22/09/2024
Welcome to another edition of our "Science Says" series! 🧠🐶
In this series, we explore the latest scientific research and break it down for you. Today, we're diving into the fascinating world of canine cognition—specifically, how dogs process smells in their brains.
Dogs' sense of smell is renowned for its sensitivity and diversity, but have you ever wondered how those smells are processed in the brain? Using Diffusion MRI (a method that measures molecular diffusion through tissues), researchers mapped connections from the olfactory bulb—the part of the brain where smells are processed—to other regions of the brain.
What they discovered is groundbreaking! They identified five extensive pathways connecting the olfactory bulb to the occipital lobe (responsible for vision), the cortical spinal tract, the limbic system, the piriform lobe, and the entorhinal pathway. This is the first time anyone has documented a direct connection between the olfactory bulb (smell) and the occipital lobe (vision) in any species!
This new understanding brings us one step closer to uncovering how dogs integrate smells into their cognitive functioning.
What do you think about this discovery? How might this connection between smell and vision influence a dog's perception of the world? Share your thoughts in the comments! And if you have any studies you'd like us to review in future posts, drop a link below!
https://doi.org/10.1523/JNEUROSCI.2355-21.2022
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