The work presented in this thesis addresses the role of the locus coeruleus (LC) - norepinephrine (NE) system in various aspects of human cognition, and the modulation of brain state.

Toward optimal measurement and greater understanding of youth cognition in school refusal and cognitive behavioural therapy outcome

Knowledge and culture subproject 1:

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Cognitive enhancement reflects the use of any (legitimate) means such as for example food supplements to reach one’s personal best.

Cognitive psychology is the study of cognitive functions such as attention, memory, consciousness, emotion, language and action control. The goal is to understand the complex relationships between brain, mind and behavior.

The Netherlands Association for Sleep-Wake Research is studying this issue. Lead researcher Kristiaan van der Heijden, Leiden psychologist and sleep specialist, invites students to take part in the study.

Avian Cognition describes the full range of avian cognitive abilities, the mechanisms behind such abilities and how they relate to the ecology of the species. Synthesising the latest research in avian cognition, a range of experts in the field provide first-hand insights into experimental procedures,…

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To argue that people can control the relative contributions of goal-driven and stimulus-driven processes to decision-making and action selection.

In the specialisation Applied Cognitive Psychology, part of the Master in Psychology, you develop all the practical and academic skills necessary to apply psychological knowledge to real-life problems in working environments and organisations.

In the track Cognitive Neuroscience we focus on the investigation of the psychological, computational, and neuroscientific bases of human cognition by means of mind and brain research.

Reactions and reaction times in cognitive tasks.

This interdisciplinary minor emphasizes the diversity and complementarity of various cognitive neuroscience approaches to understanding the human brain.

Are you thinking about studying Applied Cognitive Psychology? Learn more and watch the videos.

Our ability to learn and control movements is essential for engaging in goal-directed behaviour. From buttoning your shirt and driving a car, to cooking dinner and brushing your teeth -- our actions in daily life rely on this ability.

The project aims at highlighting and strengthening Dutch research into the diversity of the world’s languages from a historic and a cognitive perspective.

CERQ is a questionnaire measuring cognitive coping strategies developed by Dr. Nadia Garnefski and Dr. Vivian Kraaij.

What is the relationship between outcomes of dynamic testing and cognitive flexibility in young children?

This doctoral thesis elaborates Langacker’s reference-point model by applying it to lexical semantics.

What is the role of the noradrenergic system in human cognition?

The ultimate aim of the project is to find out whether there are such things as

How do we experience electronic music? How does electronic music operate on perceptual, cognitive and affective levels? What are the common concepts activated in the listener’s mind when listening to electronic music? Why and how are these concepts activated?

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.

Novel language learning activates different neural processes than was previously thought. A Leiden research team has discovered parallel but separate contributions from the hippocampus and Broca's area, the learning centre in the left hemisphere. The right hemisphere of the brain also seems to play…

The major aim is to develop, evaluate, and implement disease-generic cognitive-behavioral interventions through the internet in order to optimize tailored health care for patients with chronic somatic conditions.

From The Cognitive Continuum of Electronic Music:

How does stress influence cognitive performance? What is the role of selective attention to threatening information in this effect? Could we prevent stress-induced decline of cognitive performance with pharmacological interventions? Could we use resting state theta/beta ratio as a biomarker for cognitive…

Can excessive worrying be reduced via stimulation of the vagus nerve?

On May 3rd, Varun de Castro Arrazola succesfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Varun on this great result.

On 1 April 2020, Marc Broekema defended his thesis 'Cognitive Bias in the Judgment of Business Valuations and Valuators'. The doctoral research was supervised by Prof. J.I. van der Rest.

To develop a new generation of brain science (and train scientists) focused on explaining complex real-world behavioural patterns.

On May 17th, Arthur Crucq succesfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Arthur on this great result.

Promotores: R. Cramer, A.K. Lenstra, Co-Promotor: B.M.M. de Weger

Artin L-functions associated to continuous representations of the absolute Galois group G_K of a global field K capture a lot of information about G_K as well as arithmetic properties of K.

Knowledge and culture subproject 4:

On the 12th of October, Fatemeh Tabassi Mofrad successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Fatemeh on this achievement!

Promotores: H.W. Lenstra, A. Lucchini

Biodiversity enables ecosystems to thrive through the synergy of functional differences among organisms. While human well-being strongly depends on biodiversity-driven ecosystem services, human actions are also at the root of current unprecedented biodiversity declines.

In this thesis, dynamic testing principles were applied to examine young children's potential for learning. Our studies focused on the role of cognitive flexibility, to further increase our understanding of the cognitive processes involved in children's ability to learn from instruction and feedback,…

This dissertation investigates Extended Lexical Units (ELUs), elements that are bigger than just one word and which are stored in the Lexicon.

Sanne Kellij and colleagues systematically reviewed 142 articles, examining evidence for three hypotheses on the relation between victimization and social information processing.

What are the manifestations, antecedents and consequences of the cognitive uncertainty experiences of social care professionals?

Bernard Bernards examines constraints on innovation by focusing on cognitive uncertainty as a personal state that may affect innovative work behavior.

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.

Metal-containing molecules combine geometrical features and a reactivity that are inherently different from that of organic molecules. My research focuses on light-activatable metal-based anticancer drugs and metal-functionalized liposomes. Light is a very selective way to activate photosensitive drugs…