tail of the VTA (Kaufling et al., 2009),

 ‘‘ball-like nuclei’’  in the posterior VTA (Olson and Nestler, 2007),

‘‘retroVTA’’, ‘‘posterior tail’’ of the VTA, ‘‘caudal pole’’ of the VTA (see Jhou et al., 2009).

Jhou, T. (2005). Neural mechanisms of freezing and passive aversive behaviors. J. Comp. Neurol. 493, 111–114.

Jhou, T.C., Geisler, S., Marinelli, M., DeGarmo, B., and Zahm, D.S. (2009). The mesopontine rostromedial tegmental nucleus: a structure targeted by the lateral habenula that projects to the ventral tegmental area of Tsai and substantia nigra compacta. J. Comp. Neurol. 513, 5 66–596.

Jhou TC, Fields HL, Baxter MG, Saper CB, Holland PC (2009). The rostromedial tegmental nucleus (RMTg), a GABAergic afferent to midbrain dopamine neurons, encodes aversive stimuli and inhibits motor responses. Neuron. 61(5):786-800.