Rapid, accurate time estimation in zebrafish (Danio rerio).
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Zebrafish were tested in an appetitive Pavlovian delayed conditioning task. After an intertrial interval of k*T s (k=11.25; T=8, 16 or 32 s), a small, translucent vertical pole was illuminated (CS) for T s. Food was presented at T/2 s. Pole-biting response latencies from CS onset were a linear function of the food delay T/2, with slope approximating unity (proportional timing), and standard deviation proportional to latency (scalar timing). Response latencies tracked changes in food delays even when they changed every other day. These findings are significant because the zebrafish genome has recently been sequenced, opening the door to studies in the genetics of interval timing.
Published Version (Please cite this version)10.1016/j.beproc.2013.06.007
Publication InfoCerutti, Daniel T; Jozefowiez, J; & Staddon, John ER (2013). Rapid, accurate time estimation in zebrafish (Danio rerio). Behav Processes, 99. pp. 21-25. 10.1016/j.beproc.2013.06.007. Retrieved from https://hdl.handle.net/10161/15363.
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John E. R. Staddon
James B. Duke Distinguished Professor Emeritus of Psychology and Neuroscience
Until my retirement in 2007, my laboratory did experimental research on learning and adaptive behavior, mostly with animals: pigeons, rats, fish, parakeets. We were particularly interested in timing and memory, feeding regulation, habituation and the ways in which pigeons and rats adapt to reward schedules. The aim is to arrive at simple models for learning that can help to identify the underlying neural mechanisms. I continue to do theoretical and historical work on the power law in
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