The aim of this thesis was to study the link between hearing loss, language skills, and social functioning in deaf and hard of hearing (DHH) children. Sufficient language skills are an essential prerequisite to develop appropriate communication skills, in order to join in conversations with others.…

Depression and anxiety disorders among youth are causing major problems worldwide. The mechanisms involved are still unknown, however. Moji Aghajani – Assistant Professor at the Institute of Education and Child Studies - aims to provide new insights with his research

This project explores the decline of shifting cultivation in Northeast India. What is the impact on society of people’s deepening engagement with markets and the state?

During eye contact, people tend to mirror the pupil size of the person they are conversing with. This social mechanism is related to the trust an individual has in the person they are talking to, according to research by psychologists at Leiden University. Publication in PNAS.

To argue that people can control the relative contributions of goal-driven and stimulus-driven processes to decision-making and action selection.

What is the role of stress and stress-related hormones in emotion regulation?

Welcome to the website of the ‘Brave Little Ones’ research group!

Researchers from five different discplines work together in this interdisciplinary initiative.

This article, by Sara Perlstein, explores how perceived social acceptability shapes whether people talk about risks, showing that risk perceptions and conversations are socially negotiated rather than purely individual.

What if you get excluded? Are apps against fear and stress effective? How do you keep your brain in shape? The first season of the new podcastseries ‘BreinGeheim’ is about the social contexts of adolescent development and how teens become resilient individuals. Leiden-based behavioural scientist sit…

In the third round of the NWO Open Competition SGW-XS pilot program, development psychologist Anke Klein and neuropsychologist Marit Ruitenberg each received a NWO XS grant for their research proposals. These grants are awarded to research projects with a promising ideas or innovative initiatives. Previously…

L1-oral language education is widely regarded as essential for developing communicative competence and critical thinking. However, as a research domain it remains relatively underexplored. The aim of this study was to identify effective elements and challenges within oral language education and to contribute…

LiTechAe: Percussive stone tools related to stone masonry techniques seen through experimentation and use-wear analysis.

Analysis of neuroimaging data requires multiple steps where statistics play a crucial role. The MRI methods research group develops new statistical methods that are accurate, transparent and easy to use.

Social science research helps us understand human behaviour and social structures. These are determined by various factors, which makes the research complex and increases the likelihood of drawing the wrong conclusions. The choice of research method and analysis is therefore extremely important. It…

In this article, Annemiek de Looze and Eefje Cuppen, investigated empericallly if and how social conflict leads to institutional change.

Students, first-time buyers, parents with stay-at-home children, migrants in need of a house; the problems in the housing market affect many layers within the society. The lack of housing is a growing problem. How does this affect our behaviour and the way we think about 'living' ? What are the consequences…

The International Network for School Attendance launched an inaugural conference in Norway, playing host to 14 countries, 254 participants. Lead of this international network for the Netherlands is psychologist David Heyne of Leiden University.

Monday 26 September, 2016 saw the first confrontation between Hillary Clinton and Donald Trump. Expectations were high – not only about the content of the debate, but also about how the two presidential candidates would behave, and how this might influence their campaigns. We asked three researchers…

This thesis focuses on the social dimensions of crane and wetland conservation in rural landscapes in Kenya, Uganda and Zimbabwe.

This project explored the role of material culture, in casu painted plaster and its technologies, in expressing dynamic social identities and in forging complex interwoven human relationships in the context of the Middle to Late Bronze Age of the Aegean and East Mediterranean.

On Sunday night 25 September, all the lights in Leiden will switch off and we will see the starry sky above us twinkling in all its glory. A unique opportunity for all residents of Leiden to experience the vastness of the cosmos and view the impressive artwork that hangs over our heads every night.…

From 1 January 2017, Professor of neurocognitive developmental psychology Eveline Crone has been appointed member of the Social Sciences Council of the Royal Netherlands Academy of Arts and Sciences (KNAW).

An archaeological case-study of the Pointe des Châteaux, La Désirade and Les Îles de la Petite Terre micro-region, Guadeloupe, F.W.I.

This open access book brings together an eclectic cast of scholars in related disciplines to examine ageing in the Soviet Union, covering the practice of geriatrics, the science of gerontology, and the experience of growing old. Chapters in the book focus on concepts and themes that analyse Soviet ageing…

This article introduces the concept of Repertoires of Comparison (RoCs) to explain how certain comparisons become deeply embedded in social and political life.

On Friday 7 March 2025 Adam Knight successfully defended a doctoral thesis and graduated.

Within her research, Janna Marie Bas-Hoogendam covers multiple fields of study, like psychology and psychiatry. For this interdisciplinary work she will receive a major private science prize from the Foundation for Interdisciplinary Behavioural Research (SIGO). Why does the Leiden neuroscientist think…

Panic disorder is associated with changes in the brain, both in children and adolescents and in adults. This is the main outcome of the largest brain study ever conducted on panic disorder. Lead researcher and coordinator of the study, Moji Aghajani (Institute of Education and Child Studies), explains…

The first photo of a black hole and measuring anxiety in the brain... From 13 until 22 May we're serving a free slice of science with your pizza.

This COIn Grant 2025 awarded project allows Leiden University researchers and students to do research on the world’s largest corpus of digitized Ottoman language periodicals and books.

Up to 45% of patients with Parkinson's disease experience impulse control disorders, characterised by a loss of voluntary control over impulses, drives or temptations. This study aimed to investigate whether previously identified genetic and psychiatric risk factors interact towards the development…

This dissertation aims to provide insight in ethnic prejudice in Chinese-Dutch children and the ethnic socialization context they are exposed to through three social-contextual factors, i.e., parents, children’s books, and the COVID pandemic.

...What does seem clear, though, is that there is a great deal of room for improvement in the process of out-of-home placement. The FSW's social and behavioural scientists give their views.

Predictors of work functioning in persons with multiple sclerosis

This project combines an extensive new open database on linguistic distributions, spatial modelling and areal linguistics in order to disentangle the roles of social and environmental factors on the emergence of linguistic diversity patterns of South America.

Ten Leiden social and behavioural scientists have successfully applied for the NWO Open Competition. With this Open Competition, NWO gives researchers the chance to start small, high-risk, innovative or promising research projects.

On 20 September 2019, the opening drinks for the Open Science Community Leiden will be held at the Faculty of Social and Behavioural Sciences. Open science is the approach to science aimed at making scientific research accessible, reproducible, and freely available to people within and outside the academic…

How do processes of coalition-formation influence patterns of decision-making in the European Union?

This is a Special Issue of the peer-reviewed journal 'Social Sciences and Missions', which provides a forum for exploration of the social and political influence of Christian missions worldwide.

Andrei Poama, Assistant Professor at Leiden University, published a piece in the journal of Political Philosophy about social injustice, disadvantaged offenders and the state's authority to punish.

How can theatricality act as a mediating process between public space and public as ‘audience’? Does the presence of an observer change the nature of the observed and if so, how?

De rechtbank van Rotterdam geeft zorghulp Carol Kollmann gelijk in haar rechtszaak tegen het UWV. De zorghulpverlener vond dat ze recht heeft op een WW-uitkering en het meetellen van haar arbeidsverleden voor de WW, nadat ze erachter kwam dat ze daar door de zogeheten Regeling dienstverlening aan huis…

As schools in the U.S., students have to enter through security gates; schools in Belgium were forced to remain closed for several days after the attacks there; and even in the Netherlands various bomb scares have led to children having to stay at home. And yet fear of terrorism remains a difficult…

Cool Little Kids is a research project that investigates the effectiveness of two programmes on the prevention and reduction of anxiety problems in shy and withdrawn children aged 2-6 years. For more information about the project please visit our Dutch website or contact us via clk@fsw.leidenuniv.n…