Complex sentence: More recently some in the field of developmental psychology have begun to think of self control in a more complicated way that takes into account tould have the capacity to be either impulsive or controlled depending on which is the most adaptive.
Split into simpler sentences: More recently some in the field of developmental psychology have begun to think of self control in a more complicated way that takes into account that sometimes impulsiveness is the more adaptive response. In their view, a normal individual should have the capacity to be either impulsive or controlled depending on which is the most adaptive.