Description

The geotaxis test is used to investigate motor coordination and vestibular sensitivity in rodents. The rodent is usually placed in an inclined grid in the head downwards position. The grid allows for grip and allows for the rodent to reorient itself towards an upwards position. Both acrylic and stainless steel versions are available through MazeEngineers. The larger angle creates a more difficult barrier towards reorientation. Shallower angles allow for easer geotaxis.

Scoring is done with three categories: measuring the ability to turn upwards within 60 seconds, failure to turn within 60 seconds, attempted but failed to turn within 60 seconds.

 

 

Two Ways to Buy

Price & Dimensions

Mouse Metal

$ 1490

  • Platform Dimensions: 35cm x 35cm
  • Stainless Steel Material
  • Slope range 0º to 90º, continuous increments with a lock provided
  • Grid for easy grip approx 1cm x 1cm

Rat metal

$ 1790

  • Platform Dimensions: 50cm x 50cm
  • Stainless Steel Material
  • Slope range 0º to 90º, continuous increments with a lock provided
  • Grid for easy grip approx 1cm x 1cm

Mouse Acrylic

$ 890

  • 35 cm x 35 cm for the floor, wall, and angled platform
  • Grey non reflective opaque acrylic for all parts of the apparatus
  • 1cm horizontal etchings on the anterior portion of the angled platform for easy grip.
  •  Thickness: ½ in
  • Notches to allow the angled platform to move between 5 degree increments. (45,40,35,30,25,20,15,10,5)
  • 9 notches on the bottom floor and 9 notches on the wall
  • Notches are 75% width of the platform and approx. 1cm high, ¼ in thickness

Rat Acrylic

$ 990

  • 50 cm x 50 cm for the floor, wall, and angled platform
  • Grey non reflective opaque acrylic for all parts of the apparatus
  • 1cm horizontal etchings on the anterior portion of the angled platform for easy grip.
  •  Thickness: ½ in
  • Notches to allow the angled platform to move between 5 degree increments. (45,40,35,30,25,20,15,10,5)
  • 9 notches on the bottom floor and 9 notches on the wall
  • Notches are 75% width of the platform and approx. 1cm high, ¼ in thickness

References

Alberts, J. R., Motz, B. a, & Schank, J. C. (2004). Positive geotaxis in infant rats (Rattus norvegicus): a natural behavior and a historical correction. Journal of Comparative Psychology, 118(2), 123–132. http://doi.org/10.1037/0735-7036.118.2.123

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