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Originally posted by double_frick
reply to post by skibtz
i have to say, the sun is not so credible, i think.
if this is true, how MAGICAL!
Although the biology of the humpback whale is well understood, there have been virtually no studies published on its brain composition, leaving an open question as to how brain structure may relate to the extensive behavioral and social abilities of this mammal. Although brain to body mass ratio, a rough measure of intelligence, is lower for baleen whales such as the humpback compared to toothed whales such as dolphins, the structure and large brain size of baleen whales suggests that they too have a complex and elaborate evolutionary history.
Patrick R. Hof and Estel Van der Gucht of the Department of Neuroscience at Mount Sinai School of Medicine in New York, NY, examined the brain of an adult humpback whale and compared it with the brain of a fin whale (another baleen species) and brains from several toothed whales, including three bottlenose dolphins, an Amazon river dolphin, a sperm whale, two beluga whales, a killer whale and several other whale and dolphin species. They found that the humpback cerebral cortex, the part of the brain where thought processes take place, was similar in complexity to smaller sized cetaceans such as dolphins. The large area of cortex found in these mammals is thought to be related to acoustic capabilities and the current study shows that it is organized into a system of core and belt regions. However, substantial variability was found between the cell structure of the cortex in humpbacks compared to toothed whales. The authors suggest that these differences may indicate differences in brain function and behavior in aquatic species that are not yet understood.
One feature that stood out in the humpback whale brain was the modular organization of certain cells into "islands" in the cerebral cortex that is also seen in the fin whale and other types of mammals. The authors speculate that this structural feature may have evolved in order to promote fast and efficient communication between neurons. The other notable feature was the presence of spindle cells in the humpback cortex in areas comparable to hominids and in other areas of the whale brain as well. Although the function of spindle neurons is not well understood, they are thought to be involved in cognitive processes and are affected by Alzheimer's disease and other debilitating brain disorders such as autism and schizophrenia. Spindle neurons were also found in the same location in toothed whales with the largest brains, which suggests that they may be related to brain size.
Originally posted by skeptic_al
reply to post by skibtz
It's not a Whale unless it's got a Japanese Harpoon in it !!
It's not a Whale unless It's followed by a Japanese "Research" vessel !!
Originally posted by skibtz
I love it when things like this happen.
I am so sick and tired of hearing the pro-whaling/hunting crowd bang on about how other living entities can be hunted and killed just because they believe that the creatures are not sentient et al.
This whale recognised that the diver was in trouble and pushed them to the surface in order to save her.
Not only are whales sentient entities but they clearly recognise when another being, despite being a different species, is in trouble and then helps to preserve that life.