Final Decision? Why the Brain Keeps on Changing its Mind

Benjamin Franklin once quipped: ‘There are three things extremely hard: steel, a diamond, and to know oneself.’ Every decision we make, from pinpointing the source of a faint sound to choosing a new job, comes with a degree of confidence that we have made the right call. If confidence is sufficiently low, we might change our minds and reverse our decision. Now scientists are using these choice reversals to study the first inklings of self-knowledge. Changes of mind, it turns out, reflect a precisely tuned process for monitoring our stream of thoughts.Continue reading

Directed Greatness Knowing Neurons

Is Self-Awareness Humanity’s Greatest Trait?

The adult human brain is comprised of approximately 86 billion neurons on average, with at least as many nonneuronal cells, networked together to create the substance and memories of a human being.  Every skill that you’ve acquired, every memory that you’ve formed, and every experience you’ve ever had is contained and represented by these neural connections and networks.  Continue reading