5-Hole-Box System

The TSE 5-Hole-Box system is designed to perform attention tests based on visual discrimination ("5-choice serial reaction time task"). Short-lasting visual stimuli are given in pseudo-random order in all of 5 stimulus holes or in selected holes only. Responses into the holes are monitored with infrared sensors – correct responses are reinforced with the reward given directly into the hole or in one common reward area on the opposite wall. In order to increase attentional load distracting sound or noise can be presented through a loudspeaker module.

The software generates a table of results that discriminates incorrect & correct responses, outputs average latencies for correct & incorrect responses and calculates number of premature responses (measure of impulsivity). A frequency distribution lists number of visits in each hole. For maximum flexibility the integrated program editor allows the generation of user-defined paradigms such as 2-Choice Reaction Time task (2-CRT) or other procedures.

• 5-CSRTT test system for mice or rats
• Pellet or liquid reinforcement – variable reinforcer position. The pellets are available in sizes of 14/ 20/ 45 mg (mice 14mg, rats 20/45mg).
• Present bursts of white noise as distractor (selective attention)
• Optional sine sound in up to two individual loudspeakers mounted at selected holes
• Integrated flexible program editor for user-defined protocols