The Hand-Thought-Language Nexus Summary and Analysis

The human brain accounts for intelligence or the ability to discover, weigh and relate facts to solve problems. Wilson claims there are two problem-solving strategies that stand out. They are the ability to design and manufacture a large, diverse, specialized inventory of tools and the use of words established by agreement among people as codes and symbols to stand for a real-world object or process. In other words, tools and language. In order for hominids to expand their range into habitats beyond the jungle, they required continuing brain evolution. The expansion of territory by hominids took group cooperation for survival. A professor of biology from the University of Liverpool named Robin Dunbar proposes a theory of brain growth, language and intelligence to correlate neocortex, brain size, with a stable group or tribe. His study indicates that larger...