Can effective synergists be identified to enhance the effect of antibiotics against Gram negative pathogens?

Stem cells can be differentiated into insulin-producing cells.

Is translocation of nucleases possible via Agrobacterium T4SS and is it efficient enough for mutagenesis?

The master's specialisation Clinical Psychology consists of three main parts: the mandatory and elective courses, a thesis and an internship.

Researchers at Leiden study group behaviour. One of their findings is that when people make sacrifices for another member of their group, it is probably instinctive. Insights of this kind enable us to better understand and influence the social processes in a neighbourhood or company.

Welcome to the Graduate School of Social and Behavioural Sciences at Leiden University.

There are five institutes at the Faculty of Social and Behavioural Sciences:

Cancer is the leading cause of death in the Netherlands, and, with over 100 different types of cancer, it’s not a simple disease. Today, skin, breast, lung, prostate and colon cancer are the most diagnosed forms. Therefore, the discovery and development of new drugs has the ability to significantly…

We are very happy to welcome you to spend a semester or year studying with us at the Faculty of Social and Behavioural Sciences. This website will provide you per programme with information on your course schedules and much more.

In 2021, the National Cyber Security Centre (NCSC) asked Leiden University to conduct a rapid review of best practices and possibilities for follow-up research on the integration of behavioral sciences in security by design methodologies and projects. This academic field is called security by behavioral…

How does stress influence cognitive performance? What is the role of selective attention to threatening information in this effect? Could we prevent stress-induced decline of cognitive performance with pharmacological interventions? Could we use resting state theta/beta ratio as a biomarker for cognitive…

As a psychologist and pilot, Bert Busscher is interested in the phenomenon often termed as fear of flying. Busscher discovered that the heart rate of a person undergoing a therapeutic flight shows how much they still suffer from fear of flying. The post-flight heart rate can even predict whether the…

The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding teaching in the disciplines of cultural anthropology, education and child studies, political science, psychology, science and technology studies, as well as in multidisciplinary approaches.

On 1 April 2020, Marc Broekema defended his thesis 'Cognitive Bias in the Judgment of Business Valuations and Valuators'. The doctoral research was supervised by Prof. J.I. van der Rest.

If you have been subjected to (sexual) intimidation, bullying, aggression, violence or discrimination, you can contact the confidential counsellors on unacceptable behaviour. They have a fully independent position and everything you discuss will be treated with the utmost confidence.

The work presented in this thesis addresses the role of the locus coeruleus (LC) - norepinephrine (NE) system in various aspects of human cognition, and the modulation of brain state.

Ontwikkeling van resistentie tegen antibiotica kan optreden als patiënten onnodig of te lang met antibiotica behandeld worden. Diagnostiek waarmee snel een bacteriële infectie vastgesteld kan worden, of de response op antibiotica bepaald kan worden, zijn daarom belangrijk om therapie te optimaliseren…

The recently published book 'Tense-Switching in Classical Greek A Cognitive Approach' by Arjan Nijk provides classicists and linguists in general with a complete account of the 'historical present' in Classical Greek.

In this thesis, we used genetically engineered mouse models to identify genes and pathways that are involved in ILC formation and in the development of resistance to FGFR-targeted therapy.

On May 17th, Arthur Crucq succesfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Arthur on this great result.

We aim to gain a better understanding of the natural disease progression of ALS in order to improve clinical trial design and analysis and to support drug discovery and clinical development of new drugs.

Knowledge and culture subproject 4:

Research in Leiden University’s Institute of Political Science focuses on the dynamics and the interaction of political institutions, individual decision-making, and collective behaviour.

Sanne Kellij and colleagues systematically reviewed 142 articles, examining evidence for three hypotheses on the relation between victimization and social information processing.

How to identify patients at risk of developing devastating, metastatic disease and facilitate the development of personalised treatment for prostate cancer patients?

Adults who were abused or mistreated as a child and consequently suffer from post-traumatic stress disorder (PTSD) can benefit greatly from cognitive behavioural therapy. This is the conclusion of a study of 149 patients. Researcher and PhD candidate Chris Hoeboer is hopeful about the results and the…

By training with virtual opponents known as computer generated forces (CGFs), trainee fighter pilots can build the experience necessary for air combat operations, at a fraction of the cost of training with real aircraft.

Leiden University social scientists have shown that customised intervention pays off. A new fundamental research-based approach in children who are in danger of going off the rails has delivered spectacular results.

Can SMILE, our multi-component intervention, which combines cognitive-behavioural therapy for insomnia, mindfulness, stress, and lifestyle components, improve sleep quality? Can it also improve mood and quality of life and prevent depression and anxiety in the long term?

Promotores: Prof.dr. M.K. Richardson, Prof.dr. H.P. Spaink

Science, Leiden Academic Centre for Drug Research (LACDR)

Members of our research team give different types of presentations and lectures.

This dissertation investigates Extended Lexical Units (ELUs), elements that are bigger than just one word and which are stored in the Lexicon.

All research performed in the Leiden University Faculty of Social and Behavioural Sciences is ethically reviewed by 1 of 3 ethical review committees.

This thesis focuses on using liposomes in two different treatment strategies; vaccination (or immunotherapy) and delivery of a small molecule, and in two different disease models; cancer and atherosclerosis.

A Study of Middle Palaeolithic Riverside Settlements at Maastricht-Belvédère (The Netherlands).

The Leiden Index of Depression Sensitivity (LEIDS) measures cognitive reactivity (CR) to sadness, an aspect of cognitive vulnerability to depression, conceptually similar to rumination.

Promotor: S.M. Verduyn Lunel

The development process of any software has become extremely important not just in the IT industry, but in almost every business or domain of research.

The master's specialisation Health and Medical Psychology consists of three main parts: the mandatory and elective courses, a thesis and an internship.

On 22 January, Annemarie Madani-Abbing will defend her dissertation 'Art therapy and anxiety' regarding her research into the effectiveness of anthroposophic art therapy in treating anxiety in women. We asked her about her research and what it was like to combine a job outside academia with studying…

Primary Objective: The primary aim of the proposed RCT is to evaluate whether LF-TLP in blended form as an indicated prevention for anxiety complaints is more (cost-) effective than TAU according to the NHG guideline Anxiety. We hypothesize that in comparison to TAU, LF-TLP will result in a significantly…

The main aim of my Ph.D. thesis is to further explore the value of using early developing zebrafish larvae (up to 5 dpf) as a model to study anxiety-like behaviour and their pharmacological modulation with drugs.

Anthropogenic noise negatively affects wildlife in a wide range of taxonomic groups.

How do humans control their thoughts and actions, and what can high-field brain scanning reveal about the underlying processes?

The research question is that unconscious perseverative cognition (UPC) is responsible for a considerable part of cardiovascular (CV) activity that occurs even in the absence of threats and other stressors that one may encounter in one’s daily life.

Political scientists Tom Louwerse, Simon Otjes & Cynthia van Vonno introduce the Dutch Parliamentary Behaviour Dataset, a record of parliamentary (voting) behaviour in the Dutch Tweede Kamer (Second Chamber, House of Representatives) since 1945.