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The diversity of memory phenomena argues against a single place or anatomical structure for memory in the nervous system. Moreover, molecular mechanisms of information storage and synaptic transmission seem insufficient to support contextual recall and other very complex human memory processes....
Impaired processing of facial information is one of the broad ranges of cognitive deficits seen in patients with schizophrenia. This study aimed to elucidate the differences in brain activities involved in the process of facial working memory (images of neutral faces as mnemonic content) between...
The effects of tramadol on repetitively elicited action potentials were studied in rat sciatic nerve, using the sucrose gap method. Tramadol's local anesthetic-like effects were compared with lidocaine and benzocaine at single or 10, 40, and 100 Hz stimulations. Tramadol and lidocaine both...
Intravenous adenosine in-vivo was shown to potentiate the effects of non-depolarizing neuromuscular blocking agents. This study aimed to determine whether adenosine A1-receptors mediated this potentiation. The authors investigated the effects of intravenous adenosine, N6-cyclopentyladenosine,...
The authors investigated the effects of fluvoxamine on neurochemical changes in the hippocampus elicited by isolation housing and novelty stress. Male F344 rats (11 w) were housed one per cage for four weeks. On each day of the last week (7 days) they were s.c. injected with fluvoxamine (20...
Previous studies have shown that there exists a cycle of NREM (non-rapid eye movement)–REM (rapid eye movement) during normal human sleep, and heart rate variability (HRV) has a close relationship to sleep stages and sleep cycle. This article reports the relationship between the...
The authors investigated the effects of ischemia and reperfusion on the N-methyl-D-aspartate receptor (NMDAR) subunits 2A and 2B concentration in rat hippocampus. At the protein level, significant increase in the amounts of NMDAR 2A and NMIDAR 2B in the rat hippocampus was observed at 1 h after...
The purpose of this study was to analyze the possible morphological recovery of the granule cells in the olfactory bulb as a consequence of oxidative stress after an acute ozone exposure. Rats were divided in two groups: Control (air exposed) and experimental group, exposed 4 h, to 1 ppm ozone...
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