| Maternal responsiveness and maternal selectivity in domestic sheep and goats: the two facets of maternal attachment. | |
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MedLine Citation:
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PMID: 17186516 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Sheep and goats rapidly establish an exclusive relationship with their neonate following contact with it during a sensitive period of maternal responsiveness induced by the physiological events occurring at parturition. The data concerning the sensory, physiological, and neurobiological factors involved in the activation of both maternal responsiveness and the establishment of selective nursing indicates that these processes are activated simultaneously by the combined action of two main factors, the prepartum rise in circulating estrogen and the vaginocervical stimulation (VCS) caused by fetus expulsion. On the one hand, these two factors act on a neural network including the main olfactory system (MOB), the medial preoptic area (MPOA), and the paraventricular nucleus of the hypothalamus (PVN) to induce maternal responsiveness towards any neonate. The intracerebral release of oxytocin (OT) from the PVN, and the triggering of olfactory attraction for amniotic fluid (AF) are key elements in this process. On the other hand, VCS at birth also sets the MOB ready to memorize the individual odor of the neonate, through the release of peptides and neurotransmitters (noradrenaline and acetylcholine). In addition to the MOB, the network involved in recognition mainly includes the medial and cortical amygdala. Across consolidation processes, reorganization occurs in the network engaged in lamb recognition. Whether this memorization may be potentiated by other sensory cues is not known. The identification of the chemosensory compounds involved in the attraction for AF and in the recognition of the neonate is important for understanding the mechanisms of maternal attachment. |
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Authors:
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Pascal Poindron; Frédéric Lévy; Matthieu Keller |
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Publication Detail:
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Type: Journal Article; Review |
Journal Detail:
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Title: Developmental psychobiology Volume: 49 ISSN: 0012-1630 ISO Abbreviation: Dev Psychobiol Publication Date: 2007 Jan |
Date Detail:
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Created Date: 2006-12-28 Completed Date: 2007-03-22 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0164074 Medline TA: Dev Psychobiol Country: United States |
Other Details:
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Languages: eng Pagination: 54-70 Citation Subset: IM |
Copyright Information:
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Copyright (c) 2006 Wiley Periodicals, Inc. |
Affiliation:
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Laboratoire de Comportement, Neurobiologie et Adaptation, UMR 6175, INRA/CNRS/Université de Tours/Haras Nationaux, 37380 Nouzilly, France. poindron@tours.inra.fr |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Behavior, Animal* Goats Maternal Behavior* Neurobiology Object Attachment* Parturition / physiology, psychology* Recognition (Psychology) / physiology* Sheep |
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