Humans are fundamentally a social species, rather than individualists.

Synthetic microswimmers take an important place within the interdisciplinary field of active soft matter.

What is the experiental content of desire for vengeance and how does it contribute to actual revenge?

How is structural and functional brain development related to behavioral change in cognitive-control, impulse regulation, and socio-emotional functioning?

Business & Law Research Network (BLRN) is a multidisciplinary research and expertise network that focuses on a variety of aspects of doing business within the context of company and insolvency law.

Promotor: Prof.dr. F.S. de Boer

What is the relation between the experience and the act of exclusion?

What are the behavioral, cognitive, and motivational consequences of decision reversibility?

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.

Leiden University wants to create a safe and stimulating environment for everyone. However, you may experience issues at work that you cannot solve yourself. Your first point of contact for such situations is your supervisor. If you feel you cannot talk about it with your supervisor, you can turn to…

Unconstrained day-to-day activities are difficult to quantify and how the corresponding movements shape the brain remain unclear. Here, we recorded all touchscreen smartphone interactions at a sub-second precision and show that the unconstrained day-to-day behavior captured on the phone reflects in…

The [A]Social Creatures Lab is an interdisciplinary research lab that focuses on understanding social interaction with and between artificial creatures. Researchers and students from the Media Technology group collaborate in it.

Intergenerational transmission refers to the complex and dynamic process with which values, ideas and behaviors are transmitted across generations. We are specifically interested in the intergenerational transmission of behaviors and beliefs that might result in harm to the individuals involved or society…

The [A]Social Creatures Lab is an interdisciplinary research lab that focuses on understanding social interaction with and between artificial creatures. Researchers and students from the Media Technology group collaborate in it.

A neuro-ecological perspective on adolescent prosocial development

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

... which conceptualizes and investigates cognitive and affective processes with respect to their ultimate function: the control of voluntary action and self-regulation.

How does stress affect different components of behavioral impulsivity and aggression in patients with Borderline Personality Disorder compared to clinical controls (patients with Attention Deficit Hyperactivity Disorder) and healthy controls?

The main goal of the research that is conducted in the Brain and Education Lab is to create a better understanding of the cognitive and neural systems that support learning and academic performance across development. To pursue this goal, lab members draw on theories and methods from developmental and…

On 30 September 2021 Babette van Hazebroek defended her thesis 'Understanding delinquent development from childhood into early adulthood in early onset offenders'. The doctoral research was supervised by Prof. J.W. de Keijser and Prof. A. Popma (VUMC).

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

To make the right clinical decisions or develop effective diagnostic tests and treatments, it is important to understand the underlying mechanisms of a condition or behavior.

Petra van der Bekerom, Joris van der Voet, and Johan Christensen, three assistant professors at Leiden University, conducted a large-scale survey experiment about whether citizens are more negative about failing service delivery than private organizations.

The HARVEST project explores the dietary choices that our hominin ancestors and relatives made, by recovering information on what they consumed, and how factors like environmental variation, intrinsic biology, and development of food processing technologies could have influenced their decisions.

Our team consists of the following members.

It has been argued that the Internet presents numerous new opportunities for crime, including homicide. So far, empirical scholarly research in this domain is rather limited. In order to discover how perpetrators have used the Internet in the homicides they have committed, we conducted an international…

Somatic symptoms, such as pain, itch, and fatigue have been shown to have a bidirectional relationship with mental symptoms. Although acute somatic symptoms serve some adaptive properties, chronic symptoms can instead lead to interference in daily activities and lower quality of life.

What is the effectiveness of (booklet or online) self-help programmes for people with somatic stressors and depressive symptoms? What works best for whom? How to improve motivation and adherence?

Promotie

Promotie

Sociale Wetenschappen

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Spontaneously helping one another, why do we bother? It is believed that lending a hand to others promotes social bonding, helping us to connect with each other and even build friendships. In our experiment, in which the adult researcher ‘accidentally’ dropped matches on the floor, most adolescents…

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Promotor: Prof.dr. E. Deprettere

Promotor: Prof.dr. J.M. van Ruitenbeek, Prof.dr. R.M. Tromp

I want to understand the overlap between physical health, mental health, and healthy aging and whether/how stress (behaviorally and biologically) may tie these concepts together.

The main aim of this thesis was to unravel the signaling and regulatory networks that drive tumor cell migration during breast cancer metastasis.

Children with autism spectrum disorder experience serious challenges in social functioning, which threatens their development in many areas of functioning.

Middle Paleolithic stone tool technology is one of the major sources of information about Neandertal behavior and adaptations. The Balkan Middle Paleolithic often remains outside of the major debates and interpretations of Neandertal behavior.

How do governments distribute resources across economic sectors during a crisis? And why do some sectors receive more than others? The recent COVID-19 pandemic has highlighted the urgency of these questions. In this paper, we explore the extent to which a political economy…

On 20 January 2022, Marco Stam defended the thesis 'Essays on Welfare Benefits, Employment, and Crime'. The doctoral research was supervised by Prof. M.G. Knoef.

In this project, we use social network analysis to analyze the behavior of users in online forums and associated marketplaces over time.

Promotor: W.Th.F. den Hollander Co-Promotor: F.M. Spieksma

How does the endocannabinoid system in the zebrafish function at the molecular and phenotypic levels and how is it linked to the stress axis?

This study explores public leaders’ organizational learning orientation in the wake of a crisis. More precisely, we study the association between public leaders’ public service motivation and their learning orientation (instrumental versus political).

This project aims to explore, in general, what explains civil servants’ attitudes and behavior, and, in particular, why some civil servants are more committed to professional norms and public service values – such as impartiality, equity, efficiency, and innovation – than others.

Promotor: Prof.dr. M.L. van Hecke