Author: Dr. David Lowemann

The devilish details affecting TDRL models in dopamine research

Over recent decades, temporal difference reinforcement learning (TDRL) models have successfully explained much dopamine (DA) activity. This success has invited heightened scrutiny of late, with many studies challenging the validity of TDRL models of DA function. Yet, when evaluating the validity of these models, the devil is truly in the details. TDRL is a broad […]

Published on February 27, 2025

Role of hormone in influencing brain reward pathway and food preferences

When faced with multiple food options and ultimately choosing one, the factors of that decision-making process may be more physiological than previously assumed. A group of scientists recently discovered that the hormone fibroblast growth factor 21, or FGF21, plays an influential role in brain reward mechanisms like those involved in dietary choices. Read Full Article […]

Published on February 27, 2025

Siamese fighting fish need more space in pet shops, study shows

Scientists have found Siamese fighting fish are typically kept in containers just one-quarter the size they need to thrive, challenging decades of retail practice in the ornamental fish industry worldwide. Read Full Article (External Site) Dr. David LowemannDr. David Lowemann, M.Sc, Ph.D., is a co-founder of the Institute for the Future of Human Potential, where […]

Published on February 27, 2025