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Cover of July 3, 2021 & July 17, 2021 issue

Neuroscience mysteries

A three-dimensional look at 50,000 brain cells taken from a woman with epilepsy uncovered some pairs with an astonishingly large number of connections, Laura Sanders reported in “An intricate brain map reveals quirks” (SN: 7/3/21 & 7/17/21, p. 6).

Given that nerve cells usually touch once, reader Leilani wondered if the woman’s epilepsy could be the reason for the cells’ multiple connections.