There is a general consensus that cooperation was a critical strategy for the survival and evolutionary success of humanity. As existing scientific literature suggests, moral emotions act as a key proponent in ensuring that individuals are motivated towards cooperating with one another to better their chances of survival, but perhaps they serve other functions as well.

Research papers aren't the easiest to read. They're written in complex language, filled with a hearty sprinkling of statistics, and often can seem quite confusing. This summary was created in an effort to summarize the main research in a way that's accessible to a wider audience. It lays out the process with maximum transparency, allowing the reader to form their own conclusions after critical evaluation.