Brain on display

Nancy Kanwisher goes where few other neuroscientists dare to in public outreach

Nancy Kanwisher’s newly shaved head

NOTEWORTHY  Brain regions involved in certain tasks (colors) are illustrated on neuroscientist Nancy Kanwisher’s newly shaved head.

Trillium Studios

Studying the human brain requires grandiose thinking, but rarely do actual theatrical skills come into play. In her latest stint as a video star, MIT neuroscientist Nancy Kanwisher does not buzz saw her skull open to give viewers a glimpse of her brain. But she does perhaps the next best thing: She clips off her shoulder-length gray hair and shaves her head on camera.

Kanwisher’s smooth, bald head then becomes a canvas for graduate student and artist Rosa Lafer-Sousa, who meticulously draws in the brain’s wrinkles — the sulci and the gyri that give rise to thoughts, memories and behaviors. All the while, Kanwisher provides a voice-over describing which areas of the brain recognize faces, process language and even think about what another person is thinking.

The video is the latest in Kanwisher’s occasional online series, Nancy’s Brain Talks. Pithy, clever and cleanly produced, the more than two dozen videos she has made so far bring brain science to people who might otherwise miss out. In another neurostunt, brain-zapping technology called transcranial magnetic stimulation makes Kanwisher’s hand jump involuntarily. These demonst

PUBLIC OUTREACH In addition to running a research lab at MIT, Nancy Kanwisher makes brain science explainer videos and posts them on her website Nancy’s Brain Talks. Justin Knight
rations capture people’s attention more than a dry scientific paper would. “I think scientists owe it to the public to share the cool stuff we discover,” Kanwisher says.

Her own lab’s discoveries focus on how the brain’s disparate parts work together to construct a mind. Some brain areas have very specific job descriptions while others are far more general. Compiling a tally of brain regions and figuring out what they do is one of the first steps toward understanding the brain. “It starts to give us a set of basic components of the mind,” Kanwisher says. “It’s like a parts list.”

Kanwisher, 56, says she plans to expand Nancy’s Brain Talks but has no immediate plans for another self-demonstration. Already, the wiggles on her scalp have faded. “It’s cool-looking, but I didn’t want to go around like that,” she says. 

Laura Sanders is the neuroscience writer. She holds a Ph.D. in molecular biology from the University of Southern California.

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