A Slug's Life

  • Published30 May 2013
  • Reviewed30 May 2013
  • Author Michael W. Richardson
  • Source BrainFacts/SfN

Image of the Week: A Slug's Life (sea slugs swimming) 

Sea slugs Tritonia diomedea (left) and Hermissenda crassicornis (right) have similar nervous systems. However, when it comes to swimming (shown here) they couldn’t be more different. By comparing and contrasting the neurons responsible for swimming in these molluscs, researchers have identified differences in the cells’ responses to the chemical serotonin, which may contribute to such differences in behavior.

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