Instrument Name：Fine and Nine  Hole Nose Poke Wall Test System

Model: MED-NP9M-D1 MED-SYST-8-V SOF-700RA-8

Instrument Manufacturer：MED/USA

Main Functions: 

The 5-hole and 9-hole nose probe systems are based on visual discrimination, and are mainly used in the research of Attention Deficit/Hyperactivity Syndrome, Alzheimer's Disease, Schizophrenia, Intravenous Self-administration of Drugs, and other psychiatric disorders by testing a series of behavioral indexes such as attention and impulsivity in animals.

Main specifications and technical indicators：

It is a fully automated acquisition system with a highly personalized experiment box containing a nose probe wall and a reward component with open source software. Nose probe wall: an infrared detector was placed inside the cave, which contained a yellow stimulus lamp and a lever that could not be used as a shock stimulus in the gap between the curved walls. The following data were recorded: number of correct responses, number of incorrect responses, number of missed responses, number of early responses, number of adherent responses, number of timeout responses, number of rewards, percentage correct, percentage incorrect, percentage missed. Mean time to correct response, mean time to incorrect response.