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Previous neuroimaging studies provided evidence that visual mental imagery relies, in part, on the primary visual cortex. We hypothesized that, analogous to the finding that motor imagery increases the excitability of motor cortex, visual imagery should increase visual cortex excitability, as indexed by a decrease in the phosphene threshold (PT). In order to test visual cortex excitability, the primary...
To assess whether diabetes alters the content and/or expression of neuroactive agents and protooncogenes in afferent neurons of the vagus nerve, the nodose ganglia of streptozotocin (STZ)-induced diabetic rats were studied at 8, 16, and 24 weeks after induction of diabetes. Neuronal nitric oxide synthase (nNOS), tyrosine hydroxylase (TH), the immediate early gene c-Jun, vasoactive intestinal peptide...
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