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J Neurosci Methods. 2010 Mar 30;187(2):229-34. doi: 10.1016/j.jneumeth.2010.01.011. Epub 2010 Jan 21.

Automated imaging of neuronal activity in freely behaving Caenorhabditis elegans.

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1
Laboratoire de Physique Statistique de l'Ecole Normale Supérieure, CNRS, UPMC, 24, rue Lhomond, 75005 Paris, France. juliette.benarous@lps.ens.fr

Abstract

In order to understand how neuronal circuits control locomotory patterns it is necessary to record neuronal activity of freely behaving animals. Here, using a new automated system for simultaneous recording of behavior and neuronal activity in freely moving Caenorhabditis elegans on standard agar plates, we show that spontaneous reversals from forward to backward locomotion reflect precisely the activity of the AVA command interneurons. We also witness spontaneous activity transients in the PLM sensory neurons during free behavior of the worm in standard conditions. We show that these activity transients are coupled to short spontaneous forward accelerations of the worm.

PMID:
20096306
DOI:
10.1016/j.jneumeth.2010.01.011
[Indexed for MEDLINE]
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