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.
Hall MD, Pastore RE, Acker BE, Huang W.Hall MD, et al. Among authors: pastore re.Percept Psychophys. 2000 Aug;62(6):1243-57. doi: 10.3758/bf03212126.Percept Psychophys. 2000.PMID: 11019620
Acker BE, Pastore RE, Hall MD.Acker BE, et al. Among authors: pastore re.Percept Psychophys. 1995 Aug;57(6):863-74. doi: 10.3758/bf03206801.Percept Psychophys. 1995.PMID: 7651810
Acker BE, Pastore RE.Acker BE, et al. Among authors: pastore re.Percept Psychophys. 1996 Jul;58(5):748-61. doi: 10.3758/bf03213107.Percept Psychophys. 1996.PMID: 8710453