What are the folds of the brain called?

More folds = more surface area. That means that a wrinkly brain can hold more neurons than a smooth brain. The wrinkles are so important that scientists even have science-y names for them. The ridges are gyri (singular: gyrus) and the folds are sulci (singular: sulcus). read more

Quick Answer. The folds in the brain are crevices called sulci and ridges called gyri, and several of them have specific names. Unfolding all the crevices and ridges would leave a human brain approximately the size of a pillowcase, according to How Stuff Works. read more

Human brain folds are a highly evolved trait. Only mammals have evolved this ability and amongst them only cats, dogs, monkeys, dolphins and humans. Other animals and mammals like rats are still have their 'primitive' flat, unfolded brains. The folds in the brain of course have technical names. The higher ridges are called Gyri or Gyrus (singular). read more