Excitotoxic Mechanisms of Apoptosis in the Mammalian Visual System Following Monocular Visual Deprivation
نویسندگان
چکیده
منابع مشابه
Effects of visual deprivation on synaptic plasticity of visual cortex
TBS (Theta Burst Stimulation) and PBs (Primed Bursts) are among effective tetanic stimulations for induction of LTP in hippocampus. Recent studies have indicated that TBS is effective in LTP induction in layer III synapses of neocortex, only if applied to layer IV. However, the possibility of neocortical LTP induction using PBs, has not yet been investigated. Sensory deprivation greatly influ...
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The adult visual cortex maintains a substantial potential for plasticity in response to a change in visual input. For instance, transcranial magnetic stimulation (TMS) studies have shown that binocular deprivation (BD) increases the cortical excitability for inducing phosphenes with TMS. Here, we employed TMS to trace plastic changes in adult visual cortex before, during, and after 48 h of mono...
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for the deprived eye in the early and middle periods of the training stage for all subjects, performance levels were similar between the eyes in the late period (Figure B). Significant differences were observed in the early (paired t-test, P = 0.0 5) and middle (P = 0.00 ) periods, but no significant difference in the late period (P = 0.380) (Figure C). These results suggest that MD selectively...
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Effects of visual deprivation on the induction of epileptiform activity were studied in layer II/III of mature rat primary visual cortex. Field potentials were evoked by stimulation of layer IV in slices from control and dark-reared (OR) rats. Picrotoxin (PTX)-induced epileptic activity was characterized by spontaneous and evoked epileptic field potentials (EFPs). The results showed that OR s...
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ژورنال
عنوان ژورنال: Pharmacology & Toxicology
سال: 2002
ISSN: 0901-9928
DOI: 10.1034/j.1600-0773.2002.910401.x