Drosophila homer is required in a small set of neurons including the ellipsoid body for normal ethanol sensitivity and tolerance.
Urizar NL, Yang Z, Edenberg HJ, Davis RL. Drosophila homer is required in a small set of neurons including the ellipsoid body for normal ethanol sensitivity and tolerance. J Neurosci. 2007 Apr 25; 27(17):4541-51.