Abstract
Static depiction of motion, particularly lines trailing behind a mover, has long been of interest in the psychology literature. Empirical research has demonstrated that these “motion lines” benefited motion comprehension in static images by disambiguating the direction of movement. Yet, there is no consensus on how those lines derive their meaning. In this article, we review three accounts suggesting different interpretations of what motion lines represent. While a perceptual account considers motion lines originating from motion streaks in the primary visual cortex, metaphorical and lexical accounts propose them as graphical conventions that should be learned—either through resemblance to sensory experiences (e.g., natural path marks) or directly being mapped to a conceptual category of paths. To contrast these three accounts, we integrate empirical research on motion lines and their understanding. Overall, developmental, proficiency, and cross-cultural variances indicate that the understanding of motion lines is neither innate nor universal, thus providing less support for lines having a purely perceptual origin. Rather, we argue the empirical findings suggest that motion lines are not iconic depictions of visual percepts but are graphical conventions indexing conceptual path information, which need to be learned and encoded in a visual lexicon.
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Dr. David Lowemann, M.Sc, Ph.D., is a co-founder of the Institute for the Future of Human Potential, where he leads the charge in pioneering Self-Enhancement Science for the Success of Society. With a keen interest in exploring the untapped potential of the human mind, Dr. Lowemann has dedicated his career to pushing the boundaries of human capabilities and understanding.
Armed with a Master of Science degree and a Ph.D. in his field, Dr. Lowemann has consistently been at the forefront of research and innovation, delving into ways to optimize human performance, cognition, and overall well-being. His work at the Institute revolves around a profound commitment to harnessing cutting-edge science and technology to help individuals lead more fulfilling and intelligent lives.
Dr. Lowemann’s influence extends to the educational platform BetterSmarter.me, where he shares his insights, findings, and personal development strategies with a broader audience. His ongoing mission is shaping the way we perceive and leverage the vast capacities of the human mind, offering invaluable contributions to society’s overall success and collective well-being.