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.
Li X, Liu P, Rayner K.Li X, et al. Among authors: rayner k.Vision Res. 2011 May 25;51(10):1146-56. doi: 10.1016/j.visres.2011.03.004. Epub 2011 Mar 21.Vision Res. 2011.PMID: 21402094Free PMC article.
Li X, Gu J, Liu P, Rayner K.Li X, et al. Among authors: rayner k.J Exp Psychol Learn Mem Cogn. 2013 May;39(3):879-89. doi: 10.1037/a0030337. Epub 2012 Oct 22.J Exp Psychol Learn Mem Cogn. 2013.PMID: 23088542