자극의 주체와 움직임의 유형이 지향성 탐지에 미치는 영향
The effects of types of agent and pattern of motion on intentional detection
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초록
지향성 탐지란 사람들이 특정 방향으로 움직이고 있는 자극을 그 방향으로 가려고 하는 목적과 바람을 가진 행위자(agent)로 해석하는 것이다. 본 연구에서는 사람들이 자극의 움직임을 탐지할 때, 스스로 움직임을 유발하는 사람자극만을 지향적으로 해석하는지, 아니면 특정방향으로 움직이는 모든 자극의 움직임(기하학적 도형, 꽃, 사람 자극)을 지향적인 것으로 이해하는지를 알아보았다. 또한 특별한 의미를 부여하기 힘든 움직임, 목표지향적인 움직임, 두 자극들 간에 상호작용하는 움직임에 따라 지향적으로 해석하는 정도가 달라지는지 알아보았다. 실험 결과 사람들은 삼각형과 꽃 자극보다는 사람 자극의 움직임에서 지향적으로 판단하는 경향이 강했으며, 무의미한 움직임과 목표지향적인 움직임 보다는 상호작용하는 움직임을 더 지향적인 것으로 판단했다. 또한 행위자가 스스로 움직임을 유발하는 사람일 경우에는 모든 움직임을 지향적으로 해석하였다. 그러나 스스로 움직일 수 없는 자극인 기하학적인 도형과 꽃 자극에서는 다른 움직임에 비해 상호작용 움직임을 보일 때 지향적으로 해석하는 경향이 강했다. 본 연구 결과는 자극의 주체와 움직임 유형에 따라 지향성 탐지 정도가 달라진다는 것을 시사한다.
Abstract
Intentional detection is defined as when people detect an object which moves toward special direction as an agent having a goal and desire to go there. This study examined whether people detect the motions of self-propelled objects like human silhouettes and the motions of nonself-propelled objects like geometrical shapes or flowers as intentional agents when they interpret their movements. This study also, examined whether people detect and interpret motions differently when they see different motions, non-meaningful motions, goal-directed motions and interacting motions between two objects. The results demonstrate that people have tendency to detect the motions of human silhouettes more intentionally than the motions of geometrical shapes and flowers, and detect the interacting motions more intentionally than non-meaningful motions and goal-directed motions. Especially when the motions of human silhouettes were presented, people detect and interpret them as fully intended motions even when non-meaningful motions and goal-directed motions were presented. However when presented with nonself-propelled objects, geometrical shapes and flowers combined with interactive movements, people demonstrated a strong tendency to interpret their movements more intentionally than the other motions. This study suggests that people detect and interpret different agent's motions and motions of objects differently.
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