Answer:
Neuroscience and Psychology. The scientific study of the brain is indispensable to the scientific study of the mind. Although neuroscience and psychology focus on different domains, neuroscience deals with the realm of physical properties, while psychology deals with the more abstract realm of the mental.
If you start doing it more will follow, so as the pigs lead the animals follow whatever they say even if it doesn’t seem right or the rules seem to keep changing they don’t question it because the other ones are doing it
The figurative language used in the passage is a simile .