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The hippocampus of an elephant takes up about 0.7% of the central structures of the brain, comparable to 0.5% for humans and with 0.1% in Risso's dolphins and 0.05% in bottlenose dolphins. [ 17 ] The hippocampus is linked to emotion through the processing of certain types of memory , especially spatial.
Although brain size doesn’t necessarily indicate more brain power, elephants have an incredible memory because their cerebral cortex is so big. This is the brain area that stores long-term memories.
Elephant brains also show a complexity similar to dolphin brains, and are also more convoluted than that of humans, [20] and with a cortex thicker than that of cetaceans. [21] It is generally agreed that the growth of the neocortex , both absolutely and relative to the rest of the brain, during human evolution, has been responsible for the ...
The human brain contains 86 billion neurons, with 16 billion neurons in the cerebral cortex. [ 2 ] [ 1 ] Neuron counts constitute an important source of insight on the topic of neuroscience and intelligence : the question of how the evolution of a set of components and parameters (~10 11 neurons, ~10 14 synapses) of a complex system leads to ...
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They are among the world's most intelligent species. With a mass of just over 5 kg (11 lb), the elephant brain is larger than that of any other terrestrial animal. The elephant's brain is similar to a human brain in terms of structure and complexity; the elephant's cortex has as many neurons as that of a human brain, [43] suggesting convergent ...
The brain of an elephant weighs 4.5–5.5 kg (10–12 lb) compared to 1.6 kg (4 lb) for a human brain. [77] It is the largest of all terrestrial mammals. [78] While the elephant brain is larger overall, it is proportionally smaller than the human brain. At birth, an elephant's brain already weighs 30–40% of its adult weight.
Elephant: 1.13–2.36 [66] Dog: 1.2 ... Working memory is the ability of the brain to maintain a temporary representation of information about the task that an animal ...