Psychedelic drugs like magic mushrooms and LSD are embraced by some and seen as lethal by others. Cognitive psychologist Michiel van Elk delved into the world of psychedelic drugs and wrote a surprisingly sober book about them. ‘Without first-hand experience my story wouldn’t be complete.’

Using an innovative method, psychologist Loes Janssen and colleagues measure how long and how often parent and child are close in daily life, and how they experience that togetherness. The researchers combine ‘Bluetooth low energy beacons’ with the smartphone app Ethica to track participants' physical…

Until very recently malaria was an impactful disease in the Netherlands. While currently mainly regarded as a tropical disease, references to symptoms which could be related to the disease are found in several historical documents from the 17th century onwards. To be able to better understand this disease…

The COVID Radar app is citizen science at its best. More than 200,000 users in the Netherlands are answering questions about their health and behaviour to help predict the development of the pandemic. Niels Chavannes, Professor of General Practice at Leiden University Medical Center, explains how the…

While tens of thousands of visitors dance to deafening music, a team of Leiden psychologists are trying to collect data for their research at Lowlands. How do festivalgoers experience a virtual trip? And what role do factors such as too little sleep and whether they have experience with psychedelics…

Having a hearing disability is a health condition that can impact your learning at Leiden University.

Having a speech disability is a health condition that can impact your learning at Leiden University.

Having a visual disability can impact your learning at Leiden University.

Not every person who experiences chronic challenges identifies with the term disability.

Philosophy alumna Naomi Rebekka Boekwijt returns to Leiden University on 20 June to present her latest novel Stemmen (Voices) in Plexus. ‘I wanted to show that things could be done differently in psychiatric care.’

Conducting fieldwork against a backdrop of public policy interests and professional reputations in your own place of residence adds a whole new level to the experience. As a researcher in this context, you are essentially caught in a game of piggy in the middle between the subjects of policy, the objects…

With the start of the new academic year, the Social Resilience & Security programme proudly presents their yearbook. In the yearbook, you read about the programme’s interdisciplinary research building bridges between institutes, its educational activities such as the new Minor ‘Violence Studies’ and…

After receiving positive feedback from peers, socially anxious young people feel as confident about themselves as their non-anxious counterparts. 'These young people are then able to handle new social situations more confidently,’ says Leiden psychologist Anne Miers. Her research is published in the…

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…

Never before has so much research been carried out on the therapeutic effect of psychedelic drugs. Researchers at the LIBC Public Day are happy about the effect the drugs can have on depression, anxiety and PTSS, but at the same time they have some doubts. ‘The hype is bound to crash before long.’

There are differing opinions about healthcare for transgender young people. Lieke Vrouenraets investigated the ethical dilemmas.

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.

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.

Two teams of astronomers, including one from Leiden University, have discovered oxygen in the most distant known galaxy, JADES-GS-z14-0. This groundbreaking discovery shows that galaxies could form much faster in the early universe than was previously thought.

Three PhD candidates from Leiden University have been awarded a Mosaic 2.0 scholarship for their PhD research. The Dutch Research Council (NWO) Mosaic 2.0 programme is aimed at an underrepresented group of graduates with a migrant background.

Dissociation is a common symptom in borderline personality disorder and is associated with an increased risk of suicidality and self-harm. Dialectical behaviour therapist Anne Krause-Utz has written a book for clinicians, researchers and students who want to better understand and recognise the pheno…

The master thesis: for many students it is a true crowning glory. Some theses are truly excellent. Those are rewarded with the FSW Thesis Prize. This year, this award was won by Roosmarijn Goldbach (master’s Psychology) and Matija Čuljak (research master’s Psychology), who respectively researched borderline…

A job thanks to COVID—something not many people can claim. But PhD candidate Vera Arntzen can. Over the past four years, she has mapped two crucial characteristics of SARS-CoV-2 infections. Thanks to her research, experts can now make well-informed decisions on matters like quarantine duration, which…

What happens in the mind of someone with ADHD? GZ psychologist Bianca Boyer discusses this in a two-part episode of the Dutch 'Podcast Psycholoog'. She likes to look beyond the symptoms described in the DSM-5. 'Those are just the tip of the iceberg.'

A new treatment for atherosclerosis showed promising results in isolated cells but proved to be less effective in initial animal tests. Bachelor student Biopharmaceutical Sciences Willemijn van der Heijden aimed to understand why. She investigated whether the formation of a protein layer around the…

The tuk-tuk of the European City Of Science Leiden 2022 sent science on its way to the neighbourhood. On the Vijf Meiplein in Leiden, Andrea Evers' placebo team pitched its tent to everyone who wanted to know more about the effect of words and expectations. Experience the day of the placebo effect in…

The Moria deal has been marked as a controversial issue in the formation process for a new Dutch government – a development that fits with the government’s hesitancy in implementing what is already a meagre asylum policy, writes master’s student Nina Fokkink in an article in Dutch newspaper NRC.

Every day, 5 people die by suicide in the Netherlands. Suicide is a complex phenomenon and consequently many questions remain about how to reduce the number of suicides. Renske Gilissen will strengthen both research and education on suicide prevention at Clinical Psychology in Leiden. From June 1,…

What effect did the lockdown have on young people? Leiden researchers started a study of this in the first year of the covid pandemic. They discovered an impact on the development of the brain areas involved in social behaviour. The researchers published their discovery in Scientific Reports at Nat…

Autistic people have problems communicating their borders towards the non-autistic community and often do not feel respected. To not only change daily life for autistic people, but also the scientific community from within Carolien Rieffe (Developmental Psychology) addresses this issue in her research…

What makes young people susceptible to misinformation? And how do their friends influence this? Psychologist Jiemiao Chen aims to find out by using eye-tracking to monitor where young people focus their attention while watching TikTok videos.

Do political knowledge and democratic values encourage young people to participate in politics or not? Political Scientist Leila Demarest had a closer look at adolescents’ participation intentions in Nigeria and shared her findings with The Conversation.

The outreach and engagement platform BrainTrain consists of five enthusiastic students of the masters programme Forensic Family Science. As part of their project, the students visit high-schools to teach adolescents about the brain, make them experience that their own reality is not always the only…

Fantastic plants, dizzying patterns and pulsating sounds: researchers from Leiden are going to study the effects of a simulated psychedelic trip on the mind and body at Lowlands Festival. Why might this be interesting for therapies?

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.

On 30 April, Prime Minister Mark Rutte was presented with the manifesto of the NWO Youth Challenge, which contains advice for policymakers, scientists and administrators on the empowerment of youth in the time of coronavirus. The manifesto is based on research questions submitted to the science community…

Preventing or delaying disease often requires lifestyle changes, which turns out to be difficult. Valentijn Visch and Sandra van Dijk are researching how to help people change their behaviour.