This book presents the first comprehensive description of Tafi, one of the fourteen Ghana-Togo Mountain (GTM) languages, spoken by approximately 4,400 people in the southeastern part of Ghana. The description consists of thirteen chapters and is based on a corpus gathered during two fieldwork periods…

Leiden University offers ambitious students the latest knowledge and the freedom to develop their own area of expertise.

This 862-page monograph is a grammar of Thangmi, an endangered Tibeto-Burman language spoken in the districts of Dolakha and Sindhupalcok in central-eastern Nepal.

Migration is the talk of the town. On the whole, however, the current situation is seen as resulting from unique political upheavals. Such a-historical interpretations ignore the fact that migration is a fundamental phenomenon in human societies from the beginning and plays a crucial role in the cultural,…

This project aims at investigating the syntactic role of focus in ellipsis across languages.

Below you can find lists of Leiden-based and international organizations working on Central Asia, and an overview of useful resources on Central Asia.

When and how does social anxiety develop? How can it go astray in some adolescents? How can we help troubled young people to attend school regularly and return to a normal developmental pathway?

On Energiepodium.nl, Rob de Wijk, Professor of International Relations and Security at the Institute of Security and Global Affairs, states that the Nord Stream 2 Project, a pipeline for Russian gas into Europe, causes a conflict between geopolitics and commerce.

How is social cognition shaped by our knowledge of language and stories?

This study investigates the syntax and distribution of the two elliptical phenomena Gapping and Fragments, as well as the movements involved in ellipsis contexts in general.

This thesis is a sample-based typological study of formal and semantic patterns in terms for a selection of referring (

In this study, the formation of the Tocharian subjunctive is described, its use and meaning are analysed and its origins are investigated.

This dissertation provides an up to date description of the Indo European lexical stock of Armenian (ca. 500 entries) with systematic inclusion of unused data that are found in Armenian dialects.

This study presents the first systematic investigation and detailed theoretical analysis of the temporal interpretations of sentences with bare (aspectually unmarked) predicates in Mandarin.

This study looks at the diverse phonological systems found within Central Chadic, and reconstructs the phonological system of their ancestor language.

A synchronic description of the endangered Slovene dialect spoken in the Gailtal valley in Carinthia, Austria.

Ömer Koçyigit defended his thesis on 7 July 2020

LUCAS members are experts in the fields of literary history and theory, film and media studies, and art, architectural, and book history. Members of LUCAS teach in a wide variety of Bachelor's, Master’s, and Research Master’s Programmes.

Get to know us through our online and in-person events for prospective students!

You’ve been accepted! Leiden University looks forward to welcoming you as a new student. Your next step is to prepare for your studies. Below you can find some tips to help you get a head start as you embark on your studies at Leiden University.

Each month, we publish an article showcasing how social science research and education contribute to solving societal challenges. Researchers, lecturers, students, and societal partners work together to make knowledge accessible and to make a difference. Through open science and engaged education, we…

As our society becomes increasingly complex, it is critical that we better understand how we can deal with fundamental issues such as societal and personal security, and resilience against threats to our security.

PhD defence

In the specialisation Social and Organisational Psychology, part of the Master in Psychology, you study behaviour in formal and informal groups, such as sports or work teams.

Is willingness to receive Covid-19 vaccine affected by social relationships? To what degree do relationships convey information, social pressure and role-models that alter individual’s willingness to be vaccinated?

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.

Developments in globalization and industrialization continuously push governments, international organizations and NGOs to reexamine the opportunities available to people at all levels of society to attain basic socioeconomic necessities. Research into existing social justice initiatives has shown a…

On 1 October 2019, Emile Cammeraat defended his thesis 'Economic Effects of Social Protection'. The doctoral research was supervised by Prof. K.P. Goudswaard and Prof. P.W.C. Koning.

This dissertation provides a thorough review of the words belonging to the oldest layer of Germanic loanwords in Proto-Slavic and answers the question of how these words were adapted to the Proto-Slavic accentual system.

This dissertation is a comprehensive description of the Jiăomùzú dialects. These dialects belong to the Tibetan-Birmese language of the rGyalrong spoken in the province Sìchuā, China.

This thesis investigates the syntax of object marking in Sambaa and the Bantu languages in general, with particular focus on Swahili and Haya, as points of comparison.

This dissertation investigates the grammar of Makhuwa-Enahara, a Bantu language spoken in the north of Mozambique. The information structure is an influential factor in this language, determining the word order and the use of special conjugations known as conjoint and disjoint verb forms.

Inequality and violence are the two biggest issues in South Africa. What is the underlying cause? Could they be linked to rivalling groups, economic factors, government policy or all of the above? To understand social issues, it is important to study them within their context. The extended case study…

What is the neural basis of social decision-making across childhood, adolescence and adulthood and what are the developmental patterns in terms of behavior and brain activation?

Can positive peer feedback break the cycle of negative self-relevant cognitive processes and reduce self-reported anxiety in early adolescents?

What are the main issues leading to polarisation and division? What is the role of social exclusion in these processes? How can we inform and design better policies to safeguard young people from falling prey to intolerance and polarisation? The DRIVE project, led by Leiden University in The Hague,…

Umberto Selva, a Leiden graduate of the Research MA program of Linguistics, has received for his thesis the international award for best MA thesis in the field of Comparative Indo-European Linguistics of the year 2015.