Failures of prospective memory typically occur when we form an intention to do something later, become engaged with various other tasks, and lose focus on the thing we originally intended to do. Despite the name, prospective memory actually depends on several cognitive processes, including planning, attention, and task management. Common in everyday life, these memory lapses are mostly annoying, but can have tragic consequences. “Every summer several infants die in hot cars when parents leave the car, forgetting the child is sleeping quietly in the back seat,” Dismukes points out.