Which of the following is a dosage form of proparacaine and should be protected from light and refrigerated? a. spectro-caine b. ocu-caine c. ophthaine d. isopto carpine

Lavie attempts to resolve this debate by stating that both early and late selection occur varying on the stimulus presented. From the perspective of perceptual loadtheory stimulus variation means whether the stimulus has high or low perceptual load.