Abstract
Understanding how neural circuits contribute to cognitive differences between humans and other species, including macaque monkeys, is a major issue in neuroscience. Language and tool use are the most prominent differences between humans and other primates. Many neuroimaging-based studies have explored the brain mechanisms underlying language to reveal the origin of human evolution.
Highlights
Understanding how neural circuits contribute to cognitive differences between humans and other species, including macaque monkeys, is a major issue in neuroscience
Leroy et al found human-specific asymmetry in the superior temporal sulcus (STS) by analyzing the magnetic resonance images (MRI) of humans and chimpanzees [1], and resting-state functional connectivity analyses have revealed that the functional coupling between the posterior superior temporal gyrus (STG) and inferior frontal gyrus (IFG) is more prominent in humans than in macaques [2]
The findings consistently revealed the important role of IFG and posterior STG/STS in language evolution
Summary
Understanding how neural circuits contribute to cognitive differences between humans and other species, including macaque monkeys, is a major issue in neuroscience. Many neuroimaging-based studies have explored the brain mechanisms underlying language to reveal the origin of human evolution. Wang et al [4] conducted an elegant study in which they demonstrated that specific areas for information integration may only exist in the human brain.
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