2013
DOI: 10.1016/j.neuropharm.2012.10.024
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Serotonergic neural links from the dorsal raphe nucleus modulate defensive behaviours organised by the dorsomedial hypothalamus and the elaboration of fear-induced antinociception via locus coeruleus pathways

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Cited by 43 publications
(37 citation statements)
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“…The dorsomedial hypothalamus (DMH) is one of the hypothalamic nuclei that plays a critical role in organizing autonomic, reproductive and fear-induced behavioral responses [17,18]. The microinjection of bicuculline (a GABA A receptor antagonist) in the DMH caused panic attack-like behaviors in laboratory animals, such as tachycardia, tachypnea, increase in arterial blood pressure and anxiety [19] and escape behaviors [20,21]. With this view, the chronic infusion of l-allylglycine (a GABA synthesis inhibitor) by minipumps into the DMH of rats elicited behavioral responses to lactate infusion similar to panic disorders in humans [22].…”
Section: Introductionmentioning
confidence: 99%
“…The dorsomedial hypothalamus (DMH) is one of the hypothalamic nuclei that plays a critical role in organizing autonomic, reproductive and fear-induced behavioral responses [17,18]. The microinjection of bicuculline (a GABA A receptor antagonist) in the DMH caused panic attack-like behaviors in laboratory animals, such as tachycardia, tachypnea, increase in arterial blood pressure and anxiety [19] and escape behaviors [20,21]. With this view, the chronic infusion of l-allylglycine (a GABA synthesis inhibitor) by minipumps into the DMH of rats elicited behavioral responses to lactate infusion similar to panic disorders in humans [22].…”
Section: Introductionmentioning
confidence: 99%
“…Dessa forma, o hipotálamo seria a estrutura responsável por integrar essas respostas mais elaboradas em relação àquelas organizadas pelas estruturas mesencefálicas, tais respostas caracterizam-se pelo aumento, embora menos intenso, da atividade locomotora intercalada por comportamentos de alerta e tentativas de fuga coordenada e direcionada para um local seguro (BIAGIONI et al, 2013;SILVA;COIMBRA, 2012;BRANDÃO et al, 1986;SCHMITT;KARLI, 1984;de FREITAS et al, 2013a,b;FREITAS et al, 2009). …”
Section: Substratos Neurais De Defesaunclassified
“…Tais comportamentos são caracterizados por fuga orientada (corridas moderadas, com ou sem saltos) e fuga retrógrada (rápidos movimentos defensivos de cabeça e de patas para trás) além de aumento do número de levantamentos e da atividade locomotora. Além disso, foram observadas alterações nos limiares nociceptivos após essas respostas comportamentais, caracterizando a antinocicepção induzida pelo medo inato (BIAGIONI et al, 2013;SILVA;COIMBRA, 2012;de FREITAS et al, 2013a,b;FREITAS et al, 2009). …”
Section: Hipotálamo E Defesaunclassified
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