Sentences with phrase «relative brain size as»

«If we use relative brain size as a metric of «intelligence» then one would have to conclude that dolphins are second in intelligence to modern humans,» said Marino, who performed several MRI scans on dolphin brains.

«If we use relative brain size as a metric of «intelligence» then one would have to conclude that dolphins are second in intelligence to modern humans,» Lori Marino, Lori Marino, a senior lecturer in neuroscience and behavioral biology at Emory University, told Discovery News.

Not exact matches

Rob Barton of Durham University and Chris Venditti of the University of Reading, both in the UK, examined how the relative sizes of different parts of the brain changed as primates evolved.

With their unusually large brains relative to their body size and advanced cognition, parrots live in a complex social environment — not merely in a large population of cooperating creatures, such as bees or ants, but in a dynamic setting of alliances and competitors.

Absolute size is important, but it is usually regarded as less informative than relative size — the size of the brain as a fraction of the size of the body.

After accounting for other factors that could led to successful latch - opening, such as manual dexterity and sociality, the researchers concluded that relative brain size was the most significant predictor of success in the task.

This may explain why, for example, birds with small relative brain sizes, such as pheasants, find it harder to avoid a moving car than those with larger brain size, such as magpies.

But if you're comparing brain size relative to body size, as the breed's body size gets smaller, dog brain size doesn't necessarily shrink in exact proportion.