Brain size area in women, corresponding to spatial versus language specializations. Small studies have attempted to link brain volume with functional measures such as P300 auditory evoked potentials but finding no association. Studies attempting to related sibling differences in IQ to differences in brain volume are hampered by relatively small sample sizes and the noisy nature of such difference scores, yielding weak evidence for cross-trait cross-sib correlations. The largest brain is that of the sperm whale, weighing about , and killer whales, weighing about . An elephant's brain weighs just over and a bottlenose dolphin's . Brain size tends to vary according
On Top of the Whale On Top of the Whale On Top of the Whale () is a 1982 Dutch surreal and magic-realistic fantasy film directed by Chilean Raúl Ruiz while he was in exile and "...is one of his most delirious and ambitious hoax-like fictions". The film employs the use of six different languages, including an invented one. The story follows a Dutch anthropologist and his wife and child who are invited to the house of a communist millionaire in Patagonia (an area located in Chile and Argentina) to study the last two surviving Yachanes Indians. The film unfolds as an ethnography and starts