Are you passionate about our planet? Are you keen to find solutions to environmental problems that make a real impact? Do you feel that either natural sciences or social sciences by themselves are not enough to tackle today’s complex sustainability issues? Then Science for Sustainable Societies at Leiden…

LUCAS hosts a wide variety of research. Here we outline some of the most important research themes.

Grace Leksana defended her thesis on 26 May 2020.

Leiden University’s new ‘Europe Hub’ is an interdisciplinary platform that showcases the university’s research and teaching expertise and capacities on Europe’s societal and governance challenges.

To promote a sustainable partnership with Asia, it is important to gain a better understanding of each other in economic, socio-cultural, historical, and legal terms. For decades, scholars from Leiden have made a significant contribution to the acquisition of knowledge about both the present and the…

This book investigates the effects of brain lesions in the left hemisphere, specifically Broca's area, on the production and perception of vowels, of word tones and of the linguistic use of sentence melody.

The Focal Area Engagement & Inclusion at CWTS aims to create a more diverse, inclusive and engaging science ecosystem.

Simulating human language understanding on the computer is a great challenge. A way to approach it is to represent natural language meanings in logic, and to use logical provers to determine what does and does not follow from a text. What logic is best to use and how natural language meanings are best…

This study examines the mutual intelligibility between all 225 pairs of 15 Chinese dialects, in two main branches, i.e., six Mandarin dialects and nine non-Mandarin (Southern) dialects.

Leiden University is famous for its library’s large collection of Oriental manuscripts. Part of this collection is a group of 104 Arabic documents written on papyrus and paper (Or. 8264 and 12885). These documents date from the 7th through 10th century CE and cover a wide range of subjects (private…

This thesis presents a thorough survey of the central aspects of the phonology of Shaoxing Chinese from a synchronic perspective and on the basis of recent theoretical phonological developments, with the secondary goal of casting some light on current issues in Modern Chinese (Mandarin).

The mycorrhizal symbiosis is among the most widespread species interactions on Earth⁠. This thesis focuses on orchid mycorrhiza, a unique mycorrhizal type that has caught scientists’ attention for centuries⁠.

How and under what conditions Dutch primary school principals' managerial networking activities affect the performance of their school

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…

Once a month, the Europa Institute comes together to hear from its own staff members, guest researchers, or external scholars about their research plans, work in progress papers, or recently concluded projects relevant to European law. The Food for Thought-series is organised by Melanie Fink.

Promotor: Prof.dr. E.F. Smets, Co-promotor: Dr. V.S.F.T. Merckx

Performances of solo keyboard repertoire can sound more or less polyphonic depending on the performer’s use of divergence in expression.

Promotor: Prof.dr. V. Icke, Co-Promotor: T.I. Madura

The team of WIIS-Netherlands exists out of the board members and the advisory council.

This is a facility where research groups or small companies can apply for space if they need to culture human or animal cells.

References to nature and the environment in the Caribbean literary and the contemporary age of globalization.

NETHATE is a Marie Skłodowska-Curie Actions (MSCA) project seeking to investigate the roots, societal impact and mitigation strategies of hate in offline and online foras.

This dissertation aims at discussing the nature and the linguistic factors assumed responsible for speech intelligibility problems of Sudanese learners of English.

igraph development focused on improving the most-used interfaces, which are Python, R, and Mathematica. Additionally, the developers aim to make the library and the interfaces easier to maintain, focusing on long-term sustainability. This ensures that igraph continues to be a useful tool for network…

The presents thesis investigates the extent to which Chinese, Dutch and American speakers of English are mutually intelligible. Intelligibility of vowels, simplex consonants and consonant clusters was tested in meaningless sound sequences, as well as in words in meaningless and meaningful short sent…

This thesis investigates the connection between tonal realization and tone change (tone sandhi) in Wenzhou Chinese, and whether and how such a connection is conditioned by prosodic structure and focus marking.

Organisation of the Leiden Institute of Physics.

Up to 50% of individuals with Parkinson's disease develop cognitive impairment over time; this study explores the use of 'practice effects' on neuropsychological tests as an early predictor of cognitive decline.

In this study Lilie Roosman describes the effects of prominence and boundary marking on the temporal and melodic structures of two regional languages of Indonesia, viz. Toba Batak, a stress language, and her native language Betawi Malay, a non-stress language.

PathOS aims to contribute to a better understanding and measurement of Open Science impacts and their causal mechanisms. This is pivotal in order to develop effective OS policy in the EU (European Union). It will do so by collecting concrete evidence of OS effects, by studying the pathways of OS practices,…

This dissertation provides an account of polar questions in Italian dialects from a typological, theoretical and empirical perspective.

This thesis aims at contributing to our understanding of the semantic and prosodic properties of object foci in Greek, employing theoretical and experimental tools.

The single cell group (SCG) is part of the Metabolomics & Analytics Centre Our research is centered around developing innovating analytical methods tailored for small-volume, or single cell analysis to enable metabolomics-driven systems biology in personalized health strategies. We are always on…

This dissertation examines what network in the human brain is involved in the perception of prosody and whether activity within this network is modulated by the personality trait alexithymia.

This study investigates the perception and production of emotional prosody by native and non-native listeners and speakers, i.e. Chinese and Dutch listeners and speakers, including Dutch L2 learners of Chinese.

Schuurman examines how Russia is escalating its covert operations against European countries.

A warm welcome to the Graduate School of FGGA at Leiden University.

The experiences of ethnic ‘Other’ females have – until recently – been widely overlooked in the study of sport. There continues to be a need to produce critical scholarship about ethnic 'Other' girls and women in sport and physical culture, in order to represent their complex, multifarious and dynamic…

This paper, written by Silvia D'Amato & Andrea Terlizzi, investigates the extent to which the European Union is strategically engaging against terrorism.

The focus of this thesis is on the technical methods which help promote the movement towards Trustworthy AI, specifically within the Inspectorate of the Netherlands.

Academic research on terrorism is getting better all the time. This is the conclusion of university lecturer Bart Schuurman after studying 3,442 articles. He published his study in Terrorism and Political Violence.

Impressions by Dr. Lilian Ruhe

This dissertation together with the artworks documented in it is the result of an investigation across multiple media over a seven-year period of the cultural, artistic and spiritual legacy of the late nineteenth- and early twentieth-century Lebensreform (Life Reform) movement.

Understanding the evolving landscape of extremism in the 21st century.

Russia has been condemned by the International Court of Justice for violating the International Convention for the Suppression of the Financing of Terrorism and the International Convention on the Elimination of All Forms of Racial Discrimination, but only minimally. Larissa van den Herik, Professor…

Most families were utterly overwhelmed when they found out that their son or daughter had suddenly left for Syria, that is what Daan Weggemans, Marieke van der Zwan and Marieke Liem observe in their research on family members of Dutch jihadists.

Although Islamic State has largely been beaten, for now the Jihad scene in the Netherlands is more than alive. That is what professor Edwin Bakker (terrorism and counterterrorism) recently said in an interview in the Algemeen Dagblad.