Can excessive worrying be reduced via stimulation of the vagus nerve?

Lange tijd wisten we ons thuis in een wereld die we meenden te hebben. Het bestaan in deze vertrouwde wereld vormde onze existentie, die we op een eigenlijke wijze op ons namen. Thans is de wereld echter niet meer wat hij was, en zijn we ook zelf niet meer wie we waren. ‘De wereld is weg’, zo dichtte…

The course is taught by experts from Leiden University’s Institute of Security and Global Affairs (ISGA) from Leiden University, and guest speakers from various countries and universities. They bring academic depth and practical experience from the fields of security policy, counterterrorism, and international…

Philosophy of law is concerned with the the foundations of law.

Who were the main artists and producers who generated new forms of popular music? What was the music like that was produced by artists in particular urban settings? How were particular lifestyles articulated to identify new audiences and what does this reveal about the way popular music contributed…

Digitalisation to achieve sustainable (administrative) justice.

Why are people sometimes unable to change, even if they want to? Why is it so difficult to change political institutions, or to abandon outdated ways of thinking? This book suggests that we can understand the phenomenon of resistance to change in individuals and institutions by returning to Hegel, one…

Much has been said regarding the global flows of information that are characteristic of modernity; it has been frequently stressed that these conduits are so deeply embedded that local or national environments may be imagined as having a global span. Thus, while we are now well aware that the imagination…

The profile area Political Legitimacy brings together researchers from multiple research institutes within Leiden University.

Schuurman examines how Russia is escalating its covert operations against European countries.

In 2012, the Dutch National Coordinator for Security and Counterterrorism and the Dutch Probation Service launched a reintegration project for offenders on probation or parole who were (suspected to be) involved in jihadist extremism or terrorism. The initiative's primary goal was to reduce the chance…

The second and final report on the Netherlands‘ crime-terror nexus has analysed all fourteen profiles of individuals arrested in 2015 for offences of terrorism.

This research note argues that the “lone wolf” typology should be fundamentally reconsidered.

This thesis concerns the relation bettween the good reduction of Shimura varieties and the associated loop groups.

Polarisation in our society is on the rise. What makes people increasingly radical? How do we protect ourselves from extremist, terrorist or criminal threats, be they physical or in the cyber world? And what role do intelligence services play in this?

This project sets out to map, document and analyze instances of squatting in Leiden from 1970 to 1990, in order to set up an online Digital Archive of Squatting in Leiden. This archive will function as an online resource for academic research, as well as a starting point for public activities such as…

Lecture, Language and the Human Past

The Leiden Centre for Continental Philosophy (LCCP) is a research community based at the Institute for Philosophy at Leiden University. LCCP is envisaged as an open space for stimulating discussion, critical debate and inventive co-operation in the local and international philosophical community. We…

What was the environmental impact of the industrial mining revolution that transformed southern Africa? Specifically, what was the impact of industrial mining when viewed from a more than human multi-species perspective?

Leiden University will be the stage of the annual award ceremony of the World Cultural Council (WCC) on 8 November. We answer the five key questions about these prestigious prizes.

The Australian Research Council funded a truly ‘global archaeology’ project comparing the archaeologies of southwest Tasmania and southwest France during the last Ice Age.

On Friday 4th February 2022 we welcomed in hybrid format (in person and online live streaming) 154 registered participants, of which 97 online, to present the first results of the Food Citizens? ERC Consolidator project.

This timely and engaging book examines the rise of populism across the globe. Combining insights from linguistics, argumentation theory, rhetoric, legal theory and political theory it offers a fully integrated characterization of the form and content of populist discourse.

Unmanned aerial vehicles (UAVs), often referred to as drones, have become easy and inexpensive to buy, and it is generally expected that the use of drones by private individuals, businesses and public authorities will increase tremendously in the coming years. This raises questions as to what is technologically…

Announcement of the publication of Vamping the Stage: Female Voices of Asian Modernities, the first book-length study of women, modernity, and popular music in Asia (University of Hawai'i Press, 2017).

Global Challenges is the research programme of the Leiden Institute of Cultural Anthropology and Development Sociology.

Fundamental research in the ALgebra, Geometry And Number Theory

EuDEco (Modelling the European Data Economy) is a Coordination & Support Action (CSA) receiving funding from the European Union’s Horizon 2020 programme.

The authors in this volume explore how external innovations (products, technologies, services, institutions and processes) have been appropriated in African societies in order to be acceptable and relevant to local conditions, expectations and demands.

Pottery traditions and social interaction in the earliest Neolithic of the Lower Rhine Area

This paper contributes on an increasing body of work on radicalisation. It specifically focuses on what distinguishes individuals whose behavioural radicalisation includes involvement in terrorist violence from those whose behavioural radicalisation does not.

Source: Nat Biotechnol, Volume 32, Issue 12, pp. 1213-22 (2014)

Sweetie 2.0 is a research project commissioned by Terre des Hommes on online child sex tourism and criminal law.

The Turn of the Soul: Representations of Religious Conversion in Early Modern Art and Literature

Together with Knud Andresen, Bart van der Steen recently published a volume titled A European Youth Revolt. European Perspectives on Youth Protest and Social Movements in the 1980s.

This article presents an in-depth evaluation of a specialized reintegration initiative within the Dutch Probation Service focused on individuals convicted or suspected of involvement in terrorism.

Transcutaneous vagus nerve stimulation (tVNS) was tested in chronic worriers. tVNS may reduce spontaneously occurring negative thought intrusions. After a worry induction, there was no longer an effect of tVNS. tVNS did not affect physiological responding to worrying.

Source: Eur J Med Chem, Volume 101, pp. 681-91 (2015)

Squatters and autonomous movements have been in the forefront of radical politics in Europe for nearly a half-century—from struggles against urban renewal and gentrification, to large-scale peace and environmental campaigns, to spearheading the antiausterity protests sweeping the continent.

In recent years, the use of primary data in terrorism research has increased. In order to maximise the benefits of this trend, we want to encourage terrorism scholars to implement open science practices more systematically. This article therefore presents different avenues towards open and reproducible…

Why does one person radicalize to involvement in terrorist violence within a group-based context, while another engages in this form of violence alone?

From deepfakes and disinformation to killer robots, surgical robots and AI lawmaking: AI (Artificial Intelligence) is changing our world. That raises the question whether this requires some form of regulation. At eLaw, the Center for Law and Digital Technologies at Leiden University, prof. Bart Custers…

The book addresses the question “How and why do people become involved in European homegrown jihadism?

In this article, Bart Schuurman and Sarah Louise Carthy conduct further research into the understanding of the causes of terrorism by assessing differences and similarities between left-, right- and jihadist extremists and terrorists. The article draws on the Analysen zum Terrorismus, one of the most…

The institute has six secretariats for the various departments and is located at the Kamerlingh Onnes Gebouw.

In this article, Bart Schuurman and Sarah Louise Carthy explore the distinctions between radicalised individuals and the general population

Childhood sexual abuse is a common problem, with approximately one in five girls and one in 13 boys worldwide experiencing some form of sexual abuse before the age of 18. Despite its high prevalence, many individuals remain silent about these experiences, often delaying disclosure for years, with one…

In this publication, the authors explore the reality of accessing and interviewing hard-to-reach populations such as extremists and terrorists

Each year, the Leiden University Student Platform (LUS) presents the Leiden Education Prize.