
Aaron Barbey
Andrew J. McKenna Family Professor of Psychology and Director of the Human Neuroimaging Center at the University of Notre Dame; cognitive neuroscientist researching the neural architecture of human intelligence and brain health.
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Sep 1, 2026
198 | Nutritional Cognitive Neuroscience – A Conversation With Dr. Aron Barbey
25:32
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25:17John BelloneHOST
But I'm wondering what your advice is about striking the balance between the forest and the trees and how you suggest we focus the conversation as we get further into kind of the nutrients and brain health portion of the conversation.

Aron BarbeyGUEST
So I think just like in the other areas, what we're all aiming to do is kind of build the most reliable characterization of nutritional status and dietary patterns by integrating multiple pieces of information.

Aron BarbeyGUEST
So, you know, food frequency questionnaires, I would say this historically has been the gold standard in the nutritional sciences where essentially you would ask, an individual to describe what are the kinds of foods that they typically eat.

Aron BarbeyGUEST
That can be at a broad level very helpful for understanding generally what are the type of foods that underlie their dietary pattern.

Aron BarbeyGUEST
But we've all recognized, certainly in the nutritional sciences, that these kinds of food frequency questionnaires have inherent limitations where many of us might not accurately recall the kinds of foods that we've eaten.
44 MINS LATER
J
70:10John BelloneHOST
Do you have any thoughts about where that point is in the literature or that it does tip over to where we can recommend it pretty safely?