Search Results - "Medina, J. H"

Attenuating the persistence of fear memory storage using a single dose of antidepressant by Slipczuk, L, Tomaiuolo, M, Garagoli, F, Weisstaub, N, Katche, C, Bekinschtein, P, Medina, J H

Get full text

On the participation of hippocampal PKC in acquisition, consolidation and reconsolidation of spatial memory by Bonini, J.S, Da Silva, W.C, Bevilaqua, L.R.M, Medina, J.H, Izquierdo, I, Cammarota, M

“…Abstract Memory consolidation involves a sequence of temporally defined and highly regulated changes in the activation state of several signaling pathways that…”
Get full text

Memory Formation: The Sequence of Biochemical Events in the Hippocampus and Its Connection to Activity in Other Brain Structures by Izquierdo, Ivan, Medina, Jorge H.

“…Recent data have demonstrated a biochemical sequence of events in the rat hippocampus that is necessary for memory formation of inhibitory avoidance behavior…”
Get full text

Flavonoids and the Central Nervous System: from Forgotten Factors to Potent Anxiolytic Compounds by PALADINI, A. C., MARDER, M., VIOLA, H., WOLFMAN, C., WASOWSKI, C., MEDINA, J. H.

“…The list of activities of plant flavonoids did not include effects on the central nervous system (CNS) up to 1990, when our laboratory described the existence…”
Get full text

Sequential Role of Hippocampus and Amygdala, Entorhinal Cortex and Parietal Cortex in Formation and Retrieval of Memory for Inhibitory Avoidance in Rats by Izquierdo, I., Quillfeldt, J. A., Zanatta, M. S., Quevedo, J., Schaeffer, E., Schmitz, P. K., Medina, J. H.

“…The hippocampus and amygdala, the entorhinal cortex and the parietal cortex participate, in that sequence, both in the formation and in the expression of…”
Get full text

On the participation of hippocampal p38 mitogen-activated protein kinase in extinction and reacquisition of inhibitory avoidance memory by Rossato, J.I., Bevilaqua, L.R.M., Lima, R.H., Medina, J.H., Izquierdo, I., Cammarota, M.

“…Inhibitory avoidance (IA) learning relies on the formation of an association between stepping down from a platform present in a certain context (conditioned…”
Get full text

Role of hippocampal signaling pathways in long-term memory formation of a nonassociative learning task in the rat by Vianna, M R, Alonso, M, Viola, H, Quevedo, J, de Paris, F, Furman, M, de Stein, M L, Medina, J H, Izquierdo, I

“…Long-term habituation to a novel environment is one of the most elementary forms of nonassociative learning. Here we studied the effect of pre- or posttraining…”
Get full text

Memory consolidation induces N-methyl-D-aspartic acid-receptor- and Ca2+/calmodulin-dependent protein kinase II-dependent modifications in α-amino-3-hydroxy-5-methylisoxazole-4-propionic acid receptor properties by BEVILAQUA, L. R, MEDINA, J. H, IZQUIERDO, I, CAMMAROTA, M

“…The N-methyl-D-aspartic acid (NMDA) receptor-dependent activation of Ca2+/calmodulin-dependent protein kinase II (CaMKII) is necessary for induction of the…”
Get full text

Learning twice is different from learning once and from learning more by Cammarota, M., Bevilaqua, L.R.M., Köhler, C., Medina, J.H., Izquierdo, Iván

“…The rat hippocampus plays a crucial role in the consolidation of a variety of memories, including that for a one trial inhibitory avoidance learning task in…”
Get full text

Participation of hippocampal metabotropic glutamate receptors, protein kinase A and mitogen-activated protein kinases in memory retrieval by Szapiro, G, Izquierdo, L.A, Alonso, M, Barros, D, Paratcha, G, Ardenghi, P, Pereira, P, Medina, J.H, Izquierdo, I

“…The ability to recall past events is a major determinant of survival strategies in all species and is of paramount importance in determining our uniqueness as…”
Get full text

Separate mechanisms for short- and long-term memory by Izquierdo, Iván, Medina, Jorge H., Vianna, Mônica R.M., Izquierdo, Luciana A., Barros, Daniela M.

“…It has been assumed for over a century that short-term memory (STM) processes are in charge of cognition while long-term memory (LTM) is being formed, a…”
Get full text

Apigenin, a component of Matricaria recutita flowers, is a central benzodiazepine receptors-ligand with anxiolytic effects by Viola, H, Wasowski, C, Levi de Stein, M, Wolfman, C, Silveira, R, Dajas, F, Medina, J H, Paladini, A C

“…The dried flower heads of Matricaria recutita L. (Asteraceae) are used in folk medicine to prepare a spasmolytic and sedative tea. Our fractionation of the…”
Get more information

Anxiolytic Natural and Synthetic Flavonoid Ligands of the Central Benzodiazepine Receptor Have No Effect on Memory Tasks in Rats by Salgueiro, J.B, Ardenghi, P, Dias, M, Ferreira, M.B.C, Izquierdo, I, Medina, J.H

“…The naturally occurring flavonoids, chrysin (5,7-dihydroxyflavone) and apigenin (5,7,4′-trihydroxyflavone), and the synthetic compound, 6,3′-dinitroflavone…”
Get full text

Different hippocampal molecular requirements for short- and long-term retrieval of one-trial avoidance learning by Izquierdo, Luciana A., Barros, Daniela M., Ardenghi, Patricia G., Pereira, Patricia, Rodrigues, Cleverson, Choi, Humberto, Medina, Jorge H., Izquierdo, Iván

“…Rats were trained in one-trial step-down inhibitory avoidance and tested either 3 h or 31 days later. Ten minutes prior to the retention test, through…”
Get full text

Phosphorylated cAMP Response Element-Binding Protein as a Molecular Marker of Memory Processing in Rat Hippocampus: Effect of Novelty by Viola, Haydee, Furman, Melina, Izquierdo, Luciana A. I, Alonso, Mariana, Barros, Daniela M, de Souza, Marcia M, Izquierdo, Ivan, Medina, Jorge H

“…From mollusks to mammals the activation of cAMP response element-binding protein (CREB) appears to be an important step in the formation of long-term memory…”
Get full text

Novelty causes time-dependent retrograde amnesia for one-trial avoidance in rats through NMDA receptor- and CaMKII-dependent mechanisms in the hippocampus by Izquierdo, I., Schröder, N., Netto, C. A., Medina, J. H.

“…Exposure to a novel environment (an open field) for 2 min, 1 h after one‐trial inhibitory avoidance training, hindered memory of the avoidance task measured 24…”
Get full text

Possible anxiolytic effects of chrysin, a central benzodiazepine receptor ligand isolated from Passiflora coerulea by Wolfman, C, Viola, H, Paladini, A, Dajas, F, Medina, J H

“…The pharmacological effects of 5,7-dihydroxyflavone (chrysin), a naturally occurring monoflavonoid that displaces [3H]flunitrazepam binding to the central…”
Get more information

Molecular pharmacological dissection of short- and long-term memory by Izquierdo, Luciana A, Barros, Daniela M, Vianna, Monica R M, Coitinho, Adriana, deDavid e Silva, Tiago, Choi, Humberto, Moletta, Beatriz, Medina, Jorge H, Izquierdo, Ivan

“…1. It has been discussed for over 100 years whether short-term memory (STM) is separate from, or just an early phase of, long-term memory (LTM). The only way…”
Get full text

Correlation between the Pharmacology of Long-Term Potentiation and the Pharmacology of Memory by Izquierdo, I., Medina, J.H.

“…The pharmacology of memory has been recently studied by the infusion of drugs into the hippocampus (HIP), amygdala (AMY), medial septum (MS), and entorhinal…”
Get full text

Overview-flavonoids : A new family of benzodiazepine receptor ligands by MEDINA, J. H, VIOLA, H, WOLFMAN, C, MARDER, M, WASOWSKI, C, CALVO, D, PALADINI, A. C

“…Benzodiazepines (BDZs) are the most widely prescribed class of psychoactive drugs in current therapeutic use, despite the important unwanted side-effects that…”
Get full text