@article{articlefdeee39a,
title   = {The periaqueductal gray and primal emotional processing critical to influence complex defensive responses, fear learning and reward seeking},
author = {Motta, Simone Cristina and Carobrez, Antônio P. and Canteras, Newton Sabino},
year = {2017},
doi = {10.1016/j.neubiorev.2016.10.012},
journal   = {Neuroscience and Biobehavioral Reviews}
}