Abstract: Example systems, methods, and apparatus, including cognitive platforms, are provided for applying signal detection metrics in computer-implemented adaptive response-deadline procedures to data collected based at least in part on user interaction(s) with computerized tasks and/or interferences. The apparatus can include a response classifier for generating a quantifier of the cognitive abilities of an individual. The apparatus also can be configured to adapt the tasks and/or interferences to enhance the individual's cognitive abilities.

Abstract: A device for firing projectiles comprising a housing having a chamber for retaining projectiles positioned therein and means for expelling the retained projectiles from the housing. An inverted cup is positioned within the chamber and includes an aperture connected to the expelling means. Compressed gas is provided within the chamber by a means for providing compressed gas and a means for activating the providing means is provided as well. Upon activating the activating means compressed gas is provided within the chamber by the providing means causing the projectiles to be caught by the inverted cup and forced through the aperture for expelling therefrom by the expelling means.

Abstract: A multi-barreled rapid fire gun and method of use for firing a plurality of projectiles contained within a container releasably connected to the gun. The gun includes at least one barrel for receiving the projectiles from the supply. A supply of gas is connected to the at least one barrel and a device for providing gas from the supply to the at least one barrel is connected therebetween. A gas regulator is provided for regulating a pressure of the gas supplied to the at least one barrel wherein activation of the device for providing causes the gas to be supplied to tie at least one barrel to be received at a desired pressure causing the projectile to be ejected from the at least one barrel, a velocity at which the projectile is ejected and a distance at which the projectile travels being dependent upon the pressure at which the gas is provided to the at least one barrel.