Neural analog of arousal: persistent conditional activation of a feeding modulator by serotonergic initiators of locomotion.


We investigated how a neural analog of a form of arousal induced by a mildly noxious stimulus can promote two antagonistic responses, locomotion and feeding. Two pairs of cerebral serotonergic interneurons in Aplysia, CC9 and CC10, were persistently activated by transient noxious stimuli. Direct stimulation of CC9-10 activated locomotor activity that… (More)
DOI: 10.1523/JNEUROSCI.3855-08.2008


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