cortex

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Research suggests that trauma can leave the amygdala—the brain’s threat-detection center—chronically overactivated, while dampening the prefrontal cortex, which governs reasoning.

From The Wall Street Journal • May 26, 2026

The team also used pattern visual evoked potentials – a painless test that measured how well signals travelled from the retina to the visual cortex.

From BBC • Apr. 22, 2026

The prefrontal cortex helps guide decisions in fearful situations, while deeper areas such as the periaqueductal gray in the midbrain control responses like freezing or fleeing.

From Science Daily • Apr. 4, 2026

Changes in their activity also influenced how fear-related signals reached the prefrontal cortex, a region involved in decision-making.

From Science Daily • Apr. 4, 2026

Any damage to the frontal cortex can change behavior and personality forever, as the case of Phineas Gage demonstrates.

From "Phineas Gage" by John Fleischman