A neurologist and a cardiologist from Cornell University College of Veterinary Medicine in the United States have published a study that looks at brain to body size in dogs large and small. As reported by VIN News, the researchers based their study on data from MRI scans which had been done on a variety of different sized dogs for other research.
The researchers graphed the dog’s brain and body sizes, and found that little dogs had eight times as much brain mass for their body sizes as the big dogs. The researchers then explored whether the bigger the brain the smarter the creature. Whilst the outcome might not be so definite, the research certainly makes for an engaging read! Read more