Answer:
1. Some signals are sent to the brain’s cerebral cortex, which is responsible for learning, thinking, and organizing information.
2. When individuals lack REM sleep, they’re more likely to forget information that they’ve learned prior to going to sleep
Step-by-step explanation:
Writers use supporting details to further elaborate on their main ideas. In the paragraph, the author provides details such as the cerebral cortex’s role in analyzing information and that people tend to forget information if they don’t get enough REM sleep. These supporting details help to further the writer’s main idea that REM sleep is the time in the sleep cycle when memory is stored.