An afterimage of the mysterious spectre glows blue on the screen. Afterward, the victim perceives an afterimage that impairs their aim. When the stimulation ceases, an afterimage (physiological spectrum) appears on each retinal spot. Therefore, a green image will produce a magenta afterimage. The unstimulated part results in a violet afterimage. Every color's darkness appears as its afterimage, or spectrum. Carlos "Chuck" Isidro was the former lead guitarist for Afterimage. Afterimage effects have also been utilized by artists, including [[Vincent van Gogh]]. Trichromatic theory, however, can not explain all afterimage phenomena. When Afterimage disbanded, Isidro worked in the recording company. An example for a physiological fiction is an afterimage. An afterimage may be a normal phenomenon (physiological afterimage) or may be pathological (palinopsia). This explains afterimage (physiological spectra). This is considered different from an after-effect, such as an afterimage. The first part of the essay was published in Afterimage 20 (Summer 1992).