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How curiosity boosts language learning in childhood
To further explore how language acquisition relates to emotional state, Dr. Vivien Outters, with her colleagues in Göttingen and Oxford University, conducted a word-learning recognition experiment with 3-year-old children.
Children performed a task in which they learned six novel objects and the words associated to them. In each trial, a pair of novel objects was shown on the screen and the word of one of them was played.
The researchers used Tobii eye tracking technology to measure both eye movements and pupil dilation. Eye movements were used as an index of word learning success by measuring the time that a child looked at the object associated with the word being played. Pupil dilation was used as a measure of task engagement, with the hypothesis that rewarding stimulus creates greater pupillary arousal. Researchers also measured children’s upper body posture after each test, as literature suggests that an elevated upper body posture is related to a positive emotional state.
The study results revealed that children who were more engaged or stimulated in the novel word training task were better at recognizing newly learned words. On the other side, there were no conclusive results on the relation between individual learning success and positive emotions.
More research is needed to further distinguish how the emotional state relates to word learning, but no doubt this study highlights the important role of children’s motivation and engagement in language learning ability.
Outters, V., Hepach, R., Behne, T. et al. (2023). Children’s affective involvement in early word learning. Sci Rep 13, 7351. May 2023.
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Biometric and Eye Tracking Specialist, Tobii
As an eye tracking and integration specialist, I get to learn about the needs of scientific researchers regarding eye tracking methodology and multimodal research. My motivation is to help scientific researchers who want to combine eye tracking with other electrophysiological sensors by enabling the best setup for their research.
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