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Conventional intracellular recordings were used to monitor postsynaptic potentials of basolateral amygdala neurones (BLA) in brain slices comprising the BLA, the entorhinal cortex (EC) and the hippocampus, in which the EC-BLA connections were preserved. St ...
The nature of information stemming from a single neuron and conveyed simultaneously to several hundred target neurons is not known. Triple and quadruple neuron recordings revealed that each synaptic connection established by neocortical pyramidal neurons i ...
Stress-related adrenal steroid hormones modulate brain and cognitive function. Electrophysiological studies, including primed burst potentiation and long-term potentiation, have indicated concentration-dependent inverted U-shape effects of corticosterone i ...
We studied the possible involvement of corticosteroids in the establishment and long-term expression of contextual fear conditioning and questioned whether a corticosteroid action might be dependent upon stimulus intensity at training. Experiments included ...
We analyze a model of navigational map formation based on correlation-based, temporally asymmetric potentiation and depression of synapses between hippocampal place cells. We show that synaptic modification during random exploration of an environment shift ...
A role for corticosterone in the consolidation of contextual fear conditioning has previously been proposed. In this study, physiological evidence was found to support this view. The extent of conditioned fear and the levels of plasma corticosterone in rat ...
Long-term memory formation for a weak passive avoidance task in day-old chicks is facilitated by corticosterone administration. Since (i) glutamatergic systems, through different receptor types, play a key role in learning and memory processes, and (ii) gl ...
Long-term memory formation for a passive avoidance task in day-old chicks, which requires a late phase of glycoprotein fucosylation (5-8 hr posttraining), is dependent on a corticosterone action in the brain. In addition, corticosterone enhances late-phase ...
This study investigates the functional role of corticosterone in memory formation for a passive avoidance task in the day-old chick. Whereas training chicks with a strong aversant results in an enduring memory, memory for a weak aversant which is only reta ...
An experimental procedure has been designed in order to trace interactions within the binder responsible for the setting properties (flow decay + strength) of Low Cement Castables (LCC). After mixing, the binders which have been studied are characterized b ...
