Acupuncture affects autonomic and endocrine but not behavioural responses induced by startle in horses

Startle is a fast response elicited by sudden acoustic, tactile, or visual stimuli in a variety of animals and in humans. As the magnitude of startle response can be modulated by external and internal variables, it can be a useful tool to study reaction to stress. Our study evaluated whether acupunc...

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Detalles Bibliográficos
Autores principales:	Villas Boas, Julia Dias, Martins Dias, Daniel Penteado, Trigo, Pablo Ignacio, dos Santos Almeida, Norma Aparecida, de Almeida, Fernando Queiroz, de Madeiros, Magda Alves
Formato:	Articulo
Lenguaje:	Inglés
Publicado:	2015
Materias:	Ciencias Veterinarias Ciencias Agrarias Animal behavior Alternative medicine Welfare Equine
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/104294 http://hdl.handle.net/11336/11534
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

id	I19-R120-10915-104294
record_format	dspace
institution	Universidad Nacional de La Plata
institution_str	I-19
repository_str	R-120
collection	SEDICI (UNLP)
language	Inglés
topic	Ciencias Veterinarias Ciencias Agrarias Animal behavior Alternative medicine Welfare Equine
spellingShingle	Ciencias Veterinarias Ciencias Agrarias Animal behavior Alternative medicine Welfare Equine Villas Boas, Julia Dias Martins Dias, Daniel Penteado Trigo, Pablo Ignacio dos Santos Almeida, Norma Aparecida de Almeida, Fernando Queiroz de Madeiros, Magda Alves Acupuncture affects autonomic and endocrine but not behavioural responses induced by startle in horses
topic_facet	Ciencias Veterinarias Ciencias Agrarias Animal behavior Alternative medicine Welfare Equine
description	Startle is a fast response elicited by sudden acoustic, tactile, or visual stimuli in a variety of animals and in humans. As the magnitude of startle response can be modulated by external and internal variables, it can be a useful tool to study reaction to stress. Our study evaluated whether acupuncture can change cardiac autonomic modulation (heart rate variability); and behavioural (reactivity) and endocrine (cortisol levels) parameters in response to startle. Brazilian Sport horses (n = 6) were subjected to a model of startle in which an umbrella was abruptly opened near the horse. Before startle, the horses were subjected to a 20-minute session of acupuncture in acupoints GV1, HT7, GV20, and BL52 (ACUP) and in nonpoints (NP) or left undisturbed (CTL). For analysis of the heart rate variability, ultrashort-term (64 s) heart rate series were interpolated (4 Hz) and divided into 256-point segments and the spectra integrated into low (LF; 0.01–0.07 Hz; index of sympathetic modulation) and high (HF; 0.07–0.50 Hz; index of parasympathetic modulation) frequency bands. Acupuncture (ACUP) changed the sympathovagal balance with a shift towards parasympathetic modulation, reducing the prompt startle-induced increase in LF/HF and reducing cortisol levels 30 min after startle. However, acupuncture elicited no changes in behavioural parameters.
format	Articulo Articulo
author	Villas Boas, Julia Dias Martins Dias, Daniel Penteado Trigo, Pablo Ignacio dos Santos Almeida, Norma Aparecida de Almeida, Fernando Queiroz de Madeiros, Magda Alves
author_facet	Villas Boas, Julia Dias Martins Dias, Daniel Penteado Trigo, Pablo Ignacio dos Santos Almeida, Norma Aparecida de Almeida, Fernando Queiroz de Madeiros, Magda Alves
author_sort	Villas Boas, Julia Dias
title	Acupuncture affects autonomic and endocrine but not behavioural responses induced by startle in horses
title_short	Acupuncture affects autonomic and endocrine but not behavioural responses induced by startle in horses
title_full	Acupuncture affects autonomic and endocrine but not behavioural responses induced by startle in horses
title_fullStr	Acupuncture affects autonomic and endocrine but not behavioural responses induced by startle in horses
title_full_unstemmed	Acupuncture affects autonomic and endocrine but not behavioural responses induced by startle in horses
title_sort	acupuncture affects autonomic and endocrine but not behavioural responses induced by startle in horses
publishDate	2015
url	http://sedici.unlp.edu.ar/handle/10915/104294 http://hdl.handle.net/11336/11534
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bdutipo_str	Repositorios
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Acupuncture affects autonomic and endocrine but not behavioural responses induced by startle in horses

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