil je ook de wetenschappers…

Friendships play a crucial role in our lives. For children, these relationships really start to blossom during middle school, when they begin to understand the give and take of friendships," explains Simone Dobbelaar in an interview with the BBC.

In 2025, our colleagues from the Institute of Psychology once again made a strong presence in the media. From (inter)national newspapers to podcasts, discover where they shared their expertise in the media this year.

However tempting it may be to lock yourself in your room or in favourite library nook in the days running up to an important exam, it's not a very wise choice, stresses neuroscientist Judith Schomaker.

Adolescents with good friendships experience fewer anxiety and depression symptoms, PhD student Iris Koele discovered in her research on high school students' social relationships. 'As a psychologist, I include friends in the treatment plan: who do you call when things are not going well?'

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.

Why do some smokers quit much more easily than others? Can we think ourself to insomnia? And does playing music together help to calm conflicts? Psychology students investigated these questions and presented their findings during the Psychology Science Day 2023.

Is aggression always bad? PhD research by psychologist Simone Dobbelaar shows that it is not. In fact, children who occasionally fiercely defend themselves and stand up for their peers often feel better mentally.

An impressive speech by Dean Jasper Knoester, a lecture by top researcher Mario van der Stelt about brain messengers, and the presentation of the faculty awards. 2025 begins on a hopeful and festive note, with a toast to a year of fruitful collaboration within and beyond the faculty.

An impressive 22 research projects by Leiden researchers have been awarded Veni funding from the Dutch Research Council (NWO).

Glorious sunshine, dozens of enthusiastic academics and huge numbers of Leiden residents ensured that this year’s special jubilee version of 3 October University was a great success.