Title: Experienced Stress Produces Inhibitory Deficits in Elderlies’ Flanker Task Performance: First Evidence for Lifetime Stress Effects Beyond Memory
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The effect of acute restraint stress and dexamethasone on retrieval of long-term memory in rats: an interaction with opiate system
This study investigated whether application of acute restraint stress or dexamethasone, as a glucocorticoid receptor agonist, impaired retrieval of long-term memory and if pretreatment with opiate antagonist naloxone blocked their effects on memory retrieval. Young adult male rats were trained in one trial inhibitory avoidance task (1 mA, 1.5 s foot shock). On retention test given 48 hr after t...
متن کاملThe effect of acute restraint stress and dexamethasone on retrieval of long-term memory in rats: an interaction with opiate system
This study investigated whether application of acute restraint stress or dexamethasone, as a glucocorticoid receptor agonist, impaired retrieval of long-term memory and if pretreatment with opiate antagonist naloxone blocked their effects on memory retrieval. Young adult male rats were trained in one trial inhibitory avoidance task (1 mA, 1.5 s foot shock). On retention test given 48 hr after t...
متن کاملEffect of intrahippocampal L-NAME injection on passive avoidance memory in adult male rats exposed to restraint stress
Introduction: Nitric oxide is an important messenger in hippocampal region which is affected in learning and memory processes and hippocampal responses to stress. In this study, we investigated the effect of L-NAME on passive avoidance memory in adult male rats exposed to restraint-stress. Methods: For this purpose, male Wistar rats were bilaterally implanted with cannulas aimed at the CA1 r...
متن کاملProtective role of vitamin-D on chronic stress induced-learning and memory deficits in rats
Introduction: Long-term stress disturbs HPA axis and increases glucocorticoids release, which disturbs neural plasticity in the hippocampus and may lead to learning and memory deficits. Noticeably, vitamin D plays a protective role in the nervous system and has receptors in the hippocampus. This behavioral study investigates the possible protective role of vitamin-D against the negative effects...
متن کاملAuraptene consolidates memory, reverses scopolamine-disrupted memory in passive avoidance task, and ameliorates retention deficits in mice
Objective(s): Auraptene (7-geranyloxycoumarin) (AUR), from Citrus species has shown anti-inflammatory, neuroprotective, and acetylcholinesterase (AChE) and beta-secretase inhibitory effects. Scopolamine is a nonselective muscarinic receptor antagonist which causes short-term memory impairments and is used for inducing animal model of Alzheimer’s disease (AD). This research aimed to investigate ...
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تاریخ انتشار 2015