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Individual vocal identity may be obscured following colony assembly in captive black-capped chickadees.
Behav Processes
January 2025
Department of Psychology, University of Alberta-, 11455 Saskatchewan Drive, Edmonton, AB, Canada, T6G 2E9; Neuroscience and Mental Health Institute, University of Alberta-, 2-132 Li Ka Shing Centre for Health Research Innovation, Edmonton, Alberta, Canada, T6G 2E1. Electronic address:
Black-capped chickadee (Poecile atricapillus) vocalisations remain plastic throughout their lifespans. Although fledglings employ vocal plasticity to refine their vocalisations through the use of tutor mimicry, adults employ vocal plasticity to create unique population dialects. Vocal convergence is one mechanism by which flockmates' vocalisations become increasingly similar to each other and distinct from the calls of other flocks.
View Article and Find Full Text PDFHoney bees rely on associative stimulus strength after training on an olfactory transitive inference task.
Front Psychol
January 2025
Sorbonne University, CNRS, INSERM, Institute of Biology Paris Seine, Neurosciences Paris Seine, Paris, France.
Transitive inference, the ability to establish hierarchical relationships between stimuli, is typically tested by training with premise pairs (e.g., A + B-, B + C-, C + D-, D + E-), which establishes a stimulus hierarchy (A > B > C > D > E).
View Article and Find Full Text PDFThe extinction burst: Effects of reinforcement magnitude.
J Exp Anal Behav
January 2025
Utah State University, Logan, UT, USA.
The extinction burst is an increase in an operant behavior early in the transition to extinction. A matching-law-based quantitative theory suggests that it results from the elimination of competition from reinforcement-related behavior that accompanies the transition to extinction. This experiment examined the effects of reinforcement magnitude on the extinction burst with rats.
View Article and Find Full Text PDFAssessment of Replicability and Efforts to Refine an Operant Conditioning Procedure for Larval Zebrafish.
Animals (Basel)
December 2024
Department of General Psychology, University of Padova, 35122 Padua, Italy.
The zebrafish model is rapidly advancing numerous areas of basic and translational research, including toxicology, drug discovery, molecular genetics, genomic research, developmental biology, and the study of human diseases (reviewed in [...
View Article and Find Full Text PDFSex and genetic background influence intravenous oxycodone self-administration in the hybrid rat diversity panel.
Front Psychiatry
December 2024
Institute for Behavioral Genetics, University of Colorado Boulder, Boulder, CO, United States.
Opioid Use Disorder (OUD) is an ongoing worldwide public health concern. Genetic factors contribute to multiple OUD-related phenotypes, such as opioid-induced analgesia, initiation of opioid use, and opioid dependence. Here, we present findings from a behavioral phenotyping protocol using male and female rats from 15 genetically diverse inbred strains from the Hybrid Rat Diversity Panel (HRDP).
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