Sleeping Brain Waves Draw a Healthy Bath for Neurons
An organized tide of brain waves, blood and spinal fluid pulsing through a sleeping brain may flush away neural toxins that cause Alzheimer’s and other diseases.
How Microbiomes Affect Fear
New studies help to explain how microbes in the gut can shape a host’s fear responses.
Perceptions of Musical Octaves Are Learned, Not Wired in the Brain
Singing experiments with residents of the Bolivian rainforest demonstrate how biology and experience shape the way we hear music.
Dueling Brain Waves Anchor or Erase Learning During Sleep
While we sleep, one kind of slow brain wave helps to reinforce memories, but a competing wave weakens them.