The aim is to develop methods to assess environmental and occupational exposure to (individual) pesticides, to be applied in epidemiological studies investigating pesticide exposure and human health. Furthermore, we aim to investigate the potential association between exposure to pesticides and Parkinson’s…

Although exposure therapy is the gold-standard treatment of posttraumatic stress-disorder (PTSD), only half of the patients adequately benefit from it. Based on recent insights into the mechanisms of extinction, this project examines strategies and techniques to improve exposure treatment outcome in…

Promotor: C.J. ten Cate, Co-promotor: H.W. Slabbekoorn

Although rarely considered by the pharmaceutical industry or clinicians, 24-hour rhythms in physiology are a factor of potential influence on the pharmacokinetics and pharmacodynamics of drugs.

On Monday 14 November, the first spadeful of earth was dug for the construction of the Living Lab, an experimental test site to study living organisms in freshwater. A total of 36 ditches will be dug out to create a natural environment where researchers can study the effects of chemical compounds from…

The focus of the described research in this thesis is on the oxidative stress response (Nrf2 pathway). The aim of the research presented in this thesis is to obtain more information concerning microRNAs which are involved in the Nrf2 pathway, to determine and evaluate the application of microRNAs for…

This project aims to identify which aspects of exploring a novel environment produce beneficial effects on memory. The effects of novelty will be investigated across the lifespan, including children, adolescents and older adults.

To what extent is sound a stressor to fish? And are behavioural and physiological phenotypes equally sensitive to disturbance by noise pollution?

We are developing the conceptual framework, which is new to this taxonomic group, and evaluate the current state of the art with respect to all critical parameters and transfer functions for a fully developed Population Consequences of Acoustic Disturbance (PCAD) model.

Which intervention technique is more effective in reducing public speaking anxiety in children aged 9 – 12 years, exposure or restructuring cognitions?

Promotor: Prof.dr. B. van de Water, Co-promotores: J.W. van der Laan, C.L.E. Siezen

If you aren't able to visit us on campus at Leiden University, some of our bachelor's programmes offer you an online experience to see if the programme is a right fit for you.

The Experience Days are intended to help you become better acquainted with the Leiden University English-taught bachelor's programmes.

What is it like to study International Studies in The Hague? Read what Leonor, student of International Studies, has to say about his experience.

This case study demonstrates how to design and effectively deploy a (survey embedded) conjoint experiment.

Study Information, Online Experience

Study Information, Online Experience

Study Information, Online Experience

Study Information, Online Experience

Promotores: W.J.G.M. Peijnenburg, G.R. de Snoo, Co-promotor: M.G. Vijver

Do e-waste workers display enhanced effects of adverse health effects due to informal e-waste processing in Nigeria? Is there a difference between the health outcomes of the exposed and the control groups? Are there difference in health effects within and between job groups (collectors, dismantlers,…

We only conduct research using laboratory animals if it is absolutely essential and we have no other means of answering the research question. Read here about how we assess and account for this research.

Sasse, van Breen, Spears & Gordijn demonstrated an anger gap in response to sexism which was larger for women than for men and found evidence that expressed anger was associated with instrumental concerns.

When is (or becomes) an out-of-body experience a R/S experience? (How) do people make sense of their experiences and is this related to mental health? Which motives do people have to (not) communicate their out-of-body experiences with regular and/or alternative caregivers? And what does it tell us…

Study Information, Online Experience

Study Information, Online Experience

Study Information, Online Experience

Study Information, Online Experience

Promotor: Carel J. ten Cate, Co-Promotor: Hans W. Slabbekoorn

How do we experience sensual wonder and enchantment and to what extent can (early) modern imagination-techniques be implemented to create an artwork and performance, which offer a sensory and novel experience.

Study Information

Childhood trauma can have a lifelong effect. Many therapists do not dare to confront these vulnerable patients with their past because they are concerned that the patients will be unable to cope. Research has now shown that exposure therapy can be helpful for this group of people.

Truth is stranger than fiction. In 1997 Juan Maldaceña discovered a remarkable dictionary that translates equation for equation the physics of black holes in string theory into the more conventional physics of quantum mechanics of interacting particles. The remarkable possibility exists that…

Can a newly developed, app-based, personalized maintenance program enhance the effectiveness of the exposure-based one-session-treatment for children with a specific phobia?

The project Advancing The European Multilingual Experience (AThEME) studied multilingualism in Europe by incorporating and combining linguistic, cognitive and sociological perspectives.

This project develops a scientific method to extract clinically relevant new information from patient forum websites that discuss patient experiences concerning e.g. medication, nutrition, co-morbidities, genetic factors etc.

How do you experience a quieter city? Or a silenced city? Our cities are normally filled with noise. The corona crisis has changed that. Few or no people on the streets, shops closed, much less traffic, hardly any planes coming over. The soundscape of the city has completely changed. Soundtrackcity,…

How has migration affected Irish and Italy society since 1945?

This volume edited by Jan Lucassen and Leo Lucassen aims to quantify and qualify cross-cultural global migrations and was published in the series 'Studies in Global Migration History'.

The Collective Experience of Empathic Data Systems (CEEDs) consortium developed novel integrated technologies that support experiencing, analysing and understanding of very large datasets.

This study, Calypso, The Trinidadian Experience, has sought to establish links between calypso music and the construction and maintenance of identities, and to locate the genre as a mechanism (or as part of a broader mechanism) that has exerted on-going social influence within Trinidadian society…

Researchers of the Leiden Institute of Advanced Computer Science (LIACS) will develop a training programme the next generation of early stage researchers (ESRs). During a four years project they will be trained to approach industrial challenges in a holistic manner by developing solutions in an automotive…

The next generation of high-contrast imaging instruments on space-based observatories requires sophisticated wavefront sensing and control in addition to a high-performance coronagraph.

The thesis wishes to examine the pathways of thought underlying the creative act of music making and the performance practice of complex music from the late twentieth and early twenty-first century.

Technology is developing at a mind-blowing rate, also in the field of artificial intelligence. For minority groups such as the LGBTQ+ community, this could be dangerous, writes researcher Eduard Fosch Villaronga in a letter to the editor of Nature Machine Intelligence.