Appetite of a sea slug

Heike Wägele & Annette Klussmann-Kolb [creativecommons license] via Wikimedia Commons

Appetite can be defined as a craving that is fulfilled via consumption, such as hunger. A new report from Keiko Hirayama and Rhanor Gillette (University of Illinois, Urbana) describes appetite at the neural-network level and shows how it controls a decision-making circuit in the sea slug Pleurobranchaea californica.

Lab Anim. (NY) 41, 54 (2012).
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