Screensavers of the Brain: The Science of Dreaming

Screensavers of the Brain: The Science of Dreaming

Each night, you place your head on your pillow, close your eyes, and, barring insomnia, you lose consciousness of the world around you, drifting into blissful oblivion.  Eventually, you reawaken, only to hallucinate in a paralyzed body.  These hallucinations are called dreams.  Why do dreams happen, and what function do they serve?  Although these are simple questions, the purpose of dreaming (and to a large extent, sleep itself) is far from understood.Continue reading

WIDE AWAKE at #SfN14

There’s always one person snoring through the talk you’re trying to listen to at SfN.  That person might even be you at some point during this meeting!  Whether you are sleepy because of the time change, or because you finished your poster at 3AM, or because you were up late catching up with friends and colleagues, sleep is an essential behavior that is regulated by two independent processes: (1) a circadian clock that regulates the timing of sleep, and (2) a homeostatic mechanism that influences the amount and depth of sleep.  Surprisingly, despite significant progress in our understanding of the molecular clock, the mechanisms by which the circadian clock regulates the timing of sleep is poorly understood.Continue reading