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Forward and Back: Motifs of Inhibition in Olfactory Processing

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1 Forward and Back: Motifs of Inhibition in Olfactory Processing
Maxim Bazhenov, Mark Stopfer  Neuron  Volume 67, Issue 3, Pages (August 2010) DOI: /j.neuron Copyright © 2010 Elsevier Inc. Terms and Conditions

2 Figure 1 As in the Vertebrate, Feedforward and Feedback Inhibition Play Important Roles in the Insect Olfactory System Afferent volleys from olfactory receptor neurons (ORNs) activate the antennal lobe (analogous to the vertebrate olfactory bulb), where excitatory projection neurons (PNs) interact with inhibitory local neurons (LNs). The oscillatory and synchronized spiking output is transmitted to the mushroom body (analogous to the piriform cortex), where Kenyon cells (KCs, analogous to pyramidal cells) receive direct excitation from PNs, feedforward inhibition from lateral horn interneurons (LHIs), and feedback inhibition from the giant GABAergic neuron (GGN). See the text for details. Neuron  , DOI: ( /j.neuron ) Copyright © 2010 Elsevier Inc. Terms and Conditions

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