PsychologyJuly 17, 2026
sulcus
/ˈsʌlkəs/
Definition
A groove or furrow on the surface of the brain that separates adjacent ridges or convolutions.
Etymology
The word is derived directly from the Latin 'sulcus,' meaning 'furrow' or 'groove.' It was adopted into anatomical terminology in the 17th century to describe the various depressions found on the surface of the human brain.
In the news
In this article, researchers analyze the 'paracingulate sulcus' to compare brain folding patterns between neurotypical and autistic individuals. The study specifically looks at the presence and symmetry of this groove to understand early neurodevelopmental differences.
Autistic brains show differences in a fetal fold linked to social cognition
Read the full article ↗PsyPost