Knowledge that helps protect the Netherlands and Europe from military and cyber threats.

Mining the unusually rich diaries, memoirs, and poems written by Netherlandish Catholics, Judith Pollmann explores how Catholic believers experienced religious and political turmoil in the generations between Erasmus and Rubens.

How does having limited access to the social world affect Deaf or Hard of Hearing (DHH) children’s emotional development? And in turn, how do impairments in emotional functioning affect social development and the development of psychopathology?

The consequences of social tendencies for the legislation and institutions in the fields of social security, the labor market policy and pension reform are examined in this multdisciplinary research program..

This article explores how employees use leadership behaviours and how characteristics of the organizational context affect their engagement in leadership.

Leiden University neuropsychologists have shown that customised intervention pays off. A new fundamental research-based approach in children who are in danger of going off the rails has delivered spectacular results.

To inhibit proteins that contribute to the growth of aggressive cancer cells, that’s the plan of Professor Bob van de Water and his team. They will receive over 700,000 euros from the KWF Dutch Cancer Society for their research. Researcher Maaike Vreeswijk and pathologist Danielle Cohen are affiliated…

This edited volume draws from papers presented at the conference Closing the Gap | Responsibility in Cyberspace: Narratives and Practice, organized in June 2022 at the Egmont Palace in Brussels, Belgium, by Leiden University, as part of the EU Cyber Direct project.

Leiden University researchers and their collaborators report the development of new research frameworks that use day-to-day smartphone behavior gathered from a large sample of healthy people to help understand aging, and how aging alters with epilepsy and stroke. These reports occupy two back-to-back…

Birds around airports are more aggressive and sing as if they have hearing loss. Collaboration between researchers of Manchester Metropolitan University and the Institute of Biology Leiden has led to surprising new findings about the impact of anthropogenic noise on birds around airports. Publication…

This study tests whether behavioural problems at a young age are related to early reading and mathematics development.

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…

Political scientists Tom Louwerse, Simon Otjes & Cynthia van Vonno introduce the Dutch Parliamentary Behaviour Dataset, a record of parliamentary (voting) behaviour in the Dutch Tweede Kamer (Second Chamber, House of Representatives) since 1945.

Rutger Leukfeldt, special chair of Governing Cybercrime, and colleagues investigate the link between Protection Motivation Theory (PMT) factors and self-protective online behavior.

Why does social anxiety increase in adolescence and how does it grow out of control in some adolescents?

How do people vote? How rational are voting choices? How much do external factor weigh in? In this article social scientis provide some background.

This thesis, conducted in the framework of ERC Starting grant project BABYLON (PI: Caroline Waerzeggers), presents an investigation into Babylonian society, focusing on the city of Borsippa during Neo-Babylonian and early Persian rule (c. 620-484 BCE).

This project aims at studying the social media reception of African publications as covered by the most important “altmetric” sources.

PhD defence

This dissertation takes an important step in understanding the phenomenon of non-take-up of social support and what it means for contemporary social policies.

Chaider Bamualim defended his thesis on 9 September 2015

A national survey conducted by Dutch newspapers Dagblad van het Noorden, Turbantia, Brabants Dagblad and the Dutch Federation of Trade Unions (FNV) shows that staff working in disability and mental health care often face violence in the workplace. In the three northern provinces of the Netherlands,…

Why do some children confront social challenges with confidence, whereas others experience difficulties? What is the role of child temperament and child emotional dispositions? What is the role of parenting? This project aims to shed light on the mechanisms explaining shyness and confidence in response…

Psychological processes have a major effect on the course of a disease and the effects of medical treatment. Researchers in the field of Psychoneurobiology examine the interactions between body and mind. They investigate the effects of stress as well as the effect of placebos and nocebos, which can…

Are there any differences in gaze behavior between high and low socially anxious individuals? What factors influence the relation between social anxiety and gaze behavior?

The authors aim to provide insight into the way in which frontline officials in teams employ leadership behaviour aimed at creating public value.

The Netherlands has also announced special measures to fight SARS-CoV-2 coronavirus. These measures have at times caused questionable behaviour, such as stockpiling or charging exorbitant sums for masks. But the intentions behind this seemingly antisocial behaviour are not necessarily bad, says Professor…

How can interdisciplinary and transdisciplinary collaborations between psychology and public administration contribute to the development and application of behavioural insights that improve government functioning and its interaction with citizens?

This article presents a five-step framework for building behavioural cybersecurity strategy to reduce human-related risks affecting organisational security

The studies outlined in this volume explore how connectedness continues to change Africa and how Africa continues to shape the social life of connections.

Do you have to be able to say everything on Twitter and Facebook? Is Instagram morally obliged to remove photos from attacks? Should we allow the terrorist group to recruit new members on the internet?

Could we stop cancer cells by cutting off their energy supply? That’s what Dione Blok, a bachelor’s student in Bio-Pharmaceutical Sciences, aimed to find out during her thesis research. She investigated a compound that affects the tumour cells’ energy metabolism. ‘Hopefully, these insights will provide…

Can behaviour in an online economic game be understood as a representation of radicalisation propensity?

Promotor: Prof.dr. M.K. Richardson

A key challenge in neuroscience is understanding how neurons in hundreds of interconnected brain regions integrate sensory inputs with previous expectations to initiate movements and make decisions.

How do people living in a remote part of Northern Mongolia experience the post-socialist transition that occurred twenty years ago? Based on extensive fieldwork, cultural anthropologist Richard Fraser argues that this is not at all clear. In his PhD dissertation, he developed a new framework based on…

Following the New Year's speech of Dean Hanna Swaab a total of 4 prize winners were showered with praise and flowers during the new year's reception 10 January, 2017. Anthropologist Igor Boog won the Casimir Prize for best lecturer, pedagogue Ilona Schoep the Master Thesis Prize, political scientist…

At the Young Academy Leiden, we care deeply about fostering social safety at our university. Increasing social safety is of particular importance to early career scholars as they often find themselves in a vulnerable position without a permanent contract, or with a dependence on superiors for progressing…

Helping people, groups and policymakers navigate the social transitions of our time.

Promotor: S.M. Verduyn Lunel

To study relationships between emotion regulation after negative and traumatic life events and psychopathology. Within this context, another goal is to develop and validate emotion regulation questionnaires.

Up to 45% of patients with Parkinson's disease experience impulse control disorders, characterised by a loss of voluntary control over impulses, drives or temptations. This study aimed to investigate whether previously identified genetic and psychiatric risk factors interact towards the development…

This article describes the creation of an app that can help raise climate awareness and the action globally.

At FGGA, we want our staff to feel safe in all respects. We therefore strive to create a work environment where we treat each other with respect, where we promote inclusion and where we speak up if we experience or witness unsafety.

Understanding individual differences in self-regulation in boys with ODD/CD on the level of brain, cognition and behavior

Working towards resilient communities, transparency in science and connecting with the employment market – these are the three key themes being addressed by the departments of Social and Behavioural Sciences at Dutch universities. On 11 February, they presented a joint sector plan to Marcelis Boereboom,…

FSW building, Wassenaarseweg 52, 2333 AK, Leiden

Each year, Latin American diplomats meet the researchers and students from Leiden University who specialise in their region. This year, they visited the Faculty of Social and Behavioural Sciences. ‘The social and behavioural sciences have improved our understanding of social unrest.’