As the processing of hemispheres is different, their think process is different. In general, the left hemisphere is dominant for the logical and analytical functions, but the right hemisphere is less involved in these functions. In some individuals, the right hemisphere is dominant (left-handed).
Sex or gender also accounts for the organizational differences in individual brains. The release of gender specific sex hormones peaks during the adulthood, which shape the neural circuits. As the sex hormones are different in males and females, they shape the neural circuits differently.