The Human Brain A 300 Expansion Since Our Ancestors

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Brain shape, however, evolved gradually within the … · human brain evolution is characterized by increase in expression of genes involved in energy metabolism, synaptic function, and plasticity. Although we share evolutionary history … · these studies reveal that most of the enlargement of the human brain was due to the expansion of the association cortex, the critical substrate for higher-order cognition. The tremendous expansion and the differentiation of the neocortex constitute two major events in the evolution of the mammalian brain. · new research suggests that brain expansion mainly occurred within individual species, accelerating in more recent human ancestors due to a mix of genetic, environmental, … Over seven million years, hominins evolved from small-brained apes into highly intelligent beings capable of art, science, and technological innovation. Sapiens already fell within the range of present-day humans. The brain of homo erectus showed a … · the tremendous expansion and the differentiation of the neocortex constitute two major events in the evolution of the mammalian brain. To understand the human mind – how we acquire, process, store, and act on information from the environment – we have to know the long history of our species and the selective pressures … Because so much of brain development … More significant and specific anatomical changes in the brain became apparent in later human ancestors, from homo erectus through homo sapiens. This timeline highlights major milestones … As our ancestors evolved, they adapted their brains to meet the demands of their environments, leading to enhanced problem-solving skills and increased ability for abstract thinking. · a human child’s brain is more adaptable, more capable of forming complex neural connections, than almost any other species on earth. The increase in size and complexity of … The increase in size and complexity of our brains …