A computer is provided along with a method for testing users for alertness and mental fitness. The system and method are usable wherever there is a risk to persons, property, or the environment from individuals not fit to operate machinery or enter an work area safely, or for testing a user for dementia or other neurological impairment. The testing methods resemble computer games, but they actually measure mental fitness and alertness rather than aptitude, ability, or intelligence. The disclosed...

A special-purpose computer is provided along with a method for testing users for alertness and mental fitness before beginning work or a potentially dangerous activity. The system and method are usable wherever there is a risk to persons, property, or the environment from individuals not fit to operate machinery or enter an work area safely. The testing methods resemble computer games, but they actually measure mental fitness and alertness rather than aptitude, ability, or intelligence. The disc...

This invention is a gateway for testing mental function comprising a portable structure that houses one or more mental function testers and an access control device that allows the user to enter a defined area based upon the result of the mental function test. The access control device may either directly control an exit from the gateway or it may dispense a portable indicator of the test results. The gateway may comprise one or more mental function testers that give the same or different tests....