Of Turkey and Karaoke

“I know ev’rybody on this island…” My niece’s sweet, high voice flows into the microphone, through the speakers, and over the room. At nine years old, she’s fearless. She loves singing, loves her family. So why not perform the Moana theme song in front of a crowd of 40 relatives? You have to admire the innocent bravery of children. It’s my second Thanksgiving in as many days. Baltimore with Judy’s family, then Boston at mine. In the weeks leading up to this, My thoughts were about travel, about turkey, about holiday weight gain. But, of course, that’s not what it’s about. The basic unit of the brain is the neuron. An amazing little cell, the neuron moves chemicals and electricity from one place to another. But the neuron is no good on its own. The neuron’s power lies in its connections. Together, neurons form neural networks, and these networks create everything we call life: motion, sensation, thoughts, f...