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Serotonin blockade delays learning performance in a cooperative fish.
Anim Cogn. 2016 09; 19(5):1027-30.AC

Abstract

Animals use learning and memorizing to gather information that will help them to make ecologically relevant decisions. Neuro-modulatory adjustments enable them to make associations between stimuli and appropriate behavior. A key candidate for the modulation of cooperative behavior is serotonin. Previous research has shown that modulation of the serotonergic system spontaneously affects the behavior of the cleaner wrasse Labroides dimidiatus during interactions with so-called 'client' reef fish. Here, we asked whether shifts in serotonin function affect the cleaners' associative learning abilities when faced with the task to distinguish two artificial clients that differ in their value as a food source. We found that the administration of serotonin 1A receptor antagonist significantly slowed learning speed in comparison with saline treated fish. As reduced serotonergic signaling typically enhances fear, we discuss the possibility that serotonin may affect how cleaners appraise, acquire information and respond to client-derived stimuli via manipulation of the perception of danger.

Authors+Show Affiliations

CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Vairão, Portugal. marta.soares@cibio.up.pt.MARE - Marine and Environmental Sciences Centre, Laboratório Marítimo da Guia, Faculdade de Ciências da Universidade de Lisboa, Av. Nossa Senhora do Cabo, 939, 2750-374, Cascais, Portugal.Institut de Biologie, Eco-Ethologie, Université de Neuchâtel, Neuchâtel, Switzerland.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

27107861

Citation

Soares, Marta C., et al. "Serotonin Blockade Delays Learning Performance in a Cooperative Fish." Animal Cognition, vol. 19, no. 5, 2016, pp. 1027-30.
Soares MC, Paula JR, Bshary R. Serotonin blockade delays learning performance in a cooperative fish. Anim Cogn. 2016;19(5):1027-30.
Soares, M. C., Paula, J. R., & Bshary, R. (2016). Serotonin blockade delays learning performance in a cooperative fish. Animal Cognition, 19(5), 1027-30. https://doi.org/10.1007/s10071-016-0988-z
Soares MC, Paula JR, Bshary R. Serotonin Blockade Delays Learning Performance in a Cooperative Fish. Anim Cogn. 2016;19(5):1027-30. PubMed PMID: 27107861.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Serotonin blockade delays learning performance in a cooperative fish. AU - Soares,Marta C, AU - Paula,José R, AU - Bshary,Redouan, Y1 - 2016/04/23/ PY - 2016/01/19/received PY - 2016/04/13/accepted PY - 2016/04/07/revised PY - 2016/4/25/entrez PY - 2016/4/25/pubmed PY - 2018/1/9/medline KW - Cooperation KW - Learning KW - Serotonin KW - Serotonin 1A receptor KW - WAY 100.635 SP - 1027 EP - 30 JF - Animal cognition JO - Anim Cogn VL - 19 IS - 5 N2 - Animals use learning and memorizing to gather information that will help them to make ecologically relevant decisions. Neuro-modulatory adjustments enable them to make associations between stimuli and appropriate behavior. A key candidate for the modulation of cooperative behavior is serotonin. Previous research has shown that modulation of the serotonergic system spontaneously affects the behavior of the cleaner wrasse Labroides dimidiatus during interactions with so-called 'client' reef fish. Here, we asked whether shifts in serotonin function affect the cleaners' associative learning abilities when faced with the task to distinguish two artificial clients that differ in their value as a food source. We found that the administration of serotonin 1A receptor antagonist significantly slowed learning speed in comparison with saline treated fish. As reduced serotonergic signaling typically enhances fear, we discuss the possibility that serotonin may affect how cleaners appraise, acquire information and respond to client-derived stimuli via manipulation of the perception of danger. SN - 1435-9456 UR - https://www.unboundmedicine.com/medline/citation/27107861/Serotonin_blockade_delays_learning_performance_in_a_cooperative_fish_ L2 - https://dx.doi.org/10.1007/s10071-016-0988-z DB - PRIME DP - Unbound Medicine ER -