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2021-03 - Whale and dolphin brains are special, but for heat production, not for intelligence


9 March 2021 - Wits University
Scientific evidence shows specialised features in the large brains of whales and dolphins that are adapted for heat production.
Whales and dolphins have the largest brains on the planet, some of them weighing over eight kilogrammes, six times heavier than the average human brain.
These mammals’ huge brains have often been cited as evidence of them being highly intelligent; however, does their large brain size mean they have the same mental – or better – capabilities as humans?
Scientific evidence from a study led by Professor Paul Manger from the School of Anatomical Sciences at the University of the Witwatersrand in Johannesburg, South Africa (Wits University), indicate that whales and dolphins’ large brains lack the diversity, flexibility and adaptability in their mental processes and behaviour that humans have, and that their large brains instead evolved to keep these brains warm in icy oceanic temperatures. This research ....

South Africa , Olga Shpak , Africa Wits University , School Of Anatomical Sciences , University Of The Witwatersrand , Professor Paul Manger , Anatomical Sciences , Wits University , பள்ளி ஆஃப் உடற்கூறியல் அறிவியல் , ப்ரொஃபெஸர் பால் மேலாளர் , உடற்கூறியல் அறிவியல் , விட்ஸ் பல்கலைக்கழகம் ,