Using artificial intelligence techniques to understand and analyze texts according to how the human brain processes language. This type of research is based on understanding speech and behavioral patterns through criteria such as tone or words associated with a psychological state. From a psychological point of view, such studies can provide more accurate results about people’s feelings and attitudes, allowing for answers that more accurately correspond to the user’s emotional or cognitive state. However, research like this can raise concerns about privacy and how this data can be used to manage people’s behavior.