Periaqueductal gray and emotions: the complexity of the problem and the light at the end of the tunnel, the magnetic resonance imaging

The periaqueductal gray (PAG) is less referred in relationship with emotions than other parts of the brain (e.g. cortex, thalamus, amygdala), most probably because of the difficulty to reach and manipulate this small and deeply lying structure. After defining how to evaluate emotions, we have review...

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Autores principales:	Zelena Dora, Menant Ophelie, Andersson Frederic, Chaillou Elodie
Formato:	article
Lenguaje:	EN
Publicado:	Sciendo 2018
Materias:	pag fear pain in vivo magnetic resonance imaging Diseases of the endocrine glands. Clinical endocrinology RC648-665
Acceso en línea:	https://doaj.org/article/74b65a565fdd48bb989f364b3646e286
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spelling	oai:doaj.org-article:74b65a565fdd48bb989f364b3646e2862021-12-02T16:41:14ZPeriaqueductal gray and emotions: the complexity of the problem and the light at the end of the tunnel, the magnetic resonance imaging1336-032910.2478/enr-2018-0027https://doaj.org/article/74b65a565fdd48bb989f364b3646e2862018-10-01T00:00:00Zhttps://doi.org/10.2478/enr-2018-0027https://doaj.org/toc/1336-0329The periaqueductal gray (PAG) is less referred in relationship with emotions than other parts of the brain (e.g. cortex, thalamus, amygdala), most probably because of the difficulty to reach and manipulate this small and deeply lying structure. After defining how to evaluate emotions, we have reviewed the literature and summarized data of the PAG contribution to the feeling of emotions focusing on the behavioral and neurochemical considerations. In humans, emotions can be characterized by three main domains: the physiological changes, the communicative expressions, and the subjective experiences. In animals, the physiological changes can mainly be studied. Indeed, early studies have considered the PAG as an important center of the emotions-related autonomic and motoric processes. However, in vivo imaging have changed our view by highlighting the PAG as a significant player in emotions-related cognitive processes. The PAG lies on the crossroad of networks important in the regulation of emotions and therefore it should not be neglected. In vivo imaging represents a good tool for studying this structure in living organism and may reveal new information about its role beyond its importance in the neurovegetative regulation.Zelena DoraMenant OphelieAndersson FredericChaillou ElodieSciendoarticlepagfearpainin vivomagnetic resonance imagingDiseases of the endocrine glands. Clinical endocrinologyRC648-665ENEndocrine Regulations, Vol 52, Iss 4, Pp 222-238 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	pag fear pain in vivo magnetic resonance imaging Diseases of the endocrine glands. Clinical endocrinology RC648-665
spellingShingle	pag fear pain in vivo magnetic resonance imaging Diseases of the endocrine glands. Clinical endocrinology RC648-665 Zelena Dora Menant Ophelie Andersson Frederic Chaillou Elodie Periaqueductal gray and emotions: the complexity of the problem and the light at the end of the tunnel, the magnetic resonance imaging
description	The periaqueductal gray (PAG) is less referred in relationship with emotions than other parts of the brain (e.g. cortex, thalamus, amygdala), most probably because of the difficulty to reach and manipulate this small and deeply lying structure. After defining how to evaluate emotions, we have reviewed the literature and summarized data of the PAG contribution to the feeling of emotions focusing on the behavioral and neurochemical considerations. In humans, emotions can be characterized by three main domains: the physiological changes, the communicative expressions, and the subjective experiences. In animals, the physiological changes can mainly be studied. Indeed, early studies have considered the PAG as an important center of the emotions-related autonomic and motoric processes. However, in vivo imaging have changed our view by highlighting the PAG as a significant player in emotions-related cognitive processes. The PAG lies on the crossroad of networks important in the regulation of emotions and therefore it should not be neglected. In vivo imaging represents a good tool for studying this structure in living organism and may reveal new information about its role beyond its importance in the neurovegetative regulation.
format	article
author	Zelena Dora Menant Ophelie Andersson Frederic Chaillou Elodie
author_facet	Zelena Dora Menant Ophelie Andersson Frederic Chaillou Elodie
author_sort	Zelena Dora
title	Periaqueductal gray and emotions: the complexity of the problem and the light at the end of the tunnel, the magnetic resonance imaging
title_short	Periaqueductal gray and emotions: the complexity of the problem and the light at the end of the tunnel, the magnetic resonance imaging
title_full	Periaqueductal gray and emotions: the complexity of the problem and the light at the end of the tunnel, the magnetic resonance imaging
title_fullStr	Periaqueductal gray and emotions: the complexity of the problem and the light at the end of the tunnel, the magnetic resonance imaging
title_full_unstemmed	Periaqueductal gray and emotions: the complexity of the problem and the light at the end of the tunnel, the magnetic resonance imaging
title_sort	periaqueductal gray and emotions: the complexity of the problem and the light at the end of the tunnel, the magnetic resonance imaging
publisher	Sciendo
publishDate	2018
url	https://doaj.org/article/74b65a565fdd48bb989f364b3646e286
work_keys_str_mv	AT zelenadora periaqueductalgrayandemotionsthecomplexityoftheproblemandthelightattheendofthetunnelthemagneticresonanceimaging AT menantophelie periaqueductalgrayandemotionsthecomplexityoftheproblemandthelightattheendofthetunnelthemagneticresonanceimaging AT anderssonfrederic periaqueductalgrayandemotionsthecomplexityoftheproblemandthelightattheendofthetunnelthemagneticresonanceimaging AT chaillouelodie periaqueductalgrayandemotionsthecomplexityoftheproblemandthelightattheendofthetunnelthemagneticresonanceimaging
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Periaqueductal gray and emotions: the complexity of the problem and the light at the end of the tunnel, the magnetic resonance imaging

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