NOB Novel Object Recognition Pilot

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Pilot to test Novel Object Recognition (NOR) set-up.

(describe arena setup)

NOB Novel Object Recognition Pilot
Memory
Expt CodeSNB
Start Date2026-6-22
InvestigatorsAbreu-Price, Houpt
FundingChair's Fund
Protocol20220000006
Expt TypeCTA
Speciesrat
DrugsNA
Data LinkNA

People

Julia Abreu-Price

Agenda

NOB01-06, Adult male Sprague Dawley rats (Charles River), DOB 2026-4-12, arrived 2026-6-9, housed in BRF169.

All arena tests run in BRF115.

1-hour Retention Test

Habituation phase (2026-6-22,23,24)

For each rat, once per day for 3 consecutive days:

  • wipe down sides of arena with Windex multisurface disinfectant cleaner
  • place new wrap under arena
  • bring rat cage from housing rm BRF169 to test room BRF115, weigh rat, place in arena for 3 minutes, return to home cage.


Training (2026-6-25)

  • wipe down sides of arena with Windex multisurface disinfectant cleaner
  • place new wrap under arena
  • place 2 identical toys (i.e., 2 x kong or 2 x jack) in corners 20cm away from each wall
  • bring rat cage from housing rm BRF169, weigh rat
  • start video recording on iMac, place rat in arena for 3 (THREE) minutes
  • return to home cage and BRF 169.
  • wash toys in soapy water and rinse
  • repeat for each rat, alternating toys:
 * 2 x Kong: NOB01,NOB03,NOB05
 * 2 x Jack: NOB2,NOB4,NOB6

Testing (2026-6-25)

At 60 min (ONE HOUR) after training, repeat test with 2 different toys:

  • wipe down sides of arena with Windex multisurface disinfectant cleaner
  • place new wrap under arena
  • place 1 kong and 1 jack in corners 20cm away from each wall
  • bring rat cage from housing rm BRF169 (don't weigh rat again)
  • start video recording on iMac, place rat in arena for 3 (THREE) minutes
  • return to home cage and BRF 169.
  • repeat for each rat, alternating position of jack and kong.
AID Left Right
NB01 kong* jack
NB02 kong jack*
NB03 jack kong*
NB04 jack* kong
NB05 kong* jack
NB06 jack* kong

* indicates familiar object


24-hour Retention Test

Habituation phase (2026-7-27,28,29)

  • All 6 rats cages brought on cart from housing rm BRF169 to test room BRF115, weighed, placed in arena for 3 minutes, returned to home cage.


Training (2026-7-30)

At 24 hours after training:

  • All 6 rats cages brought on cart from housing rm BRF169 to test room BRF115.
  • place 2 identical toys (i.e., 2 x shroom or 2 x ball) in corners 20cm away from each wall
  • rat weighed, placed in arena for 3 minutes.
  * 2 x shroom: NB01, 03, 05
  * 2 x ball: NB02,04,06

Testing (2026-7-32)

  • All 6 rats cages brought on cart from housing rm BRF169 to test room BRF115.
  • place 1 of each toys (shroom and ball) in corners 20cm away from each wall
  • rat weighed, placed in arena for 3 minutes.
AID Left Right
NB01 shroom* ball
NB02 ball* shroom
NB03 shroom* ball
NB04 ball* shroom
NB05 shroom* ball
NB06 ball* shroom

* indicates familiar object


Analysis

Yolo Detection (2026-7-9)

yolo-detect.py run on NOB Training and Test movies, using pose model from 2026-7-6.