A gene that affects the brain’s dopamine system appears to have influenced mothers’ behavior during a recent economic downturn, researchers say.

At the beginning of the recession that began in 2007, mothers with the “sensitive” version of a gene called DRD2 became more likely to strike or scream at their children, the researchers say. Mothers with the other “insensitive” version of the gene didn’t change their behavior.

But once it appeared that the recession would not become a full-fledged depression, the “sensitive” mothers became less likely than “insensitive” mothers to engage in harsh parenting.

Read the full, original story here: Harsh In Hard Times? A Gene May Influence Mom’s Behavior