Journal
LEARNING & MEMORY
Volume 19, Issue 4, Pages 170-177Publisher
COLD SPRING HARBOR LAB PRESS, PUBLICATIONS DEPT
DOI: 10.1101/lm.025668.112
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Funding
- Department of Molecular and Cellular Biology, Harvard University
- Bial Foundation [115/04]
- US National Institutes of Health [R01 EY014429-01A2]
- Fundacao para a Ciencia e Tecnologia [SFRH/BD/11767/2003]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/11767/2003] Funding Source: FCT
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The performance of developing zebrafish in both classical and operant conditioning assays was tested with a particular focus on the emergence of these learning behaviors during development. Strategically positioned visual cues paired with electro-shocks were used in two fully automated assays to investigate both learning paradigms. These allow the evaluation of the behavioral performance of zebrafish continuously throughout development, from larva to adult. We found that learning improves throughout development, starts reliably around week 3, and reaches adult performance levels at week 6. Adult fish quickly learned to perform perfectly, and the expression of the learned behavior is manifestly controlled by vision. The memory is behaviorally expressed in adults for at least 6 h and retrievable for at least 12 h.
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