The ontogeny of auditory frequency generalization in the chicken

Journal of Experimental Psychology. Animal Behavior Processes
E W Rubel, M H Rosenthal

Abstract

To determine if there is an ontogenetic change in stimulus coding, chickens between the day of hatching and 9-10 days old were tested using a habituation-generalization paradigm. Experiment 1 indicated that 1 day-old and 3--4-day-old chicks show similar habituation of an eye-opening response to auditory stimuli in the 800--1,200-Hz range. In Experiment 2 the eye-opening response to a 1,000-Hz stimulus was habituated and then immediately tested using stimuli which varied between 800 and 1,200 Hz. Each age-group (1 day, 3--4 days, and 9--10 days) showed a symmetrical stimulus generalization gradient around the 1,000-Hz stimulus and the 1-day-old chicks displayed a reliably flatter gradient than either of the older groups, which did not differ. In a third experiment, the position of the gradients relative to the baseline was shifted without altering the relative shapes. These results allow general arousal, general auditory responsiveness, overall error rate, and metric characteristics of the independent and dependent variables to be eliminated as possible sources of the age differences in gradient shape. The changes in stimulus generalization, therefore, support the view that during normal development there is a sharpening of perc...Continue Reading

Citations

Sep 1, 1993·Hearing Research·L Gray
Jan 16, 2009·Psychonomic Bulletin & Review·Susan M Schneider, Robert Lickliter
Jan 4, 2013·PloS One·Vanessa C Miller-Sims, Sarah W Bottjer
May 22, 2013·Journal of Neuroimmune Pharmacology : the Official Journal of the Society on NeuroImmune Pharmacology·Landhing M MoranCharles F Mactutus
Mar 27, 2018·Developmental Psychobiology·Cinzia ChiandettiMassimo Turatto

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