CohenB. D.BrownG. W.BrownM. L.Avoidance learning motivated by hypothalamic stimulation. J. exp. Psychol., 1957, 53, 228–233.
2.
DelgadoJ. M. R.RobertsW. W.MillerN. E.Learning motivated by electrical stimulation of the brain. Amer. J. Physiol., 1954, 179, 587–593.
3.
MassermanJ. H.Is the hypothalamus a center of emotion?Psychosom. Med., 1941, 3, 3–25.
4.
RobertsW. W.Rapid escape learning without avoidance learning motivated by hypothalamic stimulation in cats. J. comp. physiol. Psychol., 1958, 51, 391–399.