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Cognitive appraisal in fish: stressor predictability modulates the physiological and neurobehavioural stress response in sea bass

2020Journal article Open Access
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dc.contributor.authorCerqueira, Marco
dc.contributor.authorMillot, S.
dc.contributor.authorFelix, A.
dc.contributor.authorSilva, T.
dc.contributor.authorOliveira, G. A.
dc.contributor.authorOliveira, Catarina
dc.contributor.authorRey, S.
dc.contributor.authorMacKenzie, S.
dc.contributor.authorOliveira, R.
dc.date.accessioned2020-09-16T10:32:55Z
dc.date.available2020-09-16T10:32:55Z
dc.date.issued2020
dc.description.abstractThe role of cognitive factors in triggering the stress response is well established in humans and mammals (aka cognitive appraisal theory) but very seldom studied in other vertebrate taxa. Predictability is a key factor of the cognitive evaluation of stimuli. In this study, we tested the effects of stressor predictability on behavioral, physiological and neuromolecular responses in the European sea bass (Dicentrarchus labrax). Groups of four fish were exposed to a predictable (signalled) or unpredictable (unsignalled) stressor. Stressor predictability elicited a lower behavioural response and reduced cortisol levels. Using the expression of immediate early genes (c-fos, egr-1, bdnf and npas4) as markers of neuronal activity, we monitored the activity of three sea bass brain regions known to be implicated in stressor appraisal: the dorsomedian telencephalon, Dm (putative homologue of the pallial amygdala); and the dorsal (Dld) and ventral (Dlv) subareas of the dorsolateral telencephalon (putative homologue of the hippocampus). The activity of both the Dm and Dlv significantly responded to stressor predictability, suggesting an evolutionarily conserved role of these two brain regions in information processing related to stressor appraisal. These results indicate that stressor predictability plays a key role in the activation of the stress response in a teleost fish, hence highlighting the role of cognitive processes in fish stress.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1098/rspb.2019.2922pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.1/14726
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAnimalspt_PT
dc.subjectBasspt_PT
dc.subjectCognitionpt_PT
dc.subjectStresspt_PT
dc.subjectStresspt_PT
dc.subjectPsychologicalpt_PT
dc.titleCognitive appraisal in fish: stressor predictability modulates the physiological and neurobehavioural stress response in sea basspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue1923pt_PT
oaire.citation.startPage20192922pt_PT
oaire.citation.titleProceedings of the Royal Society B: Biological Sciencespt_PT
oaire.citation.volume287pt_PT
person.familyNameCerqueira
person.familyNameOliveira
person.givenNameMarco
person.givenNameCatarina
person.identifier.ciencia-id4F1E-16FC-00D8
person.identifier.ciencia-id0816-30C5-51AC
person.identifier.orcid0000-0001-7237-5053
person.identifier.orcid0000-0002-6679-761X
person.identifier.scopus-author-id35433190500
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication468ec69f-f93b-4db1-970b-1009035a2157
relation.isAuthorOfPublication3ac5841f-3b4e-4ad1-94f7-a5436fb8cd59
relation.isAuthorOfPublication.latestForDiscovery3ac5841f-3b4e-4ad1-94f7-a5436fb8cd59

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