Buscar
Mostrando ítems 41-50 de 66
Interaction between stress and addiction: Contributions from Latin-American neuroscience
Drug addiction is a chronic neuropsychiatric disorder that escalates from an initial exposure to drugs of abuse, such as cocaine, cannabis, or heroin, to compulsive drug-seeking and intake, reduced ability to inhibit ...
Activation of lateral parabrachial afferent pathways and endocrine responses during sodium appetite regulation
(ACADEMIC PRESS INC ELSEVIER SCIENCE, 2010)
Modulation of salt appetite involves interactions between the circumventricular organs (CVOs) receptive areas and inhibitory hindbrain serotonergic circuits. Recent studies provide support to the idea that the serotonin ...
Angiotensin II AT1 receptors mediate neuronal sensitization and sustained blood pressure response induced by a single injection of amphetamine
(Pergamon-Elsevier Science Ltd, 2017-01)
A single exposure to amphetamine induces neurochemical sensitization in striatal areas. The neuropeptide angiotensin II, through AT1 receptors (AT1-R) activation, is involved in these responses. However, amphetamineinduced ...
La empatía en la primera infancia
(Universidad de Palermo. Facultad de Ciencias Sociales, 2016-12)
A lo largo de la historia del concepto de empatía se han desarrollado dosposturas para poder explicarla. Por un lado encontramos autores que se posicionan desde una visión cognitiva y, por otro, desde una mirada afectiva. ...
Body Sodium Overload Modulates the Firing Rate and Fos Immunoreactivity of Serotonergic Cells of Dorsal Raphe Nucleus
(Public Library of Science, 2013-09)
In order to determine whether serotonergic (5HT) dorsal raphe nucleus (DRN) cells are involved in body sodium status regulation, the effect of a s.c. infusion of either 2 M or 0.15 M NaCl on 5HT DRN neuron firing was studied ...
Morphine withdrawal syndrome and its prevention with baclofen: Autoradiographic study of μ‐opioid receptors in prepubertal male and female mice
(Wiley-liss, Div John Wiley & Sons Inc, 2006-07)
Although the expression of the morphine (MOR) withdrawal syndrome is more marked in male mice than in females, we have demonstrated that the GABAB agonist baclofen (BAC) is able to attenuate MOR withdrawal signs in either ...
Efeitos da Sulpirida e do Haloperidol na expressão e extinção do medo condicionado à luz e ao contexto em ratos
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Psicologia - PPGPsiCâmpus São Carlos, 2019-08-28)
Evidence suggests that dopamine (DA) is one of the most active neuromodulators in mechanisms underlying states of fear and anxiety. More specifically, during the exposure to aversive conditioned stimuli, there is an increase ...
Efecto de la activación adrenérgica insular en la neofobia gustatoria
(Universidad Andrés Bello, 2016)
La respuesta frente al estrés corresponde a la capacidad de un organismo de
responder frente a un estímulo estresante y volver a su homeostasis. Esta respuesta es
iniciada por la respuesta autonómica, mediada principalmente ...
Adaptaciones de sistemas emocionales cerebrales causadas por la exposición crónica a nicotina y su retirada prolongada
(Bogotá - Ciencias Humanas - Maestría en PsicologíaDepartamento de PsicologíaUniversidad Nacional de Colombia - Sede Bogotá, 2020-12-09)
Multiple learning and memory systems interact to produce adapted responses to environmental demands. However, these interactions can result in abnormal response patterns when events that control brain organization favor ...
Efectos farmacológicos y comportamentales de la administración crónica de nicotina en una tarea de automoldeamiento
(Universidad Nacional de ColombiaBogotá - Ciencias Humanas - Maestría en PsicologíaDepartamento de PsicologíaFacultad de Ciencias HumanasBogotá, ColombiaUniversidad Nacional de Colombia - Sede Bogotá, 2022-06-20)
La investigación actual ha destacado la importancia del aprendizaje asociativo en la adicción. Se ha mostrado que por medio de procedimientos pavlovianos las claves asociadas a un estímulo apetitivo como una droga pueden ...