A few weeks ago, I returned to the classroom of Dennis Dalton, the most important college professor of my life. From the back of an amphitheater seating several hundred students, I realized how much things had evolved at Columbia and Barnard. The lecture hall was now equipped with a wireless sound system, webcams, video projectors, wireless internet. Students were using computers to record the lecture and to take notes. Heads were buried in screens, the tap tap of hundreds of keyboards like rain on the roof.

On this afternoon, April 16, 2008, Dalton was describing the satyagraha of Mahatma Gandhi, building the discussion around the Amritsar massacre in 1919, when British colonial soldiers opened fire on 10,000 unarmed Indian men, women and children trapped in Jallianwala Bagh Garden. For 39 years, Professor Dalton has been inspiring Columbia and Barnard students with his two semester political theory series that introduces undergrads to the ideas of Gandhi, Thoreau, Mill, Malcolm X, King, Plato, Lao Tzu. His lectures are about themes, connections between disparate minds, the powerful role of the individual in shaping our world. Dalton is a life changer, and this was one of his last lectures before retirement.

Over the course of a riveting 75-minute discussion of the birth of Gandhian non-violent activism, I found myself becoming increasingly distressed as I watched students cruising Facebook, checking out the NY Times, editing photo collections, texting, reading People Magazine, shopping for jeans, dresses, sweaters, and shoes on Ebay, Urban Outfitters and J. Crew, reorganizing their social calendars, emailing on Gmail and AOL, playing solitaire, doing homework for other classes, chatting on AIM, and buying tickets on Expedia (I made a list because of my disbelief). From my perspective in the back of the room, while Dalton vividly described desperate Indian mothers throwing their children into a deep well to escape the barrage of bullets, I noticed that a girl in front of me was putting her credit card information into Urban Outfitters.com. She had finally found her shoes!

When the class was over I rode the train home heartbroken, composing a letter to the students, which Dalton distributed the next day. Then I started investigating. Unfortunately, what I observed was not an isolated incident. Classrooms across America have been overrun by the multi-tasking virus. Teachers are bereft. This is the year that Facebook has taken residence in the national classroom.

Students defend this trend by citing their generation’s enhanced ability to multi-task. Unfortunately, the human mind cannot, in fact, multi-task without drastically reducing the quality of our processing. Brain activation for listening is cut in half if the person is trying to process visual input at the same time. A recent study at The British Institute of Psychiatry showed that checking your email while performing another creative task decreases your IQ in the moment 10 points. That is the equivalent of not sleeping for 36 hours—more than twice the impact of smoking marijuana. But to be honest, on the educational front, multi-tasking feels to me like a symptom of a broader sense of alienation.

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