Basketry, cordage and textiles made of plant fibers or bark are rarely preserved in the archaeological record. By means of experimental archaeology and microwear analysis, we obtain indirect evidence about this important craft.

Legitimacy is generally a term that is associated with the state. The term surfaces when there are problems with state legitimacy—when it is lacking or absent. This present volume attempts to think through the relevance of the concept of legitimacy for other political actors than the state.

This project looks at how the native language influences processing mechanisms of non-native language(s) as well has how it influences brain structure and functional connectivity.

To what extent and how do identity processes influence health behavior?

Here I propose to study the relationship between autonomic pupil-synchronisation and trust, at the behavioural and neural level, and examine a targeted set of possible contextual moderators.

The research described in this thesis focused on the use of bioorthogonal antigens to investigate immunological processes in antigen presenting cells. Bioorthogonal antigens are antigenic proteins produced through recombinant expression in a methionine auxotrophic E. coli strain.

At this year's conclusion of the PRE-Class Psychology, the central hall of the Faculty of Social and Behavioural Sciences became a hub of knowledge exchange revolving around a central theme: emotions.

This book provides a comparative analysis of the process of breach across ten different European jurisdictions by identifying and elaborating a number of key analytical themes through which the different systems can be compared and evaluated.

The group Theoretical Physics of Life Processes, led by Helmut Schiessel, focuses on the physics of chromatin, the DNA-protein complex that fills the nuclei of eukaryotic cells.

How does task context affect children’s word productions?

Children and young people who are victims of emotional abuse at the hands of their parents often report the symptoms of severe post-traumatic stress. These are generally even worse than after other forms of child abuse, such as physical abuse. These are the results of research by Leiden psychologists,…

Are you interested in one of our vacancies? To get to know each other well, we follow a number of steps in the application process.

Promotor: Prof.dr. B.R. Katzy, Co-promotor: R. Ortt

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This thesis investigates the processing of words written in Japanese kanji and Chinese hànzì, i.e. logographic scripts.

Business Process Model and Notation (BPMN) has become the standard for business processes diagrams.

This summer, Leiden University will be setting up camp at Lowlands with two research projects. Participants are invited to explore their fears and feelings, and in doing so, contribute to scientific research.

The roles of shame, guilt and social access in adolescent aggression

Effects of maternal smoking, premature birth, intra-uterine growth retardation and asphyxia on child development.

In online games conflicts between players may arise. Novin, Bos, Stevenson and Rieffe investigated factors that may explain why some adolescents react more angrily than others in this type of situation. In their realistically designed gaming environment, the (pre-programmed) fellow player suddenly started…

‘There’s a lot of evaluation in the Netherlands, but this doesn’t always lead to change,’ says Wout Broekema, Assistant Professor of Crisis Governance at the Institute of Security and Global Affairs. Learning from a crisis is complicated, but experts can help.

Children with hearing loss often fail to pick up on nuances in other people’s emotional responses. As a result, they do not always understand what is going on. Yung-Ting Tsou, a PhD student at Leiden University, found that having more knowledge of emotions and social conventions can help them in their…

How can we improve quality of life and study success in young, high-functioning adults with autism?

How do we decide on the long-term future of children placed in care in a valid, reliable, traceable and transparent way – together with parents and young people?

On Thursday evening, three local councillors from the ONS.Vlaardingen party walked out of a council meeting during a vote on a no-confidence motion. One councillor even went home after the vote out of dissatisfaction with the proceedings. The no-confidence motion against Vlaardingen's municipal executive…

Thanks to Ian Cook’s ‘Who Made My Clothes?’ MOOC, thousands of students have researched where their clothes come from. How does this geographer from the University of Exeter manage to inspire such enthusiasm in his students? He and his student Zahra Ali will explain all during the Education Festival…

How do genetic and environmental factors make us vulnerable to depression?

Leiden psychologist Wilco van Dijk and communication scientist Jaap Ouwerkerk of VU University Amsterdam published a book about the emotion Schadenfreude. The authors describe what the emotion Schadenfreude really is, when people experience the emotion, and what role it plays in social relations.

Young babies laugh like adult apes do: producing sounds while inhaling and exhaling. Adult humans produce sounds on the exhale only. Cognitive psychologist Mariska Kret and colleagues have published an article about the development of human laughter in the journal Biology Letters.

In this dissertation, electrophysiological (EEG) and behavioural measures are used to investigate how allophonic tonal variants and sub-phonemic features are processed during Mandarin and Dutch speech production, visual processing of written words and reading aloud.

In this project, we plan to combine two strands of research in speech processing: (a) the impact of prosody on speech processing and (b) the impact of musical training on speech processing. In our project we will test 8 year-old children with different degrees of musical training: (a) primary school…