Dreaming Brain
PET scans reveal the high levels of brain activity during REM sleep (left) and wakefulness (right). During REM, the brain is abuzz with excitement. (This is especially true of the sensory areas.) According to the activation–
PET scans reveal the high levels of brain activity during REM sleep (left) and wakefulness (right). During REM, the brain is abuzz with excitement. (This is especially true of the sensory areas.) According to the activatio
Hank Morgan/Science Source