|
| << vorige | volgende >> |
Tijdschrift beschrijving
Alle jaargangen van het bijbehorende tijdschrift
Alle afleveringen van het bijbehorende jaargang
Alle artikelen van de bijbehorende aflevering
Details van artikel 5 van 6 gevonden artikelen
| Titel: |
Investigating Fear in Rainbow Trout (Oncorhynchus mykiss) Using the Conditioned-Suppression Paradigm |
| Auteur: |
Yue, Stephanie Duncan, Ian J. H. Moccia, Richard D. |
| Verschenen in: |
Journal of applied animal welfare science |
| Paginering: | Jaargang 11 (2008) nr. 1 pagina's 14-27 |
| Jaar: |
2008-01 |
| Inhoud: |
Trout learned the operant task of pendulum-pressing for a food-reward in a mean of 4.3 sessions lasting 1 hr. In a separate phase, fish also learned—through classical conditioning—to associate a neutral light cue with an aversive stimulus. When again allowed to pendulum-press for food, after aversive classical conditioning, there was a drop in the rate of responding. The mean rate dropped from 3.6-2.9 responses per min. Most important, when the light-stimulus was superimposed on a steady bout of pendulum-pressing, trout ceased to press the pendulum and did not resume activity until termination of the light-stimulus (mean number of responses during a 3-min interval immediately prior to light-stimulus = 14.3 vs. during 3-min light-stimulus = 0.1). Psychologists have used this decrease in operant responding, or “conditioned emotional response,” as a tool to examine the psychological nature of this type of aversive conditioning. In this study, the fish demonstrated various results under this paradigm similar to those shown by “higher” nonhuman animals, therefore challenging the view of fish as unconscious, nonsentient animals. |
| Uitgever: |
Routledge |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 5 van 6 gevonden artikelen
| << vorige | volgende >> |