Brain’s Internal Disappointment Meter Forces Behavioral Change

Summary: A precision developmental neurobiology and behavioral study has identified a dedicated group of brain cells that function as a physical “disappointment meter.” The research isolates a distinct type of…

Dopamine Plays Key Role in the Heart’s Stress Response

Summary: Researchers have discovered how stress-induced cardiovascular changes are controlled by the brain. Experiments in rats show that activating the lateral habenula, a stress-sensitive brain region, triggers changes in heart…