An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Donner TH, Siegel M, Oostenveld R, Fries P, Bauer M, Engel AK.Donner TH, et al. Among authors: engel ak.J Neurophysiol. 2007 Jul;98(1):345-59. doi: 10.1152/jn.01141.2006. Epub 2007 May 9.J Neurophysiol. 2007.PMID: 17493916Free article.
Fries P, Roelfsema PR, Engel AK, König P, Singer W.Fries P, et al. Among authors: engel ak.Proc Natl Acad Sci U S A. 1997 Nov 11;94(23):12699-704. doi: 10.1073/pnas.94.23.12699.Proc Natl Acad Sci U S A. 1997.PMID: 9356513Free PMC article.