[Solved] Because dreams are often populated with anxiety-producing images (for example, heights, monsters, major exams for which you forgot to study, being naked in public), it is not surprising to find that the _____ is quite active during REM sleep. A)pituitary gland B)prefrontal cortex C)amygdala D)hypothalamus Automatic System: Cognitive processes that occur without conscious control or deliberation, typically fast and efficient, handling tasks such as perception, encoding, and simple decision-making. Unconscious: The part of the mind that contains thoughts, memories, and desires not within the realm of current awareness. Brain: The organ located in the head of an animal that coordinates its behavior and processes sensory information; it's the center of the nervous system in humans and other vertebrates. Information: Data, knowledge, or details that are provided or learned about something or someone.