FN Archimer Export Format
PT J
TI Cognitive appraisal in fish: stressor predictability modulates the physiological and neurobehavioural stress response in sea bass
BT 
AF Cerqueira, M.
   Millot, Sandie
   Felix, A.
   Silva, T.
   Oliveira, G. A.
   Oliveira, C. C. V.
   Rey, S.
   MacKenzie, S.
   Oliveira, R.
AS 1:1;2:2;3:3;4:4;5:3,5;6:1;7:6;8:6;9:3,5,7;
FF 1:;2:PDG-RBE-HGS-LRHLR;3:;4:;5:;6:;7:;8:;9:;
C1 Centro de Ciências do Mar (CCMAR), Universidade do Algarve, Faro, Portugal
   Laboratoire Ressources Halieutiques, Ifremer, L'Houmeau, France
   ISPA – Instituto Universitário, Lisbon, Portugal
   SPAROS Lda., Olhão, Portugal
   Instituto Gulbenkian de Ciência, Oeiras, Portugal
   Institute of Aquaculture, University of Stirling, Stirling, UK
   Champalimaud Research, Lisbon, Portugal
C2 UNIV ALGARVE, PORTUGAL
   IFREMER, FRANCE
   ISPA, PORTUGAL
   SPAROS LDA, PORTUGAL
   INSTITUTO GULBENKIAN CIENCIA, PORTUGAL
   UNIV STIRLING, UK
   CHAMPALIMAUD RESEARCH, PORTUGAL
SI LA ROCHELLE
SE PDG-RBE-HGS-LRHLR
IN WOS Ifremer UPR
   copubli-europe
IF 5.349
TC 21
UR https://archimer.ifremer.fr/doc/00615/72688/71691.pdf
LA English
DT Article
DE ;cognitive appraisal;cortisol;immediate early genes;fish welfare;predictability;psychological stress
AB The 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. 
PY 2020
PD MAR
SO Proceedings Of The Royal Society B-biological Sciences
SN 0962-8452
PU The Royal Society
VL 287
IS 1923
UT 000546950500014
DI 10.1098/rspb.2019.2922
ID 72688
ER

EF