Lloyd Sederer & Matthew Erlich

Lloyd Sederer, MD, is medical director of the New York State Office of Mental Health and Adjunct Professor at the Columbia/Mailman School of Public Health. Matthew Erlich, MD, is a Post-doctoral NIMH Research Fellow in the Department of Psychiatry at Columbia University’s College of Physicians and Surgeons and the New York State Psychiatric Institute.

  • How Thoughts Become a Psychiatric Diagnosis

    The Medical Director of the New York State Office of Mental Health explains the misunderstood art of diagnosis in the medical specialty where, in even the sickest patients, the best blood tests and imaging studies often appear normal.

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Where Time Comes From

The clocks that coordinate your cellphone, GPS, and more

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Computer Vision Syndrome and You

Save your eyes. Take breaks.

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What Happens in 60 Seconds

Quantifying human activity around the world

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