The habenula relays external information, such as sight and smell, along with internal states associated with emotion and learning to brain regions that govern adaptive behaviors.
Hyperactivity of the dopamine system may explain the prevalent traits and conditions associated with ASD more commonly found in males.
Males and females view physical and emotional cheating differently. Women consider emotional affairs to be more serious, and men believe physical infidelity to be more serious generally. Researchers report if one partner feels their relationship is threatened by cheating, it is harder for them to forgive infidelity, regardless of gender.
A new study reports bigger brain size could mean an increased risk of developing brain cancer. The reason, researchers say, is simple. Bigger brains have more brain cells, and thus a greater potential for cell mutations that lead to cancer.
A new study sheds light on why children born with very low birth weight often suffer from cognitive problems.