Fig. 1
From: Are subjective sleepiness and sleep quality related to prospective memory?

Example trial of the prospective-memory (PM) task embedded in the ongoing color-matching task. Adapted by permission from R. E. Smith and R. R. Hunt (2012). Prospective Memory: Adult Age, Ongoing Task Difficulty, and Task Importance [Poster presentation]. Cognitive Aging Conference, Atlanta, GA, United States