Animal cognition Animal cognition Animal cognition describes the mental capacities of non-human animals and the study of those capacities. The field developed from comparative psychology, including the study of animal conditioning and learning. It has also been strongly influenced by research in ethology, behavioral ecology, and evolutionary psychology, and hence the alternative name cognitive ethology is sometimes used. Many behaviors associated with the term "animal intelligence" are also subsumed within animal cognition. Researchers have examined animal cognition in mammals (especially primates, cetaceans, elephants, dogs, cats, pigs, horses, cattle, raccoons and rodents), birds (including parrots, fowl, corvids and pigeons), reptiles (lizards and snakes),
The China Study Chinese Counties," referred to in the book as "the China Study"—was a comprehensive study of dietary and lifestyle factors associated with disease mortality in China. The study compared the health consequences of diets rich in animal-based foods to diets rich in plant-based foods among people who were genetically similar. The idea for the study began in 1980–81 during discussions between T. Colin Campbell at Cornell and Chen Junshi, Deputy Director of Institute of Nutrition and Food Hygiene at the Chinese Academy of Preventive Medicine. They were later joined by Richard Peto of the University of Oxford—Professor of Medical Statistics and