A specific pattern of brain activity in a frontal brain region is linked to compulsive behaviors like excessive hand washing, ...

To make a deliberate action in a volatile environment, the brain must frequently reassess the value of each action (action-value). Choice can be initially made from the experience of trial-and-errors, ...

Especially for twentysomethings, romantic love is shaped by a challenging tangle of anatomical development and learned ...

When a baby smiles at you, it's almost impossible not to smile back. This spontaneous reaction to a facial expression is part of the back-and-forth that allows us to understand each other's emotions ...

This post is the second in a series, “Connecting Biology to Behavior: Inside the ADHD Brain." Read the first post to learn about the role of dopamine in ADHD behaviors. Your child shuts down on a ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...

Rogier Mars receives funding from the Biotechnology and Biological Sciences Research Council (BBSRC) UK and the Medical Research Council (MRC) UK. Katherine Bryant does not work for, consult, own ...