Results: 4

Activation of a hypothalamus-habenula circuit by mechanical stimulation inhibits cocaine addiction-like behaviors

Biol. Res; 56 (), 2023
BACKGROUND: Mechanoreceptor activation modulates GABA neuron firing and dopamine (DA) release in the mesolimbic DA system, an area implicated in reward and substance abuse. The lateral habenula (LHb), the lateral hypothalamus (LH), and the mesolimbic DA system are not only reciprocally connected, but als...

Time perception and age

Arq. neuropsiquiatr; 74 (4), 2016
ABSTRACT Our internal clock system is predominantly dopaminergic, but memory is predominantly cholinergic. Here, we examined the common sensibility encapsulated in the statement: “time goes faster as we get older”. Objective To measure a 2 min time interval, counted mentally in subjects of d...

Efecto hipotensor de los agonistas dopaminergicos en la rata
Hipotensive effect of dopaminergic agonists on the rat

La Dopamina, Bromocriptina y Apomorfina producen baja de la presión arterial en la rta, pero se ignora de la presión arterial en la rata, pero se ignora si este fenómeno ocurre en el receptor presináptico de la neurona adrenérgica o en el receptor postsináptico de la musculatura lisa vascular. El p...