Vanderbilt University Nov 25 2024 Researchers from the Vanderbilt University School of Medicine Basic Sciences have uncovered the first example of activity-dependent development of hypothalamic neural circuitry . Although previous research has shown that the hormone leptin acts directly on hunger neurons through leptin receptors to promote the development of neural circuitry, results that will be published in PNAS on Nov. 25 indicate that certain neurons that do not express leptin receptors are