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Thyroid Hormone Sensitizes the Imprinting-Associated Induction of Biological Motion Preference in Domestic Chicks

Filial imprinting is associated with induction of predisposed preference to animations that bear visual features of Johansson's biological motion (BM), and the induction is limited to a few days after hatching. As thyroid hormone (3,5,3′-triiodothyronine, T(3)) plays a critical role in determin...

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Autores principales: Miura, Momoko, Aoki, Naoya, Yamaguchi, Shinji, Homma, Koichi J., Matsushima, Toshiya
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6305540/
https://www.ncbi.nlm.nih.gov/pubmed/30618782
http://dx.doi.org/10.3389/fphys.2018.01740
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author Miura, Momoko
Aoki, Naoya
Yamaguchi, Shinji
Homma, Koichi J.
Matsushima, Toshiya
author_facet Miura, Momoko
Aoki, Naoya
Yamaguchi, Shinji
Homma, Koichi J.
Matsushima, Toshiya
author_sort Miura, Momoko
collection PubMed
description Filial imprinting is associated with induction of predisposed preference to animations that bear visual features of Johansson's biological motion (BM), and the induction is limited to a few days after hatching. As thyroid hormone (3,5,3′-triiodothyronine, T(3)) plays a critical role in determining the sensitive period of imprinting, we examined if exogenously applied T(3) (or iopanoic acid, IOP; a selective inhibitor for converting enzymes) could also sensitize (or desensitize) the BM induction. Chicks were trained by using a non-BM stimulus (rotating red toy) according to a conventional imprinting procedure. Trained chicks were tested for preference to a point-light BM animation (walking chick) over a non-BM animation (linear motion), and for the preference for the familiarized stimulus (red toy) over an unfamiliar one (yellow toy). In 1-day chicks, those injected with IOP showed significantly lower scores than controls on both BM and imprinting tests. In 4-days chicks, those injected with T(3) showed higher scores than control, but the difference in BM score was not significant. Imprinting and the accompanying T(3) surge may be necessary for the predisposed BM preference to appear in 1-day chicks. Even after the conventional sensitive period is over, exogenous T(3) can partly re-sensitize the BM preference as it does imprinting.
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spelling pubmed-63055402019-01-07 Thyroid Hormone Sensitizes the Imprinting-Associated Induction of Biological Motion Preference in Domestic Chicks Miura, Momoko Aoki, Naoya Yamaguchi, Shinji Homma, Koichi J. Matsushima, Toshiya Front Physiol Physiology Filial imprinting is associated with induction of predisposed preference to animations that bear visual features of Johansson's biological motion (BM), and the induction is limited to a few days after hatching. As thyroid hormone (3,5,3′-triiodothyronine, T(3)) plays a critical role in determining the sensitive period of imprinting, we examined if exogenously applied T(3) (or iopanoic acid, IOP; a selective inhibitor for converting enzymes) could also sensitize (or desensitize) the BM induction. Chicks were trained by using a non-BM stimulus (rotating red toy) according to a conventional imprinting procedure. Trained chicks were tested for preference to a point-light BM animation (walking chick) over a non-BM animation (linear motion), and for the preference for the familiarized stimulus (red toy) over an unfamiliar one (yellow toy). In 1-day chicks, those injected with IOP showed significantly lower scores than controls on both BM and imprinting tests. In 4-days chicks, those injected with T(3) showed higher scores than control, but the difference in BM score was not significant. Imprinting and the accompanying T(3) surge may be necessary for the predisposed BM preference to appear in 1-day chicks. Even after the conventional sensitive period is over, exogenous T(3) can partly re-sensitize the BM preference as it does imprinting. Frontiers Media S.A. 2018-12-18 /pmc/articles/PMC6305540/ /pubmed/30618782 http://dx.doi.org/10.3389/fphys.2018.01740 Text en Copyright © 2018 Miura, Aoki, Yamaguchi, Homma and Matsushima. http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Physiology
Miura, Momoko
Aoki, Naoya
Yamaguchi, Shinji
Homma, Koichi J.
Matsushima, Toshiya
Thyroid Hormone Sensitizes the Imprinting-Associated Induction of Biological Motion Preference in Domestic Chicks
title Thyroid Hormone Sensitizes the Imprinting-Associated Induction of Biological Motion Preference in Domestic Chicks
title_full Thyroid Hormone Sensitizes the Imprinting-Associated Induction of Biological Motion Preference in Domestic Chicks
title_fullStr Thyroid Hormone Sensitizes the Imprinting-Associated Induction of Biological Motion Preference in Domestic Chicks
title_full_unstemmed Thyroid Hormone Sensitizes the Imprinting-Associated Induction of Biological Motion Preference in Domestic Chicks
title_short Thyroid Hormone Sensitizes the Imprinting-Associated Induction of Biological Motion Preference in Domestic Chicks
title_sort thyroid hormone sensitizes the imprinting-associated induction of biological motion preference in domestic chicks
topic Physiology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6305540/
https://www.ncbi.nlm.nih.gov/pubmed/30618782
http://dx.doi.org/10.3389/fphys.2018.01740
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