Maria often sleeps soundly and rarely awakens to any outside noise. However, the cries of Maria's baby can awaken her immediately. What part of the brain is responsible for this reaction?

Question

Quizplus · Accepted Answer

The reticular formation is responsible for alerting the brain to incoming stimuli and plays a crucial role in regulating sleep and arousal. It is likely that the cries of the baby activate the reticular formation, causing Maria to immediately awaken. The medulla and pons are involved in regulating basic life-sustaining functions such as breathing and heart rate, while the cerebellum is responsible for coordinating movement and balance, making them less likely to be responsible for this specific reaction.

Maria Often Sleeps Soundly and Rarely Awakens to Any Outside