B51

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B51 is a neuron in the buccal ganglion of Aplysia californica

It has been identified as part of the feeding CPG and is a site of change for operant conditioning.

The original description of this neuron is in Plummer MR, Kirk MD. Premotor neurons B51 and B52 in the buccal ganglia of Aplysia californica: synaptic connections, effects on ongoing motor rhythms, and peptide modulation. J Neurophysiol. 1990 Mar;63(3):539-58. PubMed PMID: 2329360. http://www.ncbi.nlm.nih.gov/pubmed/2329360


References

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putative decision-making neuron in Aplysia serves as a mechanism in the decision not to feed following food satiation. Behav Brain Res. 2015 Mar 15;281:131-6. doi: 10.1016/j.bbr.2014.12.022. Epub 2014 Dec 16. PubMed PMID: 25527117; PubMed Central PMCID: PMC4305457.

  • Sasaki K, Cropper EC, Weiss KR, Jing J. Functional differentiation of a

population of electrically coupled heterogeneous elements in a microcircuit. J Neurosci. 2013 Jan 2;33(1):93-105. doi: 10.1523/JNEUROSCI.3841-12.2013. Erratum in: J Neurosci. 2013 Feb 6;33(6):2728. Sasaki, Kosai [corrected to Sasaki, Kosei]. PubMed PMID: 23283325; PubMed Central PMCID: PMC3680137.


  • Shields-Johnson ME, Hernandez JS, Torno C, Adams KM, Wainwright ML,

Mozzachiodi R. Effects of aversive stimuli beyond defensive neural circuits: reduced excitability in an identified neuron critical for feeding in Aplysia. Learn Mem. 2012 Dec 14;20(1):1-5. doi: 10.1101/lm.028084.112. PubMed PMID: 23242417; PubMed Central PMCID: PMC3533130.


  • Lorenzetti FD, Baxter DA, Byrne JH. Classical conditioning analog enhanced

acetylcholine responses but reduced excitability of an identified neuron. J Neurosci. 2011 Oct 12;31(41):14789-93. doi: 10.1523/JNEUROSCI.1256-11.2011. PubMed PMID: 21994395; PubMed Central PMCID: PMC3198865.


  • Lorenzetti FD, Baxter DA, Byrne JH. Molecular mechanisms underlying a cellular

analog of operant reward learning. Neuron. 2008 Sep 11;59(5):815-28. doi: 10.1016/j.neuron.2008.07.019. PubMed PMID: 18786364; PubMed Central PMCID: PMC2603610.


  • Mozzachiodi R, Lorenzetti FD, Baxter DA, Byrne JH. Changes in neuronal

excitability serve as a mechanism of long-term memory for operant conditioning. Nat Neurosci. 2008 Oct;11(10):1146-8. doi: 10.1038/nn.2184. Epub 2008 Sep 7. PubMed PMID: 18776897.


  • Baxter DA, Byrne JH. Feeding behavior of Aplysia: a model system for comparing

cellular mechanisms of classical and operant conditioning. Learn Mem. 2006 Nov-Dec;13(6):669-80. Review. PubMed PMID: 17142299.


  • Lorenzetti FD, Mozzachiodi R, Baxter DA, Byrne JH. Classical and operant

conditioning differentially modify the intrinsic properties of an identified neuron. Nat Neurosci. 2006 Jan;9(1):17-9. Epub 2005 Nov 27. PubMed PMID: 16311590.


  • Jing J, Cropper EC, Hurwitz I, Weiss KR. The construction of movement with

behavior-specific and behavior-independent modules. J Neurosci. 2004 Jul 14;24(28):6315-25. PubMed PMID: 15254087.


  • Shetreat-Klein AN, Cropper EC. Afferent-induced changes in rhythmic motor

programs in the feeding circuitry of aplysia. J Neurophysiol. 2004 Oct;92(4):2312-22. Epub 2004 Jun 2. PubMed PMID: 15175374.


  • Brembs B, Lorenzetti FD, Reyes FD, Baxter DA, Byrne JH. Operant reward

learning in Aplysia: neuronal correlates and mechanisms. Science. 2002 May 31;296(5573):1706-9. PubMed PMID: 12040200.


  • Nargeot R, Baxter DA, Byrne JH. In vitro analog of operant conditioning in

aplysia. II. Modifications of the functional dynamics of an identified neuron contribute to motor pattern selection. J Neurosci. 1999 Mar 15;19(6):2261-72. PubMed PMID: 10066277.


  • Nargeot R, Baxter DA, Byrne JH. In vitro analog of operant conditioning in

aplysia. I. Contingent reinforcement modifies the functional dynamics of an identified neuron. J Neurosci. 1999 Mar 15;19(6):2247-60. PubMed PMID: 10066276.


  • Evans CG, Cropper EC. Proprioceptive input to feeding motor programs in

Aplysia. J Neurosci. 1998 Oct 1;18(19):8016-31. PubMed PMID: 9742168.


  • Plummer MR, Kirk MD. Premotor neurons B51 and B52 in the buccal ganglia of

Aplysia californica: synaptic connections, effects on ongoing motor rhythms, and peptide modulation. J Neurophysiol. 1990 Mar;63(3):539-58. PubMed PMID: 2329360.