Ongon, the image of the spirit of shamanism that is now handed down through Siberian minorities, is a formative material that has been kept since ancient times. Ongon is a religious art that is conservative about change, and is the most specific evidence that can grasp the archetypes, cultural characteristics and formative identity of the region. Therefore, in this study, the shape of Ongon was analyzed by the method of perceptual psychology to understand its in-depth formative principle. In addition, I tried to infer the cause of Korea's unique aesthetic consciousness linked to Siberian shamanism through perceptions such as introjection, jamais vu, and Gestaltzerfall seen in Ongon's image.
Ongon targets the souls of ancestors who cannot be seen and are vague according to the concept of ancestors of shamanism linked to animism. So, in the form, the method of expression of anthropomorphism was remarkable first, followed by the method of ambiguity, which was significantly less realistic. Ongon's ambiguity has a purpose opposite to good Gestalt's principle of morphology, which stably enhances visual comprehension. Such ambiguity raises anxiety and fear of the unknown form, which in this way made the supernatural agent perceive.