Brain Marker for Angry Dreams

Researchers have identified a pattern of brain activity that predicts anger experienced during dreaming, according to a new study of healthy adults published in JNeurosci. The research could potentially inform efforts to understand the neural basis of the emotional content of nightmares, a feature of various mental and sleep disorders.

Less REM Sleep Tied to Greater Risk of Dementia

People who get less rapid eye movement (REM) sleep may have a greater risk of developing dementia, according to a new study published in the August 23, 2017, online issue of Neurology®, the medical journal of the American Academy of Neurology. REM sleep is the...

Are learning and unlearning bedfellows?

We know that sleep helps us integrate knowledge acquired during the day. But can we learn new things while sleeping? By exposing subjects to repeated auditory stimuli, a team of researchers has just demonstrated that the brain is capable of learning such sound patterns during certain sleep stages—though they may be forgotten during deep sleep. Led by the Laboratoire de Sciences Cognitives et Psycholinguistique (CNRS / ENS / EHESS) in collaboration with the Laboratoire des Systèmes Perceptifs (CNRS / ENS) and the Centre du Sommeil et de la Vigilance (AP-HP / Paris Descartes University) at Hôtel Dieu Hospital, this study is the subject of an article published in Nature Communications on August 8, 2017.