Customizable Recorder of Animal Kinesis (CRoAK): A multi-axis instrumented enclosure for measuring animal movements

Saumya Gupta, Peter M Marchetto, Mark A. Bee

Research output: Contribution to journalArticlepeer-review

Abstract

Accurately quantifying animal activity and movements is of fundamental importance in a broad range of disciplines, from biomedical research to behavioral ecology. In many instances, it is desirable to measure natural movements in controlled sensory environments in which the animals are not physically or chemically restrained, but their movements are nevertheless constrained to occur within a fixed volume. Here, we describe a novel device to quantify the movements of small animals in response to sensory stimulation. The device consists of an Arduino controlled inertial measurement unit that senses angular velocity (along three axes) of a suspended mesh enclosure that temporarily houses the animal subject. We validated the device by measuring the phonotaxis behavior of gravid female frogs in response to acoustic broadcasts of male mating calls. The system, as designed, proved effective at measuring natural movements made in response to acoustic stimulation.

Original languageEnglish (US)
Article numbere00116
JournalHardwareX
Volume8
DOIs
StatePublished - Oct 2020

Bibliographical note

Funding Information:
This work was supported by a National Science Foundation grant (IOS 1452831) to MAB.

Publisher Copyright:
© 2020

Keywords

  • 9DoF
  • Animal behavior
  • Animal enclosure
  • Behavioral assay
  • Bioacoustics
  • Biometrics
  • Gyrometry
  • Inertial measurement unit
  • Kinemeter
  • Movement
  • Phonotaxis
  • Psychophysics

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