1McGovern Institute for Brain Research, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
*Correspondence: Gloria B. Choi
Abstract
In this issue of Neuron, Keum et al. (2018) identify a Nrxn3 variant that produces an enhancement of observational fear learning. Results suggest that Nrxn3 loss of function, specifically within somatostatin-positive interneurons of the anterior cingulate cortex, is responsible.