Brainstem Blueprints: Microcircuit Basis of Left/Right Motor Decisions

2025 Seed Grant
Jared M. Cregg, Ph.D.
University of Wisconsin

The brain helps us move through the world by choosing which way to go—left or right. The specific brain circuits that control these kinds of actions aren’t well understood. Our research focuses on a small region deep in the brain called the rostral pontine reticular nucleus (PnO), which may serve as a control center for these turning movements. We’ve found that it contains two groups of neurons— one for going left and one for going right—that seem to work in opposite ways to guide movement. By studying how these groups interact, we aim to learn how the brain controls direction during movement. This work may also help explain movement problems in conditions like Parkinson’s disease.

Other Grants

José Manuel Baizabal Carballo, Ph.D., Indiana University Bloomington
Heterochromatin Mechanisms of Cortical Expansion
Neurodevelopmental disorders, such as autism and schizophrenia, are frequently associated with mutations in genes that encode chromatin-modifying enzymes. A subset of these mutations is thought to disrupt compacted chromatin (heterochromatin),…
Jessica L. Bolton, Ph.D., Georgia State University
Chemogenetic Tools in Microglia as a Novel Therapeutic Approach for Brain Disorders
All humans are born with a unique combination of genes, which contribute greatly to who we are. However, early-life experiences such as trauma or hardship, particularly during the first few…
Junyue Cao, Ph.D., The Rockefeller University
Elucidate the Molecular and Cellular Targets of Caloric Restriction in Rejuvenating Aged Mammalian Brain
As we age, the brain’s ability to function declines, increasing the risk of cognitive impairments and neurological diseases like Alzheimer’s and Parkinson’s. Our research investigates how caloric restriction (CR), a…
Vasileios Christopoulos, Ph.D., University of Southern California
Understanding the Mechanisms of Micturition in the Brain and Spinal Cord
This research aims to better understand how the brain and spinal cord work together to control urination, a process known as micturition. In healthy individuals, this process is carefully coordinated…