Papers and Posters Presented at the 32Nd Annual Meeting of the Psychonomic Society the Hyatt Regency San Francisco, San Francisco, California November 22-24, 1991
Papers 1-9 Friday Morning Papers and Posters Presented at the 32nd Annual Meeting of the Psychonomic Society The Hyatt Regency San Francisco, San Francisco, California November 22-24, 1991 A1TENTION I ASSOCIA11VE LEARNING: ANIMAL I Embarcadero AB, Friday Morning, 8:00-9:40 Embarcadero CD, Friday MoroiJIK, 8:00-9:50 Chaired by lanu!s C. lohnston. NASA-Ames Research Center Chaired by Lorraine G. Allan, McMaster University 8:00-8:20 (1) 8:00-8:15 (6) Selective Attention to an Item Is Stored as a Feature 01 the Item. Iocentive Shifts 10 Pavloviao Fear CoadItIoaIoa: A US Modula GEORGE SPERLING, New York Uniwmty, & STEPHEN A. WURSf, tion View. MICHAEL S. FANSELOW & STACEY L. YOUNG, SUNY at Oswego-Subjects must detect a repetition in a stream of 30 UCU-CSs associated with painful USs produce a naloxone reversi characters flashed at to per second. Items alternate in either color ble analgesia which acts as negative feedback, reducing the impact of (black/white). size, orientation, or spetial frequency . Selectively attending predicted USs. Accordingly, naloxone "disregulated" conditioning; a feature (e.g., black) never improves detection of repeated attended learning curves went to the same asymptote regardless of US intensity . (black) versus unattended (white) items. Many counterintuitive results Shifting drug treatment during acquisition had effects that paralleled US are explained by assuming (I) all items are stored in short -term mem intensity shifts. Naloxone blocks the retarded acquisition found when ory (there is no perceptual flItering) and (2) attention to an item is itself strong shock experience follows mild shock. These data indicate that stored as a feature of that item.
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