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According to him, this led to the development of religion, with the Woman and the Bull as the first sacred figures. [6] He claims that this led to a revolution in human thinking, with humans for the first time moving from animal or spirit worship to the worship of a supreme being, with humans clearly in hierarchical relation to it. [8]
Other factors are the development of cooking, [149] and it has been proposed that intelligence increased as a response to an increased necessity for solving social problems as human society became more complex. [150] Changes in skull morphology, such as smaller mandibles and mandible muscle attachments, allowed more room for the brain to grow ...
He likens the development of laws, the presence or absence of civil liberty, differences in morality, and the whole development of different cultures to the climate of the respective people, [10] concluding that the environment determines whether and how a people farms the land, which determines the way their society is built and their culture ...
There has also been studies on sexual selection and evolution of cognition in seed beetles. It shows that "cognitive ability did show sex-specificity: strong sexual selection improved cognitive ability for males but not females." [19] Higher levels of cognition may have evolved to facilitate the formation of longer lasting relationships.
Piaget's theory of cognitive development, or his genetic epistemology, is a comprehensive theory about the nature and development of human intelligence. It was originated by the Swiss developmental psychologist Jean Piaget (1896–1980).
In 1841 he became able to work for short periods a couple of days a week, and produced a paper on stones and debris being carried by ice floes, but his condition did not improve. Having consulted his father he began looking for a house in the countryside to escape a city suffering from economic depression and civil unrest.
They argue that the original "human revolution" theory reflects a profound Eurocentric bias. Recent archaeological evidence, they argue, proves that humans evolving in Africa some 300,000 or even 400,000 years ago were already becoming cognitively and behaviourally "modern".
The main purpose of Darwin's work was to support the theory of evolution by demonstrating that emotions in humans and other animals are similar. Most of the similarities he found were between species closely related, but he found some similarities between distantly related species as well.