Our guest today is Dr. Lilianne Mujica Parodi, the director of the Laboratory for Computational Neurodiagnostics at Stony Brook University.
We will be talking to Lily about her paper in PNAS last year that revealed neurobiological changes associated with aging can be seen in a person’s late 40s, a much younger age than what was previously thought. She and her colleagues at Stony Brook also found that this process may be prevented or even reversed based on dietary changes that involve minimizing the consumption of simple carbohydrates. The study’s targeted experiments showed that the biomarker for brain aging could be reliably modulated with consumption of different fuel sources. The study showed that decreasing glucose and increasing ketones resulted in the stability of brain networks.
Much of Lily’s work over the years has been focused on developing neuroimaging tools. In today’s interview, we talk to her about functional magnetic resonance imaging, also known as fMRI, which measures the small changes in blood flow that occur with brain activity. It may be used to examine the brain's functional anatomy, evaluate the effects of stroke or other disease, and even guide brain treatment. Functional magnetic resonance imaging also can detect abnormalities within the brain that cannot be found with other imaging techniques.
[00:03:08] Dawn opens the interview asking Lily what she was like as a child.
[00:04:20] Dawn mentions that Lily grew up in Maryland near the National Institute of Health. Lily talks about her experiences interning at the NIH in her senior year of high school.
[00:09:41] Dawn asks what brought Lily to Georgetown University.
[00:10:29] Ken asks about Lily’s experience at Georgetown University, where she majored in physics and philosophy.
[00:15:16] Lily explains why she went to Columbia University after graduating from Georgetown.
[00:19:14] Dawn asks about Lily’s research that led to her receiving the Brain and Behavior Research Foundation Young Investigator Award in 2000.
[00:22:44] Dawn asks about Lily’s experience giving a lecture at the NIH while she was wrapping up her doctorate at Columbia.
[00:27:00] Dawn asks what brought Lily to Stony Brook.
[00:30:30] Ken asks Lily what attracted her to biomedical engineering.
[00:32:58] Dawn mentions that much of Lily’s work at Stony Brook has been focused on developing neuroimaging tools. Dawn goes on to ask why neuroimaging has not provided the anticipated success for psychiatry and neurology that the electrocardiogram provided for cardiovascular medicine.
[00:39:04] Ken mentions that Lily is the director of the Laboratory for Computational Neurodiagnostics. Lily gives an overview of the lab and the research conducted there.
[00:44:00] Dawn mentions that Functional Magnetic Resonance Imaging, also known as fMRI, measures small changes in blood flow that occur with brain activity, and can be used to examine the brain’s functional anatomy, and evaluate various insults, diseases, and abnormalities, that cannot be found with other imagining techniques. Dawn asks Lily to explain the technology of fMRI and its various applications.
[00:49:36] Lily discusses her lab’s involvement in the development of a technology called “Near-Infrared Spectroscopy,” which is an attempt to replicate MRI-type imaging in an ambulatory environment such as an emergency room or a rural environment.
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