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Developmental Changes in Reading Intentionality in Animated Shapes

The Korean Journal of Cognitive and Biological Psychology / The Korean Journal of Cognitive and Biological Psychology, (P)1226-9654; (E)2733-466X
2007, v.19 no.1, pp.53-76
https://doi.org/10.22172/cogbio.2007.19.1.004




Abstract

One of the most efficient ways of understanding other's actions is to mindread, that is, to interpret other's actions in terms of their mental states such as desires, beliefs, intentions. The basic mechanism that allows us to mindread is the intentionality detector, a tendency to perceive moving things as intentional agents with mental state such as desires, beliefs, and intentions. This study examined whether we perceive moving nonself-propelled objects such as triangle as intentional agents as we do self-propelled objects such as humans, and wether this tendency is gained with age. Six different types of computer-presented 40-second animations were used; three of them were two triangles moving around the screen, at random sequences, goal-directed(G-D) sequences and Theory of mind(Tom) sequences, the other three were human silhouettes moving around those three different sequences. The results were as follows: First, subjects interpreted triangle silhouettes intentionally as much as human silhouettes. Second, subjects interpreted G-D and Tom sequences more intentionally than random sequences, and this tendency was gained with age. This results suggest that the tendency to perceive moving things as intentional agents varies according to the motion patterns, and the tendency develops as children get older.

keywords
지향성, 삼각형, 사람, 무선적 움직임, 목적적 움직임, 교류적 움직임, intentionality, mindreading, subject of motion, motion patterns

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The Korean Journal of Cognitive and Biological Psychology