The locus coeruleus is emerging as a major new area of research interest, with many important functions such as regulating ...

Little is known about the associated brain activation during these sleep rhythms, and even less about their functional implications. In this study, we investigated the brain-wide activation underlying ...

Now, a study suggests that people who take significantly longer to start the dream phase of sleep, known as rapid eye movement (REM), may be experiencing an early symptom of the disease. REM follows ...

Here, using positron emission tomography (PET) and regional cerebral blood flow measurements, we show that waking experience influences regional brain activity ... non-trained subjects, in REM ...

REM follows three phases of non-REM sleep, each deeper than the last ... During REM sleep the brain processes memories, especially those that are emotionally charged, and puts them into long ...

REM follows three phases of non-REM sleep, each deeper than the last ... During REM sleep the brain processes memories, especially those that are emotionally charged, and puts them into long ...

You long for a button or dial that could instantly dampen all that mental activity ... is spent in non-REM (NREM) sleep, during which the brain may engage in a deep clean, clearing away cellular ...

REM follows three phases of non-REM sleep which go from light to deep sleep. Older people take longer to reach REM. During REM sleep the brain processes ... their brainwave activity, eye movement ...

Sleep occurs in four distinct stages: rapid eye movement (REM) sleep and then three types of non-REM (NREM ... 2 NREM sleep, your brain waves slow and electrical activity comes in short bursts.

the brain processes memories -- particularly those that are emotionally charged -- and puts them into long-term storage. While people sleep, the REM phase tends to occur after three phases of non ...