from Part II - Human Behaviour
Published online by Cambridge University Press: 29 May 2026
This chapter examines distributed semantics and language models, Word2Vec and BERT, for obtaining word and sentence embeddings to extract knowledge representations from naturalistic stimuli in behavioural data science applications. These representations enable large-scale study of human cognition and behaviour, providing insights into higher-level psychological processes. Utilising distributed semantics is cost-effective due to pretrained language models’ availability. However, integrating perceptual data with semantic representations is crucial, as these representations are experience-based and may not fully capture complex sentences’ meaning. Future research can address questions like memorability using semantic representations and explore individual differences by training models on data from distinct sub-populations. High-dimensional representations from embedding models offer numerous opportunities to study human behaviour on a larger scale than previously possible.
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