An open source device for operant licking in rats.

Abstract:

:We created an easy-to-use device for operant licking experiments and another device that records environmental variables. Both devices use the Raspberry Pi computer to obtain data from multiple input devices (e.g., radio frequency identification tag readers, touch and motion sensors, environmental sensors) and activate output devices (e.g., LED lights, syringe pumps) as needed. Data gathered from these devices are stored locally on the computer but can be automatically transferred to a remote server via a wireless network. We tested the operant device by training rats to obtain either sucrose or water under the control of a fixed ratio, a variable ratio, or a progressive ratio reinforcement schedule. The lick data demonstrated that the device has sufficient precision and time resolution to record the fast licking behavior of rats. Data from the environment monitoring device also showed reliable measurements. By providing the source code and 3D design under an open source license, we believe these examples will stimulate innovation in behavioral studies. The source code can be found at http://github.com/chen42/openbehavior.

journal_name

PeerJ

journal_title

PeerJ

authors

Longley M,Willis EL,Tay CX,Chen H

doi

10.7717/peerj.2981

subject

Has Abstract

pub_date

2017-02-14 00:00:00

pages

e2981

issn

2167-8359

pii

2981

journal_volume

5

pub_type

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