Kelly fell asleep and is picturing herself walking down a si…

Kelly fell asleep and is picturing herself walking down a sidewalk. Suddenly, she imagines herself tripping off the curb.  While this occurs in her mind, her leg kicks out in bed due to a muscle spasm, which wakes her up.  The stage of sleep that this occurs in is:

You are trying to figure out how to fix your washing machine…

You are trying to figure out how to fix your washing machine that broke.  You decide to watch a YouTube video to help you figure it out and see how another person fixed the problem.  The __________ in your brain are helping you complete this task due to being active while watching the video and doing the task yourself.

Evelyn is 5 years old and wakes up often in the middle of th…

Evelyn is 5 years old and wakes up often in the middle of the night screaming.  When her parents come into her room, she is sitting up in bed, not awake, and screaming at the top of her lungs.  The following morning, Evelyn will never remember doing this.  This is because Evelyn is experiencing:

Brooke was instructed by her college that she needed to chan…

Brooke was instructed by her college that she needed to change her password for her school email.  She did so but as time went on, Brooke could no longer remember her old password that she needed to log in to another account with.  The new password interfering with remembering the old password is an example of: