How our Unique Brain Takes Shape During Mid-Pregnancy
[Source: Science Daily]
About four or five months after conception, a burst of synaptic growth begins in the prefrontal cortex (PFC) of the human fetus. And within this tangled mass of connections, the developing brain acquires the unique properties that make humans capable of abstract thought, language, and complex social interactions.
But what are the molecular ingredients necessary for this flowering of synapses to occur and that lead to such profound changes in the brain? In two papers published Sept. 29 in the journal Nature, Yale researchers have identified key changes in gene expression and structure in the developing human brain that makes it unique among all animal species.
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