Neurophysiology, neuropharmacology and behavioral relationships of visual system evoked after-discharges: A review

Erin D. Bigler
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引用次数: 71

Abstract

Visually evoked response (VER) after-discharge (AD) research is reviewed. Neurophysiological and neuroanatomical contributions are developed in terms of the thalamic generating mechanisms of VER ADs, with specific reference to the dorsal lateral geniculate nucleus. The association between a variety of brain systems including the mesencephalic reticular formation, superior colliculus, ventral lateral geniculate nucleus, pulvinar, hippocampus and medial geniculate in terms of the modulation and functional significance of the VER AD is provided. The neuropharmacology of VER ADs is likewise examined with respect to the development of an experimental epilepsy model, this being dependent upon the observations that convulsants markedly augment while anticonvulsants significantly attenuate VER ADs. Cholinergic and catecholaminergic systems are also discussed in terms of their relevancy with the neuropharmacology of VER ADs. A variety of behavioral relationships have been determined and are likewise reviewed. A unifying theme of the behavioral research associated with VER AD elicitation and elaboration has been with an underlying arousal dimension. The multidisciplinary approach taken by VER AD research suggests the direct application of this type of orientation for a variety of behavioral research areas.

视觉系统诱发后放电的神经生理学、神经药理学和行为关系综述
对视觉诱发反应(VER)放电后反应(AD)的研究进行了综述。神经生理学和神经解剖学的贡献在丘脑产生机制方面得到了发展,具体涉及膝状核背外侧。提供了中脑网状结构、上丘、膝状核腹侧外侧、枕状核、海马和膝状内侧等多种脑系统在VER AD的调节和功能意义方面的关联。在实验性癫痫模型的发展方面,也同样检查了VER ad的神经药理学,这取决于惊厥药显著增强而抗惊厥药显著减弱VER ad的观察结果。胆碱能和儿茶酚胺能系统也讨论了它们与VER ad神经药理学的相关性。各种行为关系已经确定,并同样进行了回顾。与VER AD的激发和阐述相关的行为研究的一个统一主题是潜在的唤醒维度。VER - AD研究采用的多学科方法表明,这种类型的取向可以直接应用于各种行为研究领域。
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