habenula


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habenula

[hə′ben·yə·lə]
(anatomy)
Stalk of the pineal body.
A ribbonlike structure.
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Increasing the activity of this region, called the habenula, led to social problems in rodents, whereas decreasing activity of the region prevented social problems.
A primary region implicated in circadian rhythm regulation and sleep homeostasis is the habenula (Hb).
Synaptic potentiation onto habenula neurons in the learned helplessness model of depression," Nature, vol.
Metamorphic pitx2 expression in the left habenula correlated with lateralization of eye-sidedness in flounder.
This phenomenon, labeled "the disappointment circuit," occurs in an evolutionarily ancient part of the brain known as the lateral habenula.
Specifically, in experiments with rodents, UC San Diego researchers discovered that neurons feeding into a small region above the thalamus known as the lateral habenula (LHb) secrete both a common excitatory neurotransmitter, glutamate, and its opposite, the inhibitory neurotransmitter GABA.
Washington, July 29 ( ANI ): A recent study has identified the half-pea-sized human brain portion called habenula, which tracks negative expectations like painful electric shocks and shows how bad things could get.
El autor hallo que la exposicion a los ambientes novedosos aumento la expresion de C-Fos en la corteza infralimbica, cingulada anterior, retrospenial, el hipocampo, la habenula lateral y el nucleo paraventricular del talamo.
Deep brain stimulation of the lateral habenula in treatment resistant major depression.
But like tourists exploring a strange city without a GPS map, scientists don't know how all the neural neighborhoods are connected and occasionally encounter surprising enclaves--such as a place in the brain called the lateral habenula.
O territorio vascular da arteria cerebral caudal em graxaim-do-campo compreendeu as areas adjacentes ao percurso desse vaso sobre a superficie ventrolateral do pedunculo cerebral, o terco caudal do lobo piriforme, o coliculo rostral, a parte rostral do coliculo caudal, o corpo pineal, a estria medular, a habenula, a superficie dorsal do talamo, os corpos geniculados medial e lateral, o hipocampo, o giro para-hipocampal, os plexos corioides do terceiro ventriculo e do ventriculo lateral, o esplenio do corpo caloso, o terco caudal da face medial do hemisferio cerebral e o bordo limitante da face convexa do hemisferio cerebral em seu polo caudal.
Hypothalamic, dorsal raphe and external electrical stimulation modulate noxious evoked responses of habenula neurons.