In my research I am concerned with the possibility of a politics of sexuality without reverting to identitarian conceptions of sexuality. In a reading of the work of the American author James Purdy, I propose to move towards a politicizing of the concept of narrative identity as developed by the French…

Although sexual abstinence before marriage is no longer the central message in The Netherlands the affective relationship as a criterion for professionals within criminal justice can be seen as a more contemporary version of marriage.

Categories of gender and sexuality are the subject of heated debates in our everyday lives. To understand how systems of gender and sexuality operate, and why these are such contested areas we need to study these categories came about historically.

This book presents a new framework for regulating human-like machines designed for emotional and sexual engagement, often powered by AI.

Sexual homicide is a rare phenomenon. Yet, sexual killing is widely reported on in the media. Even though academic research on sexual homicide is conducted abroad, in the Netherlands such research is virtually absent.

This book investigates how gay-identified immigrants and refugees experience feelings of inclusion or exclusion within a sexually-charged online subculture. Explores the response of ethnic minorities to demonstrations of racism and xenophobia within an intolerant European climate. Challenges political…

Immigrants in the Sexual Revolution. Perceptions and Participation in Northwest Europe. Andrew Shield

On 11 June 2020, Sabine Witting defended her thesis 'Child Sexual Abuse in the Digital Era: Rethinking Legal Frameworks and Transnational Law Enforcement Collaboration'. The doctoral research was supervised by Prof. J.J. Sloth-Nielsen and Prof. S. van der Hof.

The dissertation’s general aim is to investigate how a peer educator intervention can promote social acceptance of LGBT in pre-vocational education and whether the activities in this intervention ensure that students learn to respectfully deal with LGBT people in school.

This summer school focuses on the emergence of sexual orientation, gender identity (SOGI) and intersex issues in different areas of international law, such as human rights law, refugee law, international economic law, and international criminal law. Further details and registration information will…

Research reveals how boys respond to harassment awareness training and why they often fail to see street harassment as 'their' problem.

On 22 June, Anneke Koning defended the thesis 'Return to sender: a multi-method study of guardianship against transnational sexual exploitation of children'. The doctoral research was supervised by Joanne van der Leun, Masja van Meeteren and Johan van Wilsem.

PhD defence

The power of personalized nutrition lies in being able to conduct clinical research on healthy people while capturing metabolic markers sensitive to the impact of environmental and metabolic stressors (e.g. diet, changing sex hormones and the menstrual cycle).

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?

Undesirable associations with sex can be unlearned, but return if the circumstances change. They must therefore be unlearned in different situations. The drug D-cycloserine may help here. These are the findings of psychologist Mirte Brom.

Warning colours ensure that predators remember that certain prey are poisonous. But now it appears that the colours of poisonous Panamanian frogs are also influenced by fastidious females: partner choice can also lead to colour change in these frogs, as Leiden researcher Martine Maan has reported in…

Why do sexual violence policies still fail to systematically address men and masculinities, when the need for cultural change among men has been central in public debates since #MeToo?

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…

Of the women studying at university, 52% have experienced some form of sexual harassment. For male students, the figure is 19%.

Portraits that gaze at you and have moving stories to tell: HEAR ME NOW says what usually remains unsaid.

Milou Deelen (24) rapidly rose to prominence as the Dutch advocate of frank talk about women’s sexuality. It has cost her dear, but she has received so much assent, praise and support that she won’t be giving up anytime soon. In the Annie Romein Verschoor Lecture on 5 March, Leiden University’s celebration…

Leiden University signed the Amnesty International ‘Let’s talk about YES’ manifesto on 10 March, confirming the university’s commitment to preventing sexual violence. Steps will also be taken to make sure that everyone within the university feels responsible for a culture in which sex is based on equality…

PhD Candidate Sabine K. Witting has published an article ‘Regulating bodies: child sexuality in the digital era’ in the Critical Quarterly for Legislation and Law, Vol. 1 2019.

To what extent are individuals socialised with heteronormativity and gender norms by the national context in which they live, by Dutch schoolbooks, and within Dutch families?

The fact that sexual harassment in the workplace is a persistent problem became painfully clear again last year, especially after the widely watched ‘Boos’ broadcast on Dutch television. In June, the Supreme Court in the Netherlands settled a matter related to employment law: sexual harassment does…

On 24 and 25 April 2025, the Trippenhuis in Amsterdam — home to the Royal Netherlands Academy of Arts and Sciences (KNAW) — hosted an interdisciplinary workshop organized by dr. Rafal Matuszewski, an ancient historian at the Institute for History in Leiden.

How tolerant is the Netherlands on the work floor? Jojanneke van der Toorn, Professor of the Workplace Pride Chair, the first in the world dealing exclusively with LGBT inclusion in the workplace, answers questions on the International Day against Racism and Discrimination.

On Wednesday 25 January, the British Embassy, the Global Transformations and Governance Challenges (GTGC) programme at Leiden University and Women in International Security Netherlands (WIIS-NL) were hosting a round table with Professor Bina D’Costa to discuss the prevention of conflict related sexual…

On 20 February 2018, Simone van der Hof will give a lecture on the use of AI in combating online sexual abuse of children at the Academy of European Law (ERA) in Trier during the seminar The Life Cycle or Electronic Evidence - Handling E-Evidence in Child Sex Abuse Material.

Sex and power are closely linked, and this was certainly true in the former Dutch colonies. PhD student Sophie Rose investigated how sexual and love relationships influenced eighteenth-century power structures there. 'You can see that there was constant fighting over who stood where in the social hi…

When are you (sexually) mature? A KNAW grant will enable associate professor Rafal Matuszewski to organise an interdisciplinary workshop on this question.

It is one of the most talked-about subjects right now: how do we eradicate sexual harassment and violence? Alumnus Femke Eisma is the spokesperson for Mariëtte Hamer, the government commissioner tasked with tackling this persistent social problem. Eisma studied the Dutch language at Leiden. How is her…

Young transgender people are able to decide together with their parents on a reversible intervention with puberty blockers. These are the results of a study by LUMC Curium and Amsterdam UMC of 74 young people undergoing treatment. Ninety percent of the young people studied proved able to make an informed…

Sexuality is a fundamental part of being human. Yet, for many people with disabilities, it remains overlooked, unsupported, and surrounded by stigma. NWO-VIDI Sex, Care & Robots confronts that long-standing neglect with a project that envisions an urgent yet straightforward future: one in which sexual…

Regulating Relations: Controlling Sex and Marriage