neocortical

The neocortex is the large, folded outer layer of the mammalian brain. When something is described as neocortical, it means it relates to that specific region of the brain. This area is strongly involved in higher mental functions such as language, reasoning, planning, decision-making, and much of sensory processing.

You're most likely to encounter "neocortical" in scientific or medical contexts, especially in neuroscience, psychology, and cognitive science. Researchers might discuss neocortical circuits (networks of neurons in the neocortex), neocortical plasticity (the ability of this area to change and adapt), or neocortical development (how this region grows and matures).

It's not a word you'd use in everyday conversation. You would not usually say, "I had a very neocortical thought today." Instead, the word is used to describe processes, structures, or changes in this outer brain region. For example: "The study investigated how neocortical activity changes during learning," or "Damage to the neocortex can result in serious problems with thinking or perception."

The term also appears in some discussions of artificial intelligence, where researchers compare AI systems with the structure or function of the human neocortex. So, while it is a specialized word, understanding "neocortical" helps you follow ideas about how the outer brain supports thought, learning, and perception.