The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding teaching.

Research in the History and International Studies 1900-present specialisation addresses the interconnectedness and interdependence of contemporary global political, economic and cultural developments from a multidisciplinary perspective which is rooted in the humanities.

It is advisable to open Dutch bank account once you move to The Hague (if you do not have one already), as it will allow you to get many other services such as a mobile phone contract, transportation, etc.

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Can socioeconomic differences in health behaviour be explained by competing goals and demands in everyday life?

A master's degree in Psychology at Leiden University combines theoretical knowledge with academic and professional skills, making you an attractive candidate for many employers. However, there are far more graduates than vacancies, especially in mental health care, and competition is therefore fierc…

Registration Judges International Semi-Finals

Please feel free to ask any questions you may have about education or research at the Living Lab. You can contact the secretariat of the Institute of Environmental Sciences (CML).

Lecture

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.

This handbook provides a resource for those already familiar with some kinds of micro-particles who wish to learn more about others, or for those just starting out in the study of microremains who wish to have a broad understanding about microscopic archaeology.

This study stresses the importance of investigating vitamin D deficiency in every community to better understand the deteriorating effect that sociocultural practices may have had on health.

What better way to represent women in the present than to ask them? The Museums Matters Class decided to ask Leiden’s Leading Ladies to loan an object which they felt encompassed their time here, from those in their undergraduate to one of the 23 female professors, with many positions in between.

Andrea Giolai defended his thesis on 3 May 2017.

To address the fundamental questions of how life on Earth emerged and how common life may be in the Universe, it is crucial to know the chemical composition of the planet-forming material.

What legislative and regulatory questions arise when children, adolescents or elderly people use the Internet?

Healthcare robots and AI is a project that investigates the legal and regulatory aspects of healthcare robot and Artificial Intelligence (AI) technologies

The four possible segments A, T, C and G that link together to form DNA molecules, and with their ordering encode genetic information, are not only different in name, but also in their physical and chemical properties.

The research described in this thesis shows that hypercholesterolemia, a well-established risk factor for atherosclerosis, can impact skin lipid pool and barrier function already at young age. In the field of atherosclerosis, we showed that the small peptide Lyp-1 can be used as a targeting molecule…

On 30 June 2016, Eesa Fredericks is expected to defend his Ph.D.-thesis ‘Contractual Capacity in Private International Law’ in Leiden. Supervisors are prof. Sierd J. Schaafsma (Leiden) and prof. Jan Neels (Johannesburg).

Bahar Şimşek defended her thesis on 4 May 2021.

On 7 May 2020, Jolanda van der Vliet defended her thesis 'The International Legal Protection of Environmental Refugees. A human rights-based, security and State responsibility approach'. The doctoral research was supervised by Prof. N.J. Schrijver and Prof. J.J.C. Voorhoeve.

Representations of violence are often said to generate cathartic effects, but what does “catharsis” mean? And what theory of the unconscious made this concept so popular that it reaches from classical antiquity to the digital age?

On 1 February 2018 Nathalie-Sharon Koster defended her doctoral thesis ‘Crime victims and the police’. The doctoral research was supervised by Professor J.P. van der Leun and M.J.J. Kunst.

In this publication, Prof. Tahir Abbas, Inés Bolaños Somoano, Joana Cook, Isabelle Frens, Graig R. Klein and Richard McNeil-Willson look into the manifesto that was linked to the Buffalo attack in order to better understand the broader context and specific factors that motivated the perpetrator.

On the 26th of May Sudarmoko successfully defended a doctoral thesis and graduated.

Social Science Matters is an online variant on London’s famous Speakers’ Corner – a platform for the researchers in the various disciplines in the Faculty of Social and Behavioural Sciences to react to the news. This soapbox gives our social scientists an opportunity to voice their opinions on current…

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.

People who have taken antibiotics in the past three months pay more attention to negative facial expressions, according to research by postdoc Katerina Johnson and assistant professor Laura Steenbergen. This may explain how antibiotics increase the risk of developing depression.

This study offers a new view on public services in the early modern Low Countries and answers the following questions: who provided public facilities in urban communities and in which ways did public amenities change in the period between 1500 and 1800?

Tuberculosis is an infectious disease which is spreaded through the air. It is caused by Mycobacterium tuberculosis and it led 1.7 million people to death in 2016. This mortarlity rate is concentrated in developing countries such as Indonesia, Philippines, Pakistan, and South Africa. These numbers make…

The redox-conversion reaction of metal-disulfide and metal-thiolate complexes are important, as they may shed light on electron-transfer reactions that often occur in Nature.

This thesis is concerned with the constitution of chiral responsive matrix assemblies that may undergo light-driven conformational changes and self-select vibrations to develop vibronic states for driving semi-classical coherent transfer with nearly 100% yield in a lossless NCAP process.

On this page you will find all the house rules and conditions that apply to visiting the Old Observatory.

There is concern about the threat that nanoplastics (NPs) may pose to both wildlife and humans. This thesis explores the mechanisms of toxicity of polystyrene nanoparticles (PS-NPs) in chicken embryo.

On April 26th, Kate Bellamy succesfully defended her doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Kate on this great result.

Promotores: Prof.dr. H. van Veen & Prof.dr. W. de Boer (Wageningen University)

The 80,000 visitors to the Liberation Day Festival in The Hague on 5 May can learn about 444-year-old Leiden University at a range of interactive events on Malieveld and in the Dutch Parliament.

Can we speak of a single Islamic discourse in fields like politics, militancy, economics, sustainable development, and the like, and what interaction does this Islamic though have with ‘Western’ thought?

I want to understand the overlap between physical health, mental health, and healthy aging and whether/how stress (behaviorally and biologically) may tie these concepts together.

Plant diversity is essential for us and our planet as it sustains the stability of our ecosystems, provides vital materials and food to us and supports many ecosystem services.

PhD candidates carry out a programme of independent research and additional (limited) course work, culminating in production of a PhD thesis in typically 4 years.

This series of publications brings together new material on wellconsidered themes within the wide area of Early Modern Studies.

On May 2nd, Petr Kocharov succesfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Petr on this great result.

Escalating tensions in South China Sea have epitomized US–China relations for nearly a decade. Warning signs of a possible collision between a rising China and steadfast US, bring to light the need to think about ways that can halt and reverse the intensification of their confrontational moves.

Can zebrafish larvae be used as a behavioural model for screening natural products as potential neurotropic drugs?

Promotores: Prof.dr. H Lenstra, Prof.dr. A Facchini (Padova University)

On 9 May 2018, Roy van Keulen defended his doctoral thesis 'Digital Force: Life, Liberty & Livelihood in the Information Age'. The doctoral research was supervised by Prof. dr. A. Ellian.

Promotores: J.N. Kok, H.J. Hoogeboom

Galaxies in the local Universe fall into two main categories of spirals and ellipticals. In this Thesis, we explore the structural evolution of galaxies into this bimodal distribution.