• The Creative Porpoise Revisited 

      Holth, Per (European Journal of Behavior Analysis;13 (1), Academic article, 2012)
      The sources of novel behavior and behavioral variability is an important issue in behavior analysis for theoretical as well as for practical reasons. "The Creative Porpoise" study by Pryor, Haag, and O`Reilly from 1969 has ...
    • Patterns of motor activity in spontaneously hypertensive rats compared to Wistar Kyoto rats 

      Fasmer, Ole Bernt; Johansen, Espen Borgå (Peer reviewed; Journal article; Journal article, 2016-12-01)
      Background: Increased motor activity is a defining characteristic of patients with ADHD, and spontaneously hyper - tensive rats have been suggested to be an animal model of this disorder. In the present study, we ...