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. 2024 Oct;56(7):7427-7439.
doi: 10.3758/s13428-024-02428-x. Epub 2024 Apr 29.

TACO: A Turkish database for abstract concepts

Francesca Conca  1 , Daniela M Gibbons  1 , Başak Bayram  2 , Enise I Incesoy  3   4   5 , Marta Tacchini  6   7 , Emrah Düzel  3   4 , Stefano F Cappa  8   9 , Eleonora Catricalà  1
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TACO: A Turkish database for abstract concepts

Francesca Conca et al. Behav Res Methods. 2024 Oct.

Abstract

The organization of abstract concepts reflects different dimensions, grounded in the brain regions coding for the corresponding experience. Normative measures of linguistic stimuli offer noteworthy insights into the organization of conceptual knowledge, but studies differ in the dimensions and classes of concepts considered. Additionally, most of the available information has been collected in English, without considering possible linguistic and cultural differences. Here, we aimed to create a comprehensive Turkish database for abstract concepts (TACO), including rarely investigated classes such as political concepts. We included 503 words-78 concrete (fruits, animals, tools) and 425 abstract (emotions, social, mental states, theoretical, quantity, space, political)-rated by 134 Turkish speakers for familiarity, imageability, age of acquisition, valence, arousal, quantity, space, theoretical, social, mental state, and political dimensions. We calculated dominance and exclusivity, indicating the dimension receiving the highest mean score for each word, and the position of the word along the unidimensional-multidimensional continuum, respectively. A principal component analysis (PCA) was conducted on the semantic dimensions. The results showed that mental state was the dominant dimension for most concepts. Moderate to low levels of exclusivity indicated that the concepts were multidimensional. PCA revealed three components: Component 1 captured the juxtaposition between social/mental state and magnitude polarities, Component 2 highlighted affective components, and Component 3 grouped together political and theoretical dimensions. The introduction of political concepts provided insights into the multidimensional nature of this unexplored class, closely intertwined with the theoretical dimension. TACO constitutes the first comprehensive Turkish database covering several abstract dimensions, paving the way for cross-linguistic and cross-cultural studies of semantic representations.

Keywords: Abstract concepts; Linguistic norms; Semantic memory.

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