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.

This article provides an in‐depth assessment of lone actor terrorists’ attack planning and preparation.

Promotor: P. Stevenhagen, Co-promotores: B. de Smit, F. Andreatta

In this thesis we classify the pairs (p,G), where p is a prime number and G is a finite p-group possessing an intense automorphism, i.e. an automorphism that sends each subgroup of G to a G-conjugate, that is non-trivial and whose order is coprime to p.

Promotor: Prof.dr. P. Stevenhagen, Co-promotor: Prof. dr. B. de Smit

Source: Nature Biotechnology, Volume 2014, Issue June (2014)

The Graduate School of Social and Behavioural Sciences has the responsibility for all PhD candidates in the field of social and behavioural sciences. The School's themes are anthropology, education and child studies, political science, psychology and science and technology studies..

Do you wish to contact us for further information on the collaboration between Leiden University and Indonesia?

Unfolding potential

In the last two decades, there have been heated public and scholarly debates in France, the United Kingdom, and the Netherlands on the violent end of empire. Nevertheless, the broader comparative investigations into colonial counterinsurgency tend to leave atrocities such as torture, execution, and…

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

Source: Purinergic Signal., Volume 10, Issue 3, pp. 441-53 (2014)

With the rise of information and communication technologies, large amounts of data are being generated and stored in databases. In order to get a better grip on these large amounts of data, serious efforts are being made to discover patterns and relations in the data with the help of new techniques.…

e-SIDES (ethical and societal impact of data sciences) is a Coordination & Support Action (CSA) part of the Horizon 2020 programme.

What are the circadian disturbances underlying depression vulnerability? How are they related to mood, cognition and sleep ?

Embedding ethical legal and societal aspects for responsible military AI.

Examining mediation and moderation.

The precise psychobiological mechanisms leading to chronic physiological stress responses have not been sufficiently explained, although stress is a major risk factor for disease and early death. A problem for conventional stress theory is that most of these responses seem to occur in situations without…

Promotores: B. Erez, P. Stevenhagen, Co-Promotor: B. de Smit

The data-driven economy allows for the collection and processing of large amounts of data. Such data can be used to optimize profits by (dynamically) differentiating prices for different consumers.

Following the format of Privacy Law Scholars Conference (PLSC) in the United States, PLSC Europe is a conference for stimulating work in progress. Discussants, rather than authors, kick off and lead a conversation on a paper. There are no panels or presentations by the authors. Attendees read papers…

Meet Bart, Reza, Weiyan, James, Daphne and Yasmin.

What was the relationship between women and modern media in different parts of Asia in the 20th century? Under what historical and social conditions did women achieve prominence in popular music in Asia?

The Faculty of Science is located at the Leiden Bio Science Park. It was founded more than two centuries ago and currently, more than 8000 people are working and studying at the eight institutes.

Can process-oriented dynamic testing be applied to everyday educational practice?

This study focuses on increasing our understanding of the different pathways converts take during conversion to Islam.

The LUCL Labs consist of four spaces equipped to conduct high-quality experimental linguistic research.

Source: Biochem Pharmacol, Volume 95, Issue 4, pp. 290-300 (2015)

Ethnography and Photography in a Moroccan Berber Village

What role do parent-child interactions play in the development, maintenance and treatment of depression in young people?

LUCIS is an interfaculty knowledge centre offering a multidisciplinary and comparative view on Islam and Muslim societies.

With Leiden University Press, LUCIS publishes a peer-reviewed book series “Debates on Islam and Society” aimed at a broad audience. A number of books in this series are available in open access.

What is the effect of a dynamic training in children’s inductive reasoning skills and how is it related to children’s school performances and language development.

What is the optimal way to utilise intermediate assessment in improving study behaviour and study success?

How did digital intermediality symbolise and facilitate the transfer of content from popular culture into policy statements and vice versa in the period between 1945 and the new millenium?

Research goal: To support the design of technologies (counter-measures and communication measures) for the prevention, interdiction and mitigation of lone actor extremist events (LOEEs), which are hard to anticipate, yet can be highly damaging to local and national communities and therefore must be…

In the Surveillance and Security Threat Monitor 2022-2023, the research project thematically examined threat developments.

During the 1980s and early 2000s, authors like Alex Schmid and Andrew Silke demonstrated the paucity of first-hand insights being used to study terrorism and the consequences this had for the reliability of the findings beings presented. But to what extent have these issues endured?

Now and then we organise book launches to present the latest publications, both academic and popular, in our broad field.

Source: Mol Pharmacol, Volume 87, Issue 2, pp. 305-13 (2015)

Psycholinguistic research