When you see a specialist for a certain thing, you know that they specialize and know about a certain topic.
When you see just a regular primary care physcian, you know they know what they are talking about, but they don't know everything that could help you
Brody must have been studying cognitive psychology.
<h3>What is psychology?</h3>
Psychology is a filed of study that deals with human behavior and thought processes. It is a social science because it studies human behavior.
Given that Brody is studying something that has to do with the brain then he must have been studying cognitive psychology.
Learn more about psychology: brainly.com/question/8063835
What do you mean, like in the world or what , please be more specific
In pregnancy the first trimester is the first part of the pregnancy.