u. types of mollusks that have an incredibly simple nervous system and are often used to study neurophysiology - especially the neurophysiology of learning and memory, for use in humans.

APLYSIA: "An aplysia is a type of mollusc with a very simple nervous system."
Cite this page: N., Pam M.S., "APLYSIA," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/aplysia/ (accessed August 12, 2020).