Monthly Archives: December 2012

Editorial on bilateral vs single coronary bypass surgery

December 20th, 2012 (1 Comment)

John Puskas, chief of cardiac surgery at Emory University Hospital Midtown, recently had an editorial in the journal Circulation on the topic of coronary bypass surgery. Specifically, he says that many cardiac surgeons are reluctant to employ bilateral internal thoracic artery grafts (as opposed to a single graft), even though there is a long-term benefit, […]

Striking graph showing gene-stress interactions in PTSD

December 14th, 2012 (No Comments)

This graph, from a recent paper in Nature Neuroscience, describes how variations in the gene FKBP5 make individuals more susceptible to physical and sexual abuse, and thus more likely to develop PTSD (post-traumatic stress disorder). The paper is the result of a collaboration between Elisabeth Binder and her colleagues at the Max Planck Institute of […]

Seeing in triangles with grid cells

December 13th, 2012 (1 Comment)

When processing what the eyes see, the brains of primates don’t use square grids, but instead use triangles, research from Yerkes neuroscientist Beth Buffalo’s lab suggests. She and graduate student Nathan Killian recently published (in Nature) their description of grid cells, neurons in the entorhinal cortex that fire when the eyes focus on particular locations. […]