15. Millecamps M, Centeno MV, Berra HH, Rudick CN, Lavarello S, Tkatch T, Apkarian AV. D-Cycloserine reduces neuropathic pain behavior through limbic NMDA-mediated circuitry. Pain 2007;132:108--23.
16. Monconduit L, Villanueva L. The lateral ventromedial thalamic nucleus spreads nociceptive signals from the whole body surface to layer I of the frontal cortex. Eur J Neurosci 2005;21:3395--402.
17.. Braz JM, Nassar MA, Wood JN, Basbaum AI. Parallel --pain'' pathways arise from subpopulations of primary afferent nociceptor. Neuron 2005;47:787--93.
18. Gauriau C, Bernard JF. Pain pathways and parabrachial circuits in the rat. Exp Physiol 2002;87:251--8.
19. Kostarczyk E, Zhang X, Giesler Jr GJ. Spinohypothalamic tract neurons in the cervical enlargement of rats: locations of antidromically identified ascending axons and their collateral branches in the contralateral brain. J Neurophysiol 1997;77:435--51.
20. Newman HM, Stevens RT, Apkarian AV. Direct spinal projections to limbic
and striatal areas: anterograde transport studies from the upper cervical
spinal cord and the cervical enlargement in squirrel monkey and rat. J Comp
Neurol 1996;365:640--58.
