Distinguishing between arginine vasopressin (AVP) deficiency and primary polydipsia is challenging. Hypertonic saline–stimulated copeptin has been used to diagnose AVP deficiency with high accuracy ...

It's an unfortunate fact of life — as we age, we tend to become more forgetful. Aging brains struggle especially with working memory. Called the workbench of the mind, working memory allows us to ...

A new study suggests that a promising noninvasive brain stimulation technique may not function exactly as psychiatrists had ...

In A Nutshell Researchers used gamma-frequency brain stimulation to increase altruistic choices in a lab game. The effect was modest and strongest when participants had less money than their partner.