We rely on it to judge distance, the speed of objects, and the spatial relationships between objects. Males tend to have stronger right hemisphere function. They tend to excel at mathematics because they can see the abstract relationships better. Males tend to make better baseball players because they can percieve the spatial relationship between ball and bat better. They tend to be more successful at reading maps because they can better relate features on the map to objects in the real world.
Females tend to have stronger left hemisphere function.
They excel in verbal fluency and comprehension. They tend to talk better, argue more persuasively, and learn foreign languages more easily than males do. They are better at expressing their feelings in words, and they are even better equipped to sing in tune. The relative advantages of each sex do shift over time. For example, girls develop verbal abbility much more rapidly than boys in infancy, but boys more or less catch up between the ages of 4 and 11.