Jean Piaget was a developmental psychologist - c. Piaget was infact one of the most known developmental psychologists which are very important and have been very important for the development of developmental psychology. He has had tremendous impact on the different fields within psychology and out of it.
Answer and Explanation:
Apical impulse is the place in the chest where the heartbeat can be palpated. The usual location depends on the morphological type of the person. In a normolineal individual, it is located at the intersection of the 4th or 5th left intercostal space with the left midclavicular line. This point corresponds to the area where the heart is closest to the costal grid thus allowing its palpation in an intercostal space. Usually lasts half of systole.