Tsukuba, Japan—Mild exercise results in a feeling of mental clarity and enhances cognition and memory. A possible mechanism behind such effects is the activation of the arousal center in the brainstem ...

We found that the locus coeruleus may provide the critical 'start' signal to the hippocampus, as if saying, 'Hey, we're in a new event now,'" said Davachi. "Prior work had shown that bursts of locus ...

A tiny region in the brain works like a reset button that separates memory of one meaningful event from the next. Without this reset mechanism, moments could blur together and lead to the kinds of ...

A small cluster of cells deep within our brains, called the locus coeruleus, affects how awake and attentive we are, how we respond to stress, how we cope with anxiety and fear, and how we create ...

Life may unfold as a continuous stream, but our memories tell a different story. We do not recall the past as one long, unbroken text. Instead, we remember it as a series of meaningful events, like ...

Most people think of Alzheimer’s disease as an illness of aging. But in fact, the brain changes that characterize it begin much earlier – sometime around the third decade of life. Developing tau ...