![]() ![]() ![]() Paradigm shifts do occur when you look at the differences in quality.ītw – I scored 251 milliseconds on the reaction time test. It is possible to have a high throughput in information processing yet have little development. ![]() Development is not just about the amount of information but the quality of information. I think this because it can remember numbers better than most humans. They crow does not know that the concept (theory of mind exists).Ī chimpanzee has a digit span of about 20. A crow knows that another crow will steal its food so hides it in hundreds of places and sets decoys. Humans have the connectome necessary to understand theory of mind in a way that allows them to understand that theory of mind exists. Elephants would have the intelligence of a 10-year-old if they had hands with fingers. Intelligence is not just about the amount of information you process but how you process it. Elephants can draw pictures of elephants with trees and the sun next to them. Mammals have the neocortex and the neocortex is structured for a unique form of cognition. IQ should fit an exponential function rather than a linear function because even mice have some intelligence. Pumpkin Person: The fact that human racial differences on the brain size-IQ dimensions does such a poor job predicting the IQ of our closest living relative, suggests there might be something very wrong with HBD data. The fact that human racial differences on the brain size-IQ dimensions does such a poor job predicting the IQ of our closest living relative, suggests there might be something very wrong with HBD data. So chimps probably have an IQ of perhaps as low as 14, which is 60 points higher than predicted from the population level correlation between IQ and brain size in humans. On the Wechsler scales, if you average 4 SD below the mean on all subtests, your full-scale IQ is 5.71 SD below the mean, equating to an IQ of only 14. Research suggests that on most cognitive tasks, chimps are at about the level of a Western 2.5-year-old, which equates to a deviation IQ of about 40 (U.S. When we enter the chimp brain size of 498 as X into the line of best fit, it predicts an IQ of only -46! It is interesting to ask whether we can predict chimp IQ by extrapolating from human racial differences. the IQ they would have in First World middle class environments) of many human races, as a function of their average genetic brain size: If they weighed as much as a human in optimum physical shape, they’d be expected to have a cranial capacity of 498 cc.īelow is a chart showing the estimated average genetic IQ (i.e. Samples of hair and feces for DNA testing can also be collected from a nest, aiding in information about that particular group and the species in general.Chimpanzees have a cranial capacity of about 400 cc, and a mean body weight of about 45 kg. From a nest site, you can tell things such as how many chimps may be in the group, how old the nest is, and where the chimps prefer to build their nests. Scientists are able to study great ape social structure by looking at nest sites. Babies sleep in the nest with their mothers. Usually they are high in the trees, but large male chimps and gorillas will sometimes build nests on the ground. Sometimes these nests can be very elaborate. The nests are built by folding in branches and packing them with available vegetation. At night, both of these great apes climb into the trees and make nests to sleep in. If a chimp population goes extinct, this knowledge will also be lost.Ĭhimpanzees and gorillas are nest builders. Some chimp populations have created their own versions of tool use, utilizing their environment in a way that can be defined as an early form of what we call 'culture'. One recent study observed chimps hunting with sticks, with which they impaled bushbabies in holes in the trees using spears! Chimps have also been observed to self-medicate, using plants native to their habitat. In fact, male chimpanzees have been observed to carry out cooperative, organized hunts as a group, with distinct strategies for catching their prey (see a link about chimps hunting). Chimpanzees have been known to hunt, and will readily eat meat. They eat mostly fruit, but are able to utilize many other forest resources, especially in the dry season, when fruit is scarce. Every day, chimps travel through the forest on a daily foraging foray. While a chimp will cross patches of grassland, their home is in the trees. The habitat of the chimpanzee is African forests. ![]()
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