Cultural Evolution

Widespread trust in vaccines often leads to higher vaccination rates, but vaccine shortages can deter even those with confidence in vaccines. Furthermore, while vaccine mandates can create an appearance of universal vaccination, people may remain hesitant, resulting in lower compliance than anticipated. Read More

Vanderbilt biologists Nicole Creanza and Kerri-Ann Anderson have developed a new mathematical model, rooted in cultural evolution, that represents vaccine hesitancy as a belief that can influence, but not perfectly predict, whether parents will decide to vaccinate their children. Read More

The cultural evolution of a population depends not only on size but also on the degree of specialization within a population, according to a new study published last month by a team of scientists including Nicole Creanza. The study found that populations can increase their cultural repertoire by subdividing knowledge into smaller groups, but the total group must be sufficiently large for specialization to be advantageous. Read More

Vanderbilt biologist Nicole Creanza is the guest editor of a new themed issue of "Philosophical Transactions of the Royal Society B" highlighting interdisciplinary approaches to understanding human evolution. Read More