Songbirds as vocal learners learn their songs and song preference from social tutors⁠. Tutor choice for both song and preference learning are important to characterize for understanding individual learning performance and cultural transmission of song⁠.

Promotor: G.A. van der Marel, Co-promotor: J.D.C. Codée

For each living organism health is ensured by correct functioning of its cells. Cells therefore have elaborate methods for regulation of their proteins.

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What is the relation between brain development and social and cognitive development across childhood, adolescence and adulthood?

Education and Organisation Development

How is vegetative development regulated in plants and how does this affect a plant’s life history strategy?

The University encourages you, as members of our staff, to use and develop your talents.

Is the legitimacy of law and governance of multilevel jurisdictions diminishing? What is the significance of (diminishing) legitimacy for the effectiveness of law? These kinds of questions about the legitimacy of the supranational formation of law, its application, and the policy and governance based…

Why do black holes emit thermal radiation? And how does a closed quantum system thermalize?

The project seeks to explore the interplay of valuation and inequalities in science, using the interdisciplinary and planet-critical field of forest research as empirical case. It examines which/whose knowledge is recognised on what grounds, and how social dimensions like gender and geographical location…

On 20 October 2021 Michael Ramsden defended the thesis 'The Role of the United Nations General Assembly in Advancing Accountability for Atrocity Crimes: Legal Powers and Effects'. The doctoral research was supervised by Prof. N.M. Blokker.

In February 2014, the Swiss voting population accepted a constitutional initiative that aims at limiting migration through quota and, in the field of employment, national preference.

Anxiety disorders, like specific phobias, are among the most prevalent mental health disorders that may hinder children in their development. Cognitive Behavioral Therapy (CBT) is considered an effective treatment for childhood anxiety. After treatment, children are encouraged to practice at home with…

This interdisciplinary minor addresses sustainability challenges from a systems perspective, and investigates ways to sustain society within planetary boundaries.

The aim of this thesis was to develop and evaluate a Ecological Professional Development Model to support preservice biology teachers to direct their own subject-specific ecological professional development route.

This interdisciplinary minor addresses sustainabilty challenges from a systems perspective, and investigates ways to sustain society within planetary boundaries.

Law is of major importance for socio-economic development. Ideally, law organizes human interaction in a way that promotes justice and legal certainty and protects vulnerable groups from exploitation and arbitrariness.

What is the relationship between probability experiments and cryptographic applications?

The overall aim of the project is to investigate effective ways to strengthen vocational identity of at-risk adolescents in order to contribute to a successful transition from late secondary to post secondary lower vocational education or to work.

The aim of this work was to study the applicability of antigen-coated pH-sensitive microneedle arrays for effective vaccination strategies. Therefore, a model antigen (ovalbumin) was coated onto pH-sensitive (pyridine-modified) microneedle arrays to test pH-triggered antigen release by applying the…

The global population speaks approximately 7,000 different languages and approximately half of the world’s population is bilingual. The unique orthographic characteristics of different languages can help us to gain insight into the seemingly simple process of transforming written to spoken words (i.e.,…

Does a universal psychoeducational course about stress in adolescents: I) lead to an increase in knowledge of stress?, II) affect the frequency with which stressors are experienced and the overall stress level?, III) create interest in a tier 2 level follow-up training?, and IV) appeal to students in…

Improving healthcare with our scientific discoveries: that is the goal of pharmaceutical research at Leiden University. And there’s a lot involved in that. Our research starts with the discovery of the effect achieved by a particular substance, and sometimes continues all the way through to the development…

Can SMILE, our multi-component intervention, which combines cognitive-behavioural therapy for insomnia, mindfulness, stress, and lifestyle components, improve sleep quality? Can it also improve mood and quality of life and prevent depression and anxiety in the long term?

Rare-earth materials are prime candidates for storing quantum information, because the undesirable interaction with their environment is extremely weak. Consequently however, this lack of interaction implies a very small response to light, making it hard to read and write data. Leiden physicists have…

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The development process of any software has become extremely important not just in the IT industry, but in almost every business or domain of research.

The programme group Parenting, Child Care and Development studies how parents and other educators affect children's development, well-being and health. The emphasis is on the child's social, emotional and cognitive development and prevention of problems in these areas.

Creating an open and learning organisation requires strong leadership. HRM Learning & Development offers various training courses with a focus on the different leadership roles. In the coming year, they will further expand this offering.

The stratum corneum (SC) plays a fundamental role in the barrier function of the skin. The SC consists of corneocytes embedded in a lipid matrix.

Institute of Environmental Sciences, Faculty of Science, Leiden University

Animal Sciences’ contributions to the Development & Disease research theme include the mechanisms and evolution of embryonic development, the development of cognitive mechanisms, and animal models for understanding mechanisms of human disease.

This edited book presents case-studies and reflections on the role of languages and their analytic study in development practices across four regions: Africa, Asia, Australia, and the Pacific.

The more opportunities a child has to learn and develop, the stronger his or her future position in society. Leiden University investigates how the brain picks up information, and how learning processes can be influenced positively.

What relationships exist between different types of PLCs and cognitive differentiated teaching?

Can we build a biosensor to detect neuroblastoma markers in urine using the chemotaxis system in E. coli?

Do you want to learn how to prevent child problems by optimising caregiving? Would you like to advise parents, professional caregivers and policy makers on caregiving-issues? In that case the master’s specialisation Parenting and Child Development is the ideal choice for you!

Leiden University Graduate School of Teaching

We aim to provide new insights relating to the spectacular multi-cellular life cycle of streptomycetes and other actinobacteria.

Plant Sciences' contribution to the Development & Disease research theme is to unravel the processes that allow plants to adapt to changing abiotic and biotic environmental conditions or stresses, with the aim to contribute to the sustainable production of food, flowers and bio-based products using…

Do you want to understand the complexities of today’s gender issues, social media use, food habits, social justice movements, labour relations or religious expressions? Join our international bachelor's programme in Cultural Anthropology and Development Sociology and get insight into people's social…

How can teachers best learn from each other and develop? Jacobiene Meirink is conducting research on professional development for teachers in secondary education. She is particularly interested in how teachers collaborate on and learn from the development of teaching programmes. More insight into effective…

Africa is rising and increasingly seen as a potential market by economic actors from Africa and the rest of the world. What is the interrelationship between governance, entrepreneurship and inclusive development?

Microbial Sciences'contribution to the Development & Disease research theme is to perform world-class research to understand cellular morphogenesis, growth, development and virulence of microbes.

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On 18 May 2011, Dr. Ben Knapen, Minister for European Affairs and International Cooperation, delivered the annual Van Vollenhoven Lecture on “Rule of Law and Development”.