“…Other groups displayed decreased accuracy in interpreting these cues. Heroin addicts, patients with chronic major depression, and even those with premenstrual syndrome all seem to be less accurate (Mdler & Raneh, 1982;Giannini &Jones, 1985;Giannini, Sorger, Martin, & Bates, 1988, respectively). Interestingly, all three of these states are associated with diminished levels of central norepinephrine and P-endorphin (Giannini, Martin, & Turner, 1990).…”