Does visual input tell us about ourselves in addition to our status in the external space? In particular, do dynamic aspects of the visual input (scene shake by walking) make it possible to distinguish “my� vision from others? The author examined this question by asking subjects to distinguish a movie taken by a CCD camera placed at their forehead from a movie of other subjects, eliminating any episodic visual event from the content of the movie, and reported that the performance of individuality distinction is significantly higher than that of control experiment in which subjects’ judgment were based on a still image from their viewpoint. [T.Kayahara (2007) Perception, 36(Sppl), pp.186]
In this study, the movie was taken by CCD camera placed in front of subjects’ body which height was constantly 1 m from ground surface, because head movement contained in the movie taken at forehead and the difference of viewpoint height might be either a distracter or episodic information for individuality distinction judgment. The performance of the individuality distinction judgment of 5-sec movie with 2IFC procedure will be compared to that of the movie taken at forehead and that of still image (control condition).