Prior research has established that escape impairment resulting from prior inescapable shock (IS) could be reversed by the peripheral administration of the opiate antagonist naltrexone (NTX), but not the quaternary form of naltrexone (QNTX), which…
Norepinephrine (NE), acting through alpha-2-noradrenergic receptors in the hypothalamic paraventricular nucleus (PVN), has been implicated in the control of feeding behavior and body weight gain. To determine whether this hypothalamic receptor system…
Movement control in vertebrates is a complex function that is known to involve several parallel systems. In amphibians, which lack the isocortical structures shown in mammals to initiate and control voluntary movements, supraspinal motor control…
In Experiment I, castrated male and female CD-1 mice +/- estradiol benzoate (EB) treatment were tested for their performance on a skilled sensorimotor task consisting of walking across beams of varying widths (6, 9, 12, and 21 mm). To evaluate…
