Scarlett and I paid a visit to one of our favorite doctors, Dr. Steve Finkbeiner, in his lab last week. Dr. Finkbeiner works at UCSF’s Gladstone Institute and is the inventor of robotic microscopy, which is a huge step for modern drug discovery. He’s also just an all-around nice guy, who lets me stop by and bother him, even when I bring a 4-year-old who is still wearing her fairy costume from that day’s Carnevale party at school.

The first time we visited the lab, Dr. Finkbeiner and I chatted about research developments while Scarlett was spirited away by an assistant to make a “neuron” out of styrofoam and pipe cleaners. This time, she stayed with me in the office, manhandling the doc’s extensive collection of toy brains. He has one real brain in formaldehyde that I think is fascinating, but Scarlett was far more interested in the gooey, wind-up brains, and would not stop touching them.

I asked the good doctor to show me which part of the brain is responsible for impulse control and at what point it becomes developed in children. Short answers: The Front Part and Not Yet. Read More>