Mencius' political philosophy basically results from an extension of his doctrine of moral feelings. As he told the rulers, “If you let people follow their feelings (original nature), they will be able to do good” (Mencius 6A6). When Xunzi later attacked Mencius, one of his arguments was based on the concept of natural feelings.
Answer:
amygdala
Explanation:
Heinrich Klüver and Paul Bucy lesioned the amygdala in order to study its functioning. Kluver had done experiments on monkey prior to the amygdala experiments. The experiments involved injecting mescaline into monkeys which caused them to produce licking and chewing movements, as well as convulsions. This was the same kind of behavior seen in people who had temporal lobe epilepsy.
This pointed them towards the direction of further research into the temporal lobe and the amygdala.
The answer to the question above is FIELDWORK. From the term itself, the work involves in the "field" or in the actual environment wherein the researcher him or herself immerses in the natural environment in order to accomplish a given work or task. This already involves participant observation since the researcher witnesses the actual behavior of the participants in the field.