Dementia is a progressive disease, diagnosed at a relatively late stage when intervention may not be effective. Aim of the research is to study scans of brain networks to help discover the early network changes related to dementia. Early diagnosis may benefit effectiveness of future treatment.

Welcome to the Graduate School of the Faculty of Humanities.

S.S. Kolipaka’s thesis questions and investigates the survival prospects of reintroduced tigers and their offspring’s in the human dominated landscape of Panna tiger reserve in India.

The study by Tahir Abbas and Liselotte Welten reveals a structural and nuanced understanding of how the question of Salafism in the Netherlands has become an increasingly discussed phenomenon and the types of threats that ought to give genuine concern to security, intelligence and policing services.

The APL (Analecta Praehistorica Leidensia) is published once a year and showcases the increasingly diversity of research conducted at the Faculty of Archaeology. The APL currently forms a showcase for the faculty as a whole in which all employees can publish their research. By alternatingly publishing…

On 23 February 2022, Cale Davis defended the thesis 'Prosecutorial Discretion in International Criminal Justice'. The doctoral research was supervised by Prof. C. Stahn en Dr. J.C. Powderly.

Supervisor: Indira Nederpelt

This book analyses the emergence of modern parties in nineteenth-century Europe and explores their connection with the slowly developing institution of democracy.

How can Staphylococcus aureus bacteria subvert the host immune system?

Due to their central physiological roles in living organisms, retaining beta-glycosidases have been the subject of tremendous research efforts to examine their structure/function relation using numerous biophysical and biochemical approaches.

Research Schools aim at collaboration between researchers from different faculties (interfaculty schools) and universities (interuniversity schools).

Organic molecules in interstellar space are important as they influence the structure of galaxies and star formations. Studying catalytic processes in space allows us to understand how molecular species are formed and chemically evolved in the interstellar medium and solar system objects.

Development of GHG calculator for bio-electricity and heat.

Macrophages and atherosclerotic lesions The infiltration of monocytes in the arterial wall, their differentiation to macrophages, and the subsequent accumulation of cholesterol in these macrophages initiate the process of atherosclerosis. We study the importance of specific genes in macrophages for…

The transition period in which men become fathers might provide an important window of opportunity for parenting interventions that may produce long-term positive effects on paternal care and, consequently, child development. Existing prenatal programs traditionally focus on maternal and infant health…

Why does one person radicalize to involvement in terrorist violence within a group-based context, while another engages in this form of violence alone?

With the advent of multicore processors and data centers, computer hardware has become increasingly parallel, allowing one to run multiple pieces of software at the same time on different machines. Coordination of these pieces is best expressed in a coordination language as an explicit interaction protocol…

For several years, contemporary composed music has been critiqued among others by funds, sponsors, and festival organizers for having lost contact with their audiences. This music has increasingly become a pursuit of a privileged, well-situated, and higher educated public, and is most often confined…

The Archaeology and Epigraphy of Jordan’s North-Eastern Desert and Beyond

This project aims to provide evidence-based knowledge on the conditions for successful anti-corruption activism in Ukraine.

On 23 juni 2019, Zygimantas Juska defended his thesis 'The Role of Collective Redress Actions to Achieve Full Compensation for Violations of European Union Competition Law'. The doctoral research was supervised by Prof. dr. T.R Ottervanger.

The research project SOG Pro (Structure of Government project) studies the changes in the structure and organization of central government in four parliamentary democracies: France, Germany, the Netherlands and the United Kingdom and aims to explain the changes within and across each country. Why are…

The “harpe organisée”, 1720-1840: Rediscovering the lost pedal techniques on harps with a single-action pedal mechanism, is the title of Maria Christina Cleary's PhD thesis. This is the first monographic study on harp pedal techniques, tracing the historical way to pedal on the early pedal harps with…

In September 2023, we will be transforming a under-utilised outdoor space into a greener and more biodiverse garden in which all students and staff of the Schouwburgstraat can relax and enjoy.

The protection of civilians (POC) in armed conflict has become a core strategic objective for the United Nations system and for UN peace operations in particular. The UN, however, is not the sole actor engaged in POC.

Enforcement of group cooperation fails because of discriminatory punishment, according to research by Welmer Molenmaker and colleagues. When group members have different backgrounds, punishment turns into a double-edged sword: no longer used just to prevent group exploitation, but also to break the…

Large carnivores and humans, along with their livestock, have co-existed for thousands of years. However, human population growth and an increase in economic activities are modifying the landscape for large carnivores and their prey.

In-use stocks of products can be considered as intermediaries between human needs and the physical world.

The skin is our natural barrier and lipids are a key part of this barrier. In the outer skin layer, the stratum corneum (SC), lipids form a densely organized structure dependent on the composition of these lipids.

On 16 December 2019, Jan-Harm de Villiers defended his thesis 'The Anthropomorphic Hegemony of Subjectivity: Critical Reflections on Law and the Question of the Animal'. The doctoral research was supervised by Prof. P. Cliteur.

How have British, Dutch, and German security services dealt with political violence and terrorism since the late 1960s; to what extent did they consider these new phenomena as a task and how have they developed activities in order to counter these security threats?

Is blended care a feasible and effective treatment method for social anxiety in adolescence?

On 21 September 2022 Arfiansyah successfully defended a doctoral thesis and graduated.

Sip2021 is sponsored by the Dutch Research Council (NWO) and the Graduate School Experimental Plant Sciences (EPS).

On 9 June 2020, Maral Darouei defended her thesis 'Managing a sustainable career in the contemporary world of work: Personal choices and contextual challenges'. The doctoral research was supervised by Prof. J.I. van der Rest.

Doctoral research on the history of the critical visitor and their efforts at founding alternative archives including LGBT+-focused, feminist, disability and digitizing projects, resulting in a traveling exhibition on findings (with audio-guides), popular and scholarly article, and a dissertation.

Very generally speaking, this study aims at questioning and re-defining the mind-body epistemic problem within contemporary dance and art culture.

In this study, Bibi van den Berg and Sanneke Kuipers from ISGA, explore the ways in which cyber-related incidents may lead to crises

Is it possible for sugar patterns on cells to activate the immune system to combat cancer?

On 27 June 2019, Vid Prislan defended his thesis 'Domestic Courts in Investor-State Arbitration: Partners, Suspects, Competitors'. The doctoral research was supervised by Prof. dr. N.J. Schrijver.

M. Danhof, Co-promotor: O.E. Della Pasqua

On the 31 March 2022 Mr. Taufiq Hanafi successfully defended a doctoral thesis and graduated.

To what extent can literary strategies deepen and enhance research in and through the visual and performing arts, as well as for research in academia?

This study is a critical discourse analysis of the misogynistic narratives shared by three incel violent extremists.

This dissertation presents the results of the importance of creativity for ICT-students of Dutch universities of applied sciences (in Dutch: hogescholen), and the functioning of training courses that aim to promote creative abilities is highlighted.

On the 1st of December Marcela A. Garcia Probert successfully defended a doctoral thesis and graduated.

Leiden University and the Ministry of Infrastructure and Water Management are involved in a collaboration in the form of a research project titled 'Data-Driven Risk Assessment in Infrastructure Networks'.

On 18 October 2022 ms. Comstock-Skipp successfully defended a doctoral thesis and graduated.

Promotor: M. Franx, Co-Promotor: I.F. Labbé