Technical reasoning refers to inferring how to use a tool or object from the physical characteristics of the tool, and the degree of technical reasoning is how much the functional part of the tool or object is viewed (cumulative). It can be quantified by gaze time).

 It has been reported that technical reasoning work is important when using a tool, but so far, the difference in line-of-sight search depending on "whether or not there is an intention to use the tool" has not been clarified.This time, Yoshinori Tamaki and Professor Shu Morioka, who are graduates of Kio University Graduate School (currently Konan Hospital, a medical corporation), asked 14 healthy adults to participate in the experiment and used tools that are familiar to the subjects and tools that are not familiar to them. By presenting, we investigated the difference in line-of-sight search under the three conditions of "when observing freely", "when intended to lift", and "when intended for use".

 As a result, the cumulative gaze time becomes longer when the tool is intended to be used than when it is intended to be lifted, and even when the tool is freely observed without the intention to use it, the line of sight is similarly deflected to the functional part of the tool. It was found that the cumulative gaze time became longer.In other words, it was suggested that technical reasoning work for using tools could automatically appear even when simply looking at the tools.On the other hand, it is said that the technical reasoning at the time of free observation was not as strong as at the time of intention to use, and the difference between the technical reasoning at the time of free observation and the time of intention to use is the difference between automatic technical reasoning and intentional technical reasoning. It was also suggested that it may indicate a difference.

 In addition, with unfamiliar tools, the cumulative gaze time was significantly reduced when the intention was to lift, and the cumulative gaze time was significantly increased when the intention was to use, as compared with the free observation.In this way, this study showed that it is possible to determine the degree of technical reasoning by comparing the line-of-sight search during intentional use and free observation in tool observations with different degrees of familiarity.In the future, the researchers say that it is important to conduct similar experiments on patients with tool use disorders, which will lead to the elucidation of the pathological mechanism of tool use disorders.

Paper information:[Frontiers in Psychology] Effects of tool novelty and action demands on gaze searching during tool observation

Kio University

Achieved a 17% employment decision rate for all graduates over 99.2 years.A university that emphasizes practical studies to develop specialists in health and education

Kio University is a university that emphasizes practical science and trains professionals in the fields of health and education, such as physical therapists, nurses, midwives, registered dietitians, architects, elementary school teachers, kindergarten teachers, school nurses, and childcare workers. .The employment decision rate for all graduates over the 17 years since the university opened was 99.2%*, and it has been evaluated as a ``university that is strong in employment.''

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