Expanded Color in Scene Memory

抄録

Even though color sensitivity of the peripheral visual field is relatively poor, we subjectively experience the world in rich color. One possibility is that our daily experience of an environment makes our visual system capable of complementing the colors in our peripheral vision that we do not see. (Balas & Sinha, 2007; Cohen et al., 2020). To extend this possibility to memory functions as well, we hypothesized that the chromatic region in scene images may expand to region not physically presented in a memory recall task. Participants were asked to memorize scene chimeras with different sizes of chromatic central and achromatic peripheral regions. After 5 minutes break, they were asked to recall the chromatic central region using the method of adjustment. Results showed that participants recalled the spatially expanded color region, the degrees of color expansion depend on the size of the central chromatic region.