Brains are getting smaller in modern humans

Throughout the past 4 million years, hominin body size has increased, with the brain growing at a disproportionate rate in relation to the rest of the body. Increasing encephalization is believed to be the main driver of the higher cognitive ability observed in mammals. Contrasting millions of years of hominin evolution, brain mass of the anatomically modern (AM) Homo has significantly decreased in the last 50,000 year.
Read more: https://www.psypost.org/2021/11/brains-are-getting-smaller-in-modern-humans-62124?source=Snapzu