Brief exposure to sensory cues elicits stimulus-nonspecific general sensitization in an insect.

The effect of repeated exposure to sensory stimuli, with or without reward is well known to induce stimulus-specific modifications of behaviour, described as different forms of learning. In recent studies we showed that a brief single pre-exposure to the female-produced sex pheromone or even a preda...

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Autores principales:	Sebastian Minoli, Isabella Kauer, Violaine Colson, Virginie Party, Michel Renou, Peter Anderson, Christophe Gadenne, Frédéric Marion-Poll, Sylvia Anton
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/14dcc33c5779492fa5e0250ac8ce7bcb
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spelling	oai:doaj.org-article:14dcc33c5779492fa5e0250ac8ce7bcb2021-11-18T07:24:22ZBrief exposure to sensory cues elicits stimulus-nonspecific general sensitization in an insect.1932-620310.1371/journal.pone.0034141https://doaj.org/article/14dcc33c5779492fa5e0250ac8ce7bcb2012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22457821/?tool=EBIhttps://doaj.org/toc/1932-6203The effect of repeated exposure to sensory stimuli, with or without reward is well known to induce stimulus-specific modifications of behaviour, described as different forms of learning. In recent studies we showed that a brief single pre-exposure to the female-produced sex pheromone or even a predator sound can increase the behavioural and central nervous responses to this pheromone in males of the noctuid moth Spodoptera littoralis. To investigate if this increase in sensitivity might be restricted to the pheromone system or is a form of general sensitization, we studied here if a brief pre-exposure to stimuli of different modalities can reciprocally change behavioural and physiological responses to olfactory and gustatory stimuli. Olfactory and gustatory pre-exposure and subsequent behavioural tests were carried out to reveal possible intra- and cross-modal effects. Attraction to pheromone, monitored with a locomotion compensator, increased after exposure to olfactory and gustatory stimuli. Behavioural responses to sucrose, investigated using the proboscis extension reflex, increased equally after pre-exposure to olfactory and gustatory cues. Pheromone-specific neurons in the brain and antennal gustatory neurons did, however, not change their sensitivity after sucrose exposure. The observed intra- and reciprocal cross-modal effects of pre-exposure may represent a new form of stimulus-nonspecific general sensitization originating from modifications at higher sensory processing levels.Sebastian MinoliIsabella KauerViolaine ColsonVirginie PartyMichel RenouPeter AndersonChristophe GadenneFrédéric Marion-PollSylvia AntonPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 3, p e34141 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sebastian Minoli Isabella Kauer Violaine Colson Virginie Party Michel Renou Peter Anderson Christophe Gadenne Frédéric Marion-Poll Sylvia Anton Brief exposure to sensory cues elicits stimulus-nonspecific general sensitization in an insect.
description	The effect of repeated exposure to sensory stimuli, with or without reward is well known to induce stimulus-specific modifications of behaviour, described as different forms of learning. In recent studies we showed that a brief single pre-exposure to the female-produced sex pheromone or even a predator sound can increase the behavioural and central nervous responses to this pheromone in males of the noctuid moth Spodoptera littoralis. To investigate if this increase in sensitivity might be restricted to the pheromone system or is a form of general sensitization, we studied here if a brief pre-exposure to stimuli of different modalities can reciprocally change behavioural and physiological responses to olfactory and gustatory stimuli. Olfactory and gustatory pre-exposure and subsequent behavioural tests were carried out to reveal possible intra- and cross-modal effects. Attraction to pheromone, monitored with a locomotion compensator, increased after exposure to olfactory and gustatory stimuli. Behavioural responses to sucrose, investigated using the proboscis extension reflex, increased equally after pre-exposure to olfactory and gustatory cues. Pheromone-specific neurons in the brain and antennal gustatory neurons did, however, not change their sensitivity after sucrose exposure. The observed intra- and reciprocal cross-modal effects of pre-exposure may represent a new form of stimulus-nonspecific general sensitization originating from modifications at higher sensory processing levels.
format	article
author	Sebastian Minoli Isabella Kauer Violaine Colson Virginie Party Michel Renou Peter Anderson Christophe Gadenne Frédéric Marion-Poll Sylvia Anton
author_facet	Sebastian Minoli Isabella Kauer Violaine Colson Virginie Party Michel Renou Peter Anderson Christophe Gadenne Frédéric Marion-Poll Sylvia Anton
author_sort	Sebastian Minoli
title	Brief exposure to sensory cues elicits stimulus-nonspecific general sensitization in an insect.
title_short	Brief exposure to sensory cues elicits stimulus-nonspecific general sensitization in an insect.
title_full	Brief exposure to sensory cues elicits stimulus-nonspecific general sensitization in an insect.
title_fullStr	Brief exposure to sensory cues elicits stimulus-nonspecific general sensitization in an insect.
title_full_unstemmed	Brief exposure to sensory cues elicits stimulus-nonspecific general sensitization in an insect.
title_sort	brief exposure to sensory cues elicits stimulus-nonspecific general sensitization in an insect.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/14dcc33c5779492fa5e0250ac8ce7bcb
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Brief exposure to sensory cues elicits stimulus-nonspecific general sensitization in an insect.

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