Genetic and Heritable Factors
he neuroscience behind why a “Me, Me, Me” personality—self-centeredness or narcissistic traits—can appear to “run in the family.” Let’s break it down carefully: 1. Genetic and Heritable Factors 2. Brain Networks & Neurobiology 3. Environmental & Epigenetic Influences 4. The Neuroscience of “Running in the Family” ✅ Key Takeaway A “Me, Me, Me” pattern in families is usually:









