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Automated Mouse Reaching Chamber  Model 80870

Description:

The automated mouse reaching chamber allows researchers to simultaneously measure motor behavior, cognitive processing and motivation.

Motor Behavior: Skilled forepaw reaching behaviors are required to retrieve pellets from the food hopper.

  • The gap between the pellet hopper and chamber discourages "scooping" behavior and encourages pellet grasping.
  • Infrared recording accurately quantifies reach attempts as well as latency.
  • Reach attempts exceeding the number of pellets removed from the hopper indicates unsuccessful attempts.
  • Pellets removed or scooped from the hopper but dropped outside of the chamber into a drop pan indicate pellets grasped but not retrieved.
  • Pellets that drop through the grid-floor into the waste pan indicate pellets successfully retrieved but not eaten

Cognitive Processing: Two reaching holes on opposite walls allow researchers to alternate baited and non-baited hoppers within or between trials.

  • Walls may be marked for visually cued cognitive tasks.
  • Latency measures and non-baited hopper reach attempts are used to assess cognitive deficits.

Motivation: Latency measures from chamber introduction to the first reach attempt indicates motivation to retrieve pellets.

Advantages over other chambers:
  • Staircase reaching chamber can not assess cognitive functions.
  • Trough-type reaching chambers do not discourage "scooping" behavior.
  • Staircase and trough-type reaching chambers do not quantify unsuccessful reach attempts.
  • Staircase and trough-type reaching chambers do not quantify latency measures.
  • A home-cage pellet hopper is available for effortless, time saving and quantifiable training.
  • Automated reaching chamber may be combined with other operant accessories.

- Stimulus light or tone to indicate baited and/or non-baited hopper

- Press bar or nose-poke in combination with pellet feeder to supply hopper with a single reward

Specifications:

Overall Dimensions:

Chamber Dimensions:

Reach Gap:

Chamber Material:

 

 

 

 

 

Photo Detectors:

19.0" x 9.0" x 7.3"

8.0" x 4.4" x 4.6"

Fully adjustable from 0.125" to 2.00"

End Walls - 0.032" Stainless Steel

Side Walls  0.188" Clear Polycarbonate

Lid - 0.188" Clear Polycarbonate

Hoppers - Delrin with Stainless Steel Walls

Pellet Drop Pans - 0.032" Stainless Steel

Waste Pan - 0.032" Stainless Steel

Grid Rods - Stainless Steel

Two durable industrial grade photo beam pairs

 
Options:
  • Model 86060 Activity Counter with Display - to quantify reach attempts
  • Model 86061 Computer Only Counter - to quantify reach attempts
  • Model 88500 ABET Software & Starter Kit - for operant control and monitoring
  • Model 80875 Automated Reaching Chamber Home-Cage Training Hoppers

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Copyright © 2006 Campden Instruments Ltd.