When scientists researched on participants’ brain activity while they talked about themselves vs. others, they found that people enjoyed sharing personal information more, especially with an audience. They chose to give up monetary gain for that opportunity and the reason being self-disclosure stimulates the pleasure regions in our brain.
This finding explains the enthusiasm for old and new media platforms in sharing personal information. It also challenges the idea that self-disclosure only aims to build interpersonal relationships.
Self-disclosure is involved in psychological therapy and counselling. Is this why the experience can be cathartic? Read more here.