Is bad behavior determined by a child's genes? A new study has found that a particular gene has some influence on whether or not adolescents show alarming behaviors-but only if their parents aren't keeping tabs on them...

The so-called reward center of the brain may need a new name, say scientists who have shown it responds to good and bad experiences. The finding may help explain the "thrill" of thrill-seeking behavior or maybe just the thrill of surviving it, according to scientists.

The number of connections between nerve cells in the brain can be regulated by an immune system molecule, according to a new study.

Age alters memory. But in what ways, and why? These questions comprise a vast puzzle for neurologists and psychologists. A new study looked at one puzzle piece: how older and younger adults encode and recall distracting, or irrelevant, information...

In Civilization and Its Discontents, Sigmund Freud argued that modern society was hard on human psychology, forcing people to get along in unnaturally close quarters. Now newly published research points out a different discontent in the developed world, namely, the disruption of our natural sleep cycles, thanks to the ubiquity of electric lighting. Experiments on ...