Dutch Black Achievement Month

October 5, 2017

black achievement month

The Dutch history of slave trade in the 16th century until the abolition in 1863, still shows its traces today. But how aware are we of these traces? On Sunday Oct 1st, the Dutch Black Achievement Month started (full program). As part of this program, the Tropen Museum Amsterdam will open an exhibition on Friday Oct 6th, called “Afterlives of Slavery”, that questions how children today are educated about the Dutch colonial history. Carolien will take part in a panel discussion at this opening, chaired by Dr. Aspha Bijnaar, a reknowed sociologist on creating awareness of our slave history in the school curriculum. 

black achievement month people



(From left to right: Carolien, Fazle Shairmahomed, Helen Sumter,
Khadija al Mourabit, Raul Balai, and Aspha Bijnaar)


Hard-of-hearing children and their psychosocial functioning

September 1, 2017

NinaLaugen Promotion v1
On August 22nd, Nina Jakhelln Laugen successfully defended her PhD thesis "Psychosocial functioning, emotion understanding and social skills in hard of hearing preschool children" (supervisors Karl Jacobsen, Lars Wichstrøm, and Carolien) at the Norwegian University of Science and Technology in Norway. Nina is one of the first to have a PhD project addressing the psychosocial functioning in children with mild-to-moderate hearing loss, who are seldom subjects to research. Her results show that children who are hard of hearing have more psychosocial difficulties than their hearing peers, and even children with mild or unilateral hearing loss may benefit from early intervention. Two opponents (Bjorn Lyxell, Sweden; and Eva Simonsen, Norway) each discussed with Nina for 30 minutes about her work. Both opponents acknowledged the importance of the work and its contribution to the field. Congratulations, Nina!


Taiwan datacollection2017

Data collection in Taiwan

August 29, 2017

Deaf children with cochlear implants have an altered auditory experience from hearing children due to the lack of auditory input during the first year(s) of life and the use of the electrical hearing device. Does this altered experience affect how they process emotions? After a pilot session, Yung-Ting is now back in Taiwan for the data collection, aiming to answer this question. In a nice collaboration with Chang Gung Memorial Hospital (Taoyuan, Taiwan) and with the technical support from Tobii, Yung-Ting started recruiting and testing children from the hospital and primary schools since the end of June (see photo). 




Who are we?

Group picture 2016 crop2

Our team is located at the department of Developmental Psychology of Leiden University in the Netherlands. We work in close collaboration with the Dutch Foundation for the Deaf and Hard of Hearing Child (NSDSK), the ENT department of the Leiden University Medical Centre (LUMC), and the Centre for Autism.Our group is dedicated to examining the emotional development of children and adolescents of all walks of life. We have a strong focus on the functionality of emotions, and its impact on children's social development. Besides typically developing children and adolescents, we are interested in the development of those with hearing impairments, with autism spectrum disorders, or with specific language impairments.

On this site we regularly post news items about new publications, events, and so on. You can also read more about our ongoing projects, read about and download questionnaires we have developed, see an overview of our publications per topic, or read about opportunities for students to join our team.






Disentangling reactive and proactive aggression in Malaysian adolescents

August 19, 2017


Can reactive and proactive aggression be disentangled in Eastern adolescents? Our lab’s latest publication provides an insight into this topic.

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Understanding how children with hearing loss interact

July 14, 2017

Brenda Johan Portugal

Starting in March, Brenda now works on the actual data collection in Portugal for her PhD project. The project, supervised in Portugal by Dr. Guida Veiga (University of Evora), in collaboration with two Portuguese hospitals (Hospital Lusíadas Lisboa, Dr. Luísa Monteiro and Hospital Dona Estefânia, Dr. Herédio Sousa), focuses on young children with a hearing loss and their social development. 

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Welcome our new intern

July 14, 2017


Starting 3rd of July, Merve Aras (student at İstanbul Kemerburgaz University in Turkey) participates in our research lab under the supervision of Naqi and Carolien. During this internship, Merve will focus on the measurement of empathy in East-Asian countries. Merve is also eager to learn more about the Leiden traditions and visited a PhD defense in which Carolien acted as a committee member.