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. 2011 May 23;5:30. doi: 10.3389/fnana.2011.00030

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Copyright © 2011 Shepherd.

This is an open-access article subject to a non-exclusive license between the authors and Frontiers Media SA, which permits use, distribution and reproduction in other forums, provided the original authors and source are credited and other Frontiers conditions are complied with.

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Top: Olfactory cortical areas on the ventrolateral surface of the cerebrum of the rat. Abbreviations: AOC, anterior olfactory cortex; ctx, cortex; olfac tub, olfactory tubercle. From Neville and Haberly (2004). Bottom: Basic circuit of the mammalian piriform (olfactory) cortex. Abbreviations: LOT, lateral olfactory tract; SP, superficial pyramidal cell; DP, deep pyramidal cell; S, stellate cell; C, centrifugal fiber. Arrows indicate direction of flow of activity. Open profiles: excitatory synaptic action; filled profiles: inhibitory synaptic action. From Shepherd (1974).