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06-01-2021 | Original Article

Hazardous tools: the emergence of reasoning in human tool use

Auteurs: Giovanni Federico, François Osiurak, Maria A. Brandimonte

Gepubliceerd in: Psychological Research | Uitgave 8/2021

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Abstract

Humans are unique in the way they understand the causal relationships between the use of tools and achieving a goal. The idea at the core of the present research is that tool use can be considered as an instance of problem-solving situations supported by technical reasoning. In an eye-tracking study, we investigated the fixation patterns of participants (N = 32) looking at 3D images of thematically consistent (e.g., nail–steel hammer) and thematically inconsistent (e.g., scarf–steel hammer) object-tool pairs that could be either “hazardous” (accidentally electrified) or not. Results showed that under thematically consistent conditions, participants focused on the tool’s manipulation area (e.g., the handle of a steel hammer). However, when electrified tools were present or when the visual scene was not action-prompting, regardless of the presence of electricity, the tools’ functional/identity areas (e.g., the head of a steel hammer) were fixated longer than the tools’ manipulation areas. These results support an integrated and reasoning-based approach to human tool use and document, for the first time, the crucial role of mechanical/semantic knowledge in tool visual exploration.
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Metagegevens
Titel
Hazardous tools: the emergence of reasoning in human tool use
Auteurs
Giovanni Federico
François Osiurak
Maria A. Brandimonte
Publicatiedatum
06-01-2021
Uitgeverij
Springer Berlin Heidelberg
Gepubliceerd in
Psychological Research / Uitgave 8/2021
Print ISSN: 0340-0727
Elektronisch ISSN: 1430-2772
DOI
https://doi.org/10.1007/s00426-020-01466-2