A large set of neural structures serves to represent concepts; a smaller set forms words and sentences. (scientificamerican.com)
From these findings, it follows that morality can be described physically, as a complex interplay of neural structures and neural chemistry in the brain. (blog.politics.ox.ac.uk)
Other research indicates that teenage marijuana use may adversely impact the developing brain: it has been linked to changes in neural structure and function, including lower IQ, as well as an increased risk of psychosis in vulnerable individuals. (scientificamerican.com)