They added: “Our findings demonstrated that transgenic nonhuman primates (excluding ape species) have the potential to provide important – and potentially unique – insights into basic questions of what actually makes humans unique as well as into disorders and clinically relevant phenotypes, such as neurodegenerative and social behavior disorders that are difficult to study by other means. The team wrote: “Remarkably, our preliminary cognitive test detected an improved short-term memory in the monkeys.” The research was undertaken by the Chinese Academy of Sciences' Kunming Institute of Zoology in partnership with US scientists at the University of North Carolina. Only five of them survived long enough to take part in the tests. MCPH1 was inserted into 11 rhesus monkeys. Rhesus monkeys were tested during the controversial study iStock The tests saw the monkeys shown certain colours and shapes on screen before being prompted to recall them. Sign up to our new free Indy100 weekly newsletter The research, which has been recirculating online after first being completed in 2019, was published in the National Science Review journal.Īccording to the authors of the study, the monkeys which had the human gene MCPH1 inserted into their brains performed better on the memory tests. The primates in question were then tested in cognitive exams and their performance was compared to control subjects without the modification. Scientists in China conducted controversial research which involves the insertion of human brain development genes into the genomes of monkeys.
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