Interaction of dopamine and cardiac sac modulatory inputs on the pyloric network in the lobster stomatogastric ganglion

Amir Ayali, Ronald M. Harris-Warrick

Research output: Contribution to journalArticlepeer-review

Abstract

Dopamine and cardiac sac network activity each have strong, and different, modulatory actions on the pyloric rhythm in the stomatogastric ganglion of the spiny lobster. When combined, the two modulatory inputs have a complex effect. Dopamine and cardiac sac activity cancel one another's effects to restore normal pyloric activity to 4 of the 6 classes of pyloric neurons. In the remaining two pyloric neurons, dopamine's strong modulatory effects are completely overruled during cardiac sac network related activity. Possible cellular mechanisms underlying these interactions are discussed.

Original languageEnglish
Pages (from-to)155-161
Number of pages7
JournalBrain Research
Volume794
Issue number1
DOIs
StatePublished - 25 May 1998
Externally publishedYes

Keywords

  • Central pattern generator
  • Dopamine
  • Neuromodulation
  • Stomatogastric ganglion

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