Building a fire involves many variables, such as size, choice of fuel, temperature, and burn time, that affect the way the generated heat can be used, and therefore the potential function of a fire. A group of Leiden archaeologists are, together with a team of international colleagues, investigating…

The Dutch Research Council (NWO) has awarded 400.000 euros in funding to Lotte van Dillen, associate professor at the unit of Social, Economic and Organizational Psychology. With this grant, Lotte van Dillen will investigate how daily distractions influence our dietary consumption habits and glucose…

An international group of scientists has discovered that certain cells of our immune system – the so-called T cells – communicate with each other and work together as a team. To fight an infection they stimulate each other’s growth, but at the same time, they inhibit each other when there is a surplus…

George Floyd's death still leads to fierce protests against police violence and racism on a daily basis in the United States and abroad. We asked Paul Wouters how he experiences these developments and what this will mean for our faculty.

ADHD&ME aims to explore how enhancing self-esteem can break the relation between ADHD symptoms and comorbid disorders, such as anxiety and depression. In this study we assess the effectiveness of a Cognitive Behavioural Therapy (CBT) program called Competitive Memory Training (COMET) for improving self-esteem…

For the first time, a group of international and interdisciplinary researchers led by Karline Janmaat and her former MSc Student Chirag Chittar, have tested the several hypotheses on music simultaneously in a modern foraging society during their daily search for tubers – their staple food.

A punishment that fits the crime is the cornerstone of the rechtsstaat or constitutional state. But opinions differ greatly on what constitutes a just and effective punishment. Research by Leiden University provides politicians, legislators, law enforcers and the public with new information and insights…

A research into the consumption experience and consumption behaviour.

Brenda M.S. da Silva and colleagues designed and validated the “Moral Emotions Questionnaire” (MEQ) for identifying three major moral emotions in preschoolers – allowing to separately measure guilt, shame and pride at the youngest ages.

Lecture

A neuro-ecological perspective on adolescent prosocial development

The gas prices now exceed 300 euros per megawatt hour – a record. The transition from fossil (natural gas, coal, oil) to renewable energy is needed and soon. But how do you get a society (and its citizens) to switch to sustainable energy?

Peer-mentored cognitive behavioral therapy for adolescents with mild intellectual disability and anxiety disorder

From 9 until 20 October 2017 Stephanie Rap has visited the Renmin University of China Law School in Beijing to teach a course titled Juvenile delinquency and juvenile justice: interdisciplinary perspectives. She was warmly welcomed by the vice-dean Prof. Yanan Shi and Ms. Lei Chen, head of the law school’s…

In the eighties the Umhlatuzana rock shelter in Kwa-Zulu Natal, South Africa, was excavated. Results from this excavation led to an understanding when the Later Stone Age started in this area. This archaeological period is often associated with the structural presence of modern human behavior. Now a…

In this thesis, we have studied the potential of the zebrafish larval model in studying the ECS, as a complementary model to the existing rodent models.

This summer, political scientist Thijs Vos received the Kaare Strøm prize for his paper ‘Power or Ideology? What structures legislative voting behaviour in Dutch municipal councils, ideology or coalition-opposition dynamics?' He was awarded the prize during the ECPR summer school on parliaments in F…

Eveline Crone, professor of neurocognitive developmental psychology at Leiden University, has been awarded the Dr Hendrik Muller Prize for Behavioural and Social Sciences by KNAW.

Exclusion elicits the same response in children as in adolescents and adults. That is what psychologist Mara van der Meulen found when she studied brain activity in primary schoolchildren. ‘What is new for us is that it is the same in childhood as later in life.’ Doctoral defence on 10 December.

Marie-Jeanne Holveck and Katharina Riebel from Behavioural Biology at the Institute of Biology at the Faculty of Science published their research in Proceedings B of The Royal Society.

PhD defence

‘I could hardly believe my ears when I heard that we had been awarded the Gravitation grant,’ says Berna Güroğlu, professor of the Neuroscience of Social Relations. This grant is awarded by the state, via NWO, to pioneering scientific top research. In terms of grants, this really is something special,…

We should assume that animals can have feelings too. From an ethical point of view this should inform our dealings with animals, researchers from Leiden University and Utrecht University argue in an opinion article that was published in the scientific journal Affective Science on Thursday 10 March.

Effectiveness of an early intervention program for anxiety-prone toddlers in the Netherlands

Leiden psychologist Wilco van Dijk and communication scientist Jaap Ouwerkerk of VU University Amsterdam published a book about the emotion Schadenfreude. Van Dijk tells about Schadenfreude on BBC radio 4 All in the Mind.

We are all aware of the importance of a healthy lifestyle. However, at the same time we also experience many difficulties when we are trying to change our behavior to become more healthy. For example, more often than not our good intentions to exercise more or to eat fewer unhealthy snacks fail miserably…

This research line is part of the living lab of the University’s Population Health interdisciplinary program, located at the LUMC Campus The Hague, where the Leiden University Medical Center collaborates with the Faculty of Governance and Global Affairs and the Faculty of Social and Behavioral Sciences…

PhD defence

Understanding the evolving landscape of extremism in the 21st century.

Everyone benefits when cooperation runs smoothly However, people often act obstructively. Why do they do that? Professor of Social Psychology Carsten de Dreu researches this issue using a wide variety of methods, from brain scans to the role of religion. Inaugural lecture 7 October.

With this grant the researchers seek to shed light on the factors which play a role in transmitting jihadist ideas, and explore possible ways to mitigate this transmission.

Researchers on terrorism Bart Schuurman and Liesbeth van der Heide (Institute of Security and Global Affairs) studied the files of 159 persons convicted of terrorism in the Netherlands during 2012-2017. Their main question: how effective is the special reintegration project for this type of delinquents…

Many people in the Netherlands have difficulty managing on their income. Professor by special appointment Wilco van Dijk, affiliated to Leiden University and Nibud, is researching what we can do to gain a healthier approach to managing our finances. His inaugural lecture is on 1 April.

Leiden University is the first Dutch university to join the Healthy Universities international network. Lifestyle workshops, rewards for good behaviour and the latest interventions encourage students and staff to live more healthily. The experiences gained through this network will be used in scientific…

On June 10, Michelle Achterberg received the prize for best dissertation from the Dutch Neurofederation, the network of Dutch neuroscientists, for her thesis 'Like me, ore else...'. Achterberg obtained her doctorate cum laude from the Gravitation Program 'Samen Uniek' of the Leiden Consortium on Individual…

If male budgerigars can successfully open a puzzle box with food, they become more attractive to females. Biologist Carel ten Cate and Chinese colleagues published experimental evidence for this in a paper in Science on 11 January. Various Dutch and international media wrote about the paper.

Conference

The Royal Netherlands Academy of Arts and Sciences (KNAW) has awarded the Heineken Young Scientist Award 2020 in the Social Sciences to developmental psychologist Anna van Duijvenvoorde for her research on the development of the brain and behaviour in adolescents.

Nanoplastics influence the behaviour of larval zebrafish, says new research by the Institute of Biology Leiden (IBL) and the Institute of Environmental Sciences (CML). The researchers observed that a certain type of nanoparticles leads to stress reactions in the sugar balance, resulting in hyperactivity…

How does our brain interpret traces of evidence? Can someone who is suffering from brain damage be held accountable for criminal offences? And should it be possible to adjust a criminal’s behaviour with deep brain stimulation? These questions were addressed during the Public Scientific Day Brein & Recht…

Festival

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…

Eveline Crone, Professor of Neurocognitive Development Psychology at Leiden University, has been elected as the new Vice President of the European Research Council (ERC). She will be in charge of ERC activities in the domain of Social Sciences and Humanities.

As of April 2022, Mark de Rooij has been appointed SAILS Professor AI and Data Theory at the Institute of Psychology. This position will enable him to contribute to the goal of the interdisciplinary programme: to build on and expand the current expertise on AI within Leiden University, working from…

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.

PhD defence