PhD defence

Young people are particularly susceptible to misleading information on social media. Yet insights from developmental psychology show that they also have unique strengths to build resilience. In new research led by developmental psychologist Ili Ma, scientists, schools, parents and policy makers are…

It may seem as though adolescents do as they please, but they are more sensitive to their parents’ opinions than they would appear. The adolescent brain reacts strongly to parental criticism or praise. These are the results of a study by an interdisciplinary research group of psychologists and neuroscientists…

Depression in young people is often treated as an individual problem. But looking only at the child means that an important part of the story is missed, says PhD candidate Myrthe Veenman: ‘Parents can make a difference.'

How adolescents perceive parenting is related to their mood. Differences between the perspectives of parents and adolescents are also of importance for adolescents’ mood. That is what research by Loes Janssen and her Leiden University colleagues in Clinical Psychology shows. Open Access publication…

In the online panel discussion of ESOF 2022 ‘The effect of the online world on adolescents’, together with Amy Orben, Professor Eveline Crone, Sterre van Riel, Professor Anne-Laura van Harmelen and Professor Jan Sleutels, Professor Ton Liefaard shared his research on adolescents and the online world…

On 24 and 25 April 2025, the Trippenhuis in Amsterdam — home to the Royal Netherlands Academy of Arts and Sciences (KNAW) — hosted an interdisciplinary workshop organized by dr. Rafal Matuszewski, an ancient historian at the Institute for History in Leiden.

During adolescence, some young people have stable best-friend relationships, while others change best friends frequently. Developmental psychologist Lisa Schreuders has studied the brains of young adolescents: ‘It seems that friendships in your early years can have consequences for your friendships…

What impact does growing up in a musical environment or during the COVID-19 pandemic have on the brain development of teenagers? This was the focus of psychologist Lina van Drunen’s PhD research, which studied hundreds of twins. Her findings reveal that practising music slows brain development, presenting…

How do digital technologies affect adolescent mental health and resilience? How do we foster a secure online environment? How should we deal with increasing rates of online crimes among adolescents? During the mini-symposium ‘The effect of the online world on adolescents’, presented by the interdisciplinary…

André van der Laan has been appointed Professor by Special Appointment of Juvenile and Adolescent Crime at Leiden University, a chair established by the Leiden University Fund (LUF) and the Dutch Research and Documentation Centre (WODC). It is the first time that a professorship by special appointment…

BrainTrain: an initiative from Leiden University in which a team of students visit high schools to make adolescents more resilient against disinformation on the news and on their socials. In an interactive two-hour guest lesson, high school pupils discover how easily their brains can be tricked into…

Eye contact between parents and children improves their mood and increases feelings of connectedness on both sides; but not in the case of depressed adolescents, Mirjam Wever discovered. Where the parent-child bond has been disrupted, it can be strengthened not only with therapy for the child but also…

When are you (sexually) mature? A KNAW grant will enable associate professor Rafal Matuszewski to organise an interdisciplinary workshop on this question.

PhD defence

Taking part in TikTok challenges, online gambling, and forwarding nudes. ‘Why do adolescents take online risks?’, psychologist Neeltje Blankenstein wonders. Her research on online risk taking has been awarded a Veni grant by the Netherlands Research Council (NWO). Read her answers to five questions.

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…

Neeltje Blankenstein receives an LUF grant to conduct research on online risk behaviour among young people. What risks do young people take online and why? 'With this research, we not only want to help prevent serious risk behaviour, but also understand what drives young people to it.'

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…

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.

Developmental psychologist Ili Ma has been awarded an ERC grant to investigate misinformation among teenagers, aiming to bolster their resilience against its potentially severe consequences.

Virtual reality is increasingly being studied in therapeutic contexts. While most studies have focused on adults, children may also stand to benefit. PhD researcher Nina Krupljanin is investigating how young people experience virtual environments – and the findings are encouraging.

The Healthy Society Programme (HSP) has selected five scale-up projects for a special acceleration grant, giving successful health initiatives the opportunity to be rolled out more widely across the province of South Holland. One of these projects is StartKracht, led by clinical psychologist Anika B…

The brain structure of young people with conduct disorder differs significantly from that of their typically developing peers. This is the conclusion of an international study that analysed more than two thousand MRI scans, recently published in The Lancet Psychiatry. Dr Moji Aghajani, one of the principal…

During ExpeditionNEXT in Middelburg, NeurolabNL youth, together with researchers from Leiden University and Erasmus University, handed over a unique research agenda to NWO Chairman Marcel Levi. In it, young people share what they would most like to learn about themselves and the brain.

PhD defence

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

How can young people grow up successfully and contribute to the present and future society? The consortium that is researching this will receive 22 million euros within the scope of the Gravitation programme.

Youth crime has plummeted in the Netherlands. Good news, you might think. Yet we need to look critically at existing sanctions, says Professor by Special Appointment André van der Laan in his inaugural lecture. ‘We should evaluate whether our response is just.’

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?

Have you ever experienced the feeling of awkwardness when attending a party where you didn’t know anybody? Ever felt shy at a party within the first few minutes? While this feeling is labelled loosely as feeling socially anxious, social anxiety disorder goes to a much further extent.

In a recent study, Dr. Moji Aghajani and colleagues show that adolescents with a severe form of Conduct Disorder (CD) -with limited prosocial emotions- require an unusually large amount of brain capacity to read emotional faces. These effects were found in comparison to CD youth without limited prosocial…

In 2022-2023 eight (teams of) teachers received a Grassroots or Grass shoots grant. Here you can read about their projects.