Yale scientists discover how cortisol strengthens emotional memories

Researchers at Yale University found that cortisol strengthens emotional memories by altering how brain networks for emotion and memory function and communicate. The study was published in Science Advances.

• Cortisol improved recall of emotionally significant images in participants
• In emotion networks, the hormone made activity more consistent and engaged
• In memory networks, cortisol increased specialization for emotional information
• The hormone boosted coordination between emotion and memory networks