In a recent mega-analysis, researchers from Leiden University aimed to clarify the contradictory findings of research into social anxiety disorder. They found that to obtain reliable research results having the largest possible sample size is important. Publication in NeuroImage:Clinical.

Maral Jefroudi defended her thesis on 11 October 2017

Those who know their dystopian classics will inevitably associate the concept of surveillance society with the all-knowing oppressive force characterized as Big Brother in George Orwell’s novel 1984. However, surveillance permeats our society in many more subtle aspects than our worst fears about spy…

Stress, burnout, depression – these conditions pervade all levels of our society. Children and students suffer from constant pressure to achieve; at the international level, tensions lead to short-sighted actions; and, at the personal level, stress affects our health and social environment. How do our…

Stay tuned for updates on relevant media appearances of Anne-Laura van Harmelen.

Serhan Afacan defended his thesis on 23 June 2015

The research project addresses the question how complaints in the voluntary youth care system are dealt with on the municipal level and what role (municipal) Children’s Ombudspersons play in this context, through qualitative research methods.

On behalf of the interdisciplinary programme Social Resilience & Security, we would like to remind you of the call for proposals for seed funding (up to €4.000) to boost interdisciplinary research.

Chaider Bamualim defended his thesis on 9 September 2015

The League of European Research Universities (LERU) makes recommendations for the future of the Social Sciences and Humanities research in Europe. Social Sciences and Humanities (SSH) research is vital to build an innovative and resilient Europe.

Semiha Aydin is one of the three first-generation researchers who received a grant from the Leiden Empowerment Fund to stimulate their scientific career.

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.

PhD defence

The ‘Toetsingscommissie Inzet Bevoegdheden’ (TIB), an independent Dutch committee overseeing intelligence efforts and competences, is facing criticism on its supervision of the Dutch intelligence services. ‘Whether the increased supervision is hurting (national) security, can really only be determined…

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

Climate change is made up, the secret services murdered Pim Fortuyn and JFK, and the moon landing was a fake show. Conspiracy theories are of all times, providing sensation and entertainment, but also unrest and fear. The corona pandemic is new fuel for conspiracy theorists who set fire to 5G masts,…

How safe do you feel when you’re walking around the streets of Leiden? Do you generally feel safe? Are there any situations when you feel unsafe in the city? These are the kinds of questions that Leiden’s City Criminologist Marianne Franken – from Leiden University – hopes to be able to answer. In collaboration…

As part Leiden University's interdisciplinary programme Social Resilience and Security, dr. Marieke Liem has been appointed Professor Security and Interventions effective 1 January 2020.

Reijer Passchier, Assistant Professor of Constitutional and Administrative Law, recently published a statement entitled 'The AI Safety Summit at Bletchley Park Asked the Wrong Questions' in the International Journal of Social Quality.

How safe do you feel walking on the street in Leiden? Do you feel safe, or are there situations that make you feel unsafe in the city? These are questions that city criminologist Marianne Franken of Leiden University wants to find answers to. In collaboration with the municipality of Leiden and the…

Delineating psychophysiological endophenotypes of social anxiety disorder

A new bill is currently under debate in the Netherlands, advocating raising the prison sentence for manslaughter from 15 to 25 years. ‘This very serious crime (...) evokes feelings of disgust and insecurity in society’, Dutch Minister for Justice and Security Grapperhaus comments on the sentence that…

Per 1 september 2021 is de stad Leiden een heuse stadscriminoloog rijker. Marianne Franken gaat in een vier jaar durend promotieproject onderzoek doen naar de veiligheidsbeleving van Leidse burgers.

From 23-25 April 2014, a conference will be held on the topic of Buddhism and Social Justice. This conference confronts the common perception of Buddhism as intrinsically a tradition of peace and justice, and explores the various ways in which historically Buddhist societies of Asia have shaped, transmitted,…

Societal challenges call for a resilient society. In taking steps towards a more resilient society, friendships play a major role. But how exactly do friendships relate to resilient behavior? In Dutch opinion magazine Vrij Nederland, Anne-Laura van Harmelen (professor Brain, Safety and Resilience at…

Through this research, we aim to gain a clear understanding of perceptions of safety in Leiden. The results will provide us with information about current perceptions. As Leiden’s City Criminologist Marianne Franken explains: ‘This research really focuses on Leiden’s residents. That’s why want to ask…

Carsten de Dreu has received the Carol and Ed Diener Award in Social Psychology which is designed to recognise a mid-career scholar whose work has added substantially to the body of knowledge to the social psychology field and brings together personality psychology and social psychology.

We are currently gathering information about how safe Leiden’s residents feel. To do this, we are using online surveys that give us an idea of perceptions of safety in Leiden.

This thesis presents the systematics, epidermal defense, and bioprospecting of wild orchids.

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.

Drug Discovery and Safety consists of 120 European Credit Transfer System (EC) points. NOTE: This specialisation will be integrated into the new specialisation ‘’Research in Bio-Pharmaceutical Sciences’’ as of September 2025.

Individuals suffering from social anxiety disorder (SAD) consistently avoid eye contact. However, in a non-clinical population, gaze avoidance in socially anxious individuals depends on social situations, Jiemiao Chen saw in a series of experiments, for which she used wearable eye-trackers. On 25 April…

The research presented in this thesis concerns one of the most important questions in software engineering of our time: how can we make sure that software is free from memory safety bugs?

Division contact information & address

Promotor: B. van de Water

Throughout this research project, you will often find us on the streets of Leiden talking to residents about their perceptions of safety. Over the coming months, you may well find our interns Jelle and Roellinde in Leiden’s many districts and in markets, shopping centres and meeting places across the…

Who can you contact for support and advice?

In an appeal case, an employee of a care organisation in Nijmegen who was shown the door because of her criticism about the coronavirus voiced on LinkedIn, has had her dismissal reviewed. The court in Arnhem ruled that the employee had crossed a line and that her employer was entitled to dismiss her…

It was already known that social anxiety disorder often affects more than one person in the same family. But research by PhD student Janna Marie Bas-Hoogendam has now shown that there are genetic brain characteristics that are associated with social anxiety. The PhD ceremony will take place on 14 Ja…

Risk has become one of the defining features of modern society. This course examines various types of safety and security risks, and how these are perceived and dealt with in a wide array of professional and academic fields, ranging from criminology, counter-terrorism and cyber security, to philosophy,…

We are committed to provide you with meaningful, rigorous and quality graduate experiences in a personalized environment with a cutting edge research infrastructure and internationally renowned supervisors.

Negative perceptions of ambiguous social cues, social performance and physical arousal in socially anxious youth

In the Bachelor’s in Security Studies you study 21st century security challenges and learn to devise strategic solutions to a complex world.

Shyness is perfectly normal, Michiel Westenberg stated in his farewell lecture. But that doesn’t mean that social anxiety shouldn’t be identified and addressed in good time. ‘Serious shyness has strong genetic roots; you don’t just get over it.’

The interdisciplinary programme Social Resilience & Security is inviting proposals for seed funding. The programme aims to combine knowledge and expertise from five different faculties to study transgressive behaviours, its dimensions, aetiology, and effects of interventions with a multidisciplinary…

The Drug Discovery and Safety specialisation consists of compulsory and optional components.