Abstract:
This study briefly reviewed literature on illusory line motions (ILM) and how existing theories could apply to reverse illusory line motions (rILM). Experiment 1 aimed at replicating rILM based on the method used in Hamm et al. (2014). Experiment 2 aimed at further identifying experimental procedures correlated with perceptions of rILM. The results suggest perception of rILM and ILM is not dependent on the putative line after cue or line during cue conditions, but rather dependent on a set of interactive conditions including offset of last line segment during or after the flash duration. Tentative suggestions were made regarding characteristics and underlying mechanisms for rILM. Some points of interest for future researches are also mentioned. Keywords: illusory line motion, reverse illusory line motion, attentional gradient theory, prior entry, gamma motion, impletion, transformational apparent motion