Though it was based on very little evidence, many scientists thought that all mammalian brains, including the human brain, were made in the same way, with a number of neurons that was always proportional to the size of the brain.
از اونجا که بر مبنای شواهد کمی بود، خیلی از دانشمندها فکر میکردن مغز همه پستانداران، من جمله مغز انسان، به یه روش ساخته شدن، با تعدادی سلول عصبی که همیشه متناسب با اندازه مغز بودن.