How and when the ability to form and store memories arises are topics of great interest to neuroscientists. Now Yale researchers have identified three distinct stages in brain development that occur before episodic memories can form.Yale scientists measured brain activity in the hippocampus of newborn rats and found at the beginning of third week of postnatal life there was no evidence of neural activity that would allow the animal to link sequential events either in time or space. (January 11, 2019)

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