Which one of the following examples best illustrates involvement of a central executive in the human memory system?
A) Adam absentmindedly cracks his knuckles every minute or two.
B) Brigette works hard to keep her mind on her textbook as she reads.
C) As she sits in a science lecture, Claudia's thoughts continually drift to other topics.
D) David is frightened the first time he hears the loud noises at a fireworks display.

Question

Quizplus · Accepted Answer

Brigette actively uses her central executive to focus and maintain attention on reading her textbook. This involves the executive system of working memory, which controls attention, switches between tasks, and selectively blocks out distractions. The other choices do not explicitly involve the central executive in this way.

Which One of the Following Examples Best Illustrates Involvement of a Central