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Comparing Different Animal Brains to the Human Brain

comparing brains
by

nixie lopez

on 15 November 2011

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Transcript of Comparing Different Animal Brains to the Human Brain

Comparing Different Animals Brains to the Human Brain dolphins brain Dolphins in many species have brains that are larger than ours Humans only come on top when you correct for differences in body weight Dolphin brains also have many features correlated with higher brain functions similar to humans cats brains The average cats brain accounts for 0.9 percent of its total body mass compared to 2 percent of total body mass in the average human. The modern human cerebral cortex is about 2500 cm².
According to researchers at Tufts University School of Veterinary Medicine, the physical structure of human brains and that of cats are very similar they have the same lobes in the cerebral cortex (the "seat" of intelligence) as humans do.
sheep brains The human cerebellum is proportionately much bigger than a sheep's cerebellum
Human brains are larger. An adult human brain typically weighs 1,300 to 1,400 grams. Sheep brains have comparatively larger olfactory bulbs, which control the sense of smell. Like most animals, sheep rely on their ability to smell more than humans do.
Each of the dolphin's eyes is connected to a different side of the brain. Because of that, a Dolphin can still see when it is sleeping, making it difficult for predators to sneak up on it.
Humans and chimpanzees are closely related in the animal kingdom, with scientists estimating we share 99% of our DNA with chimps.


Chimpanzees and humans do share a lot of brain activity in regions associated with contemplation of self and others. However, human brains frequently engage the regions associated with language and meaning, while chimp brains do not.




MRI-based studies have also shown a correlation between the asymmetry of a chimpanzee's brain and its hand preference (left or right) that is similar to the correlation found in humans.



chimpanzee brain humans brain An adult sheep brain is 140 grams human brain humans brain The surface area of a cat's cerebral cortex is about 83cm2. human brain Thank you for watching my Prezi !!! By:Nixie
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