5个分支：
神经科学（neuroscience）：which is the study of the mind by looking at the brain；
发展心理学（developmental）：which is the area which I focus mostly on ,which is trying to learn about how people
develop and grow and learn;
认知心理学（cognitive）：it refers to a sort of computational appoach to studying the mind, often viewing the mind
on analogy with a computer and looking at how people do things like understand language, recongize objects,
play games , and so on.
社会心理学（social）：which is the study of how people act in groups, how people act with other people.
临床心理学（clinical）：which is maybe the aspect of psychology that people think of immediately when they hear
psychology, which is the study of metal health and mental illness.
