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Charting of the distribution of Fos-li cells at three different anteroposterior levels of the PVT and in the habenula in response to acute cocaine and amphetamine injection. Eachdot represents a Fos-li neuron. LHb, Lateral habenula; MHb, medial habenula;pv, thalamic paraventricular nucleus; sm, stria medullaris.
