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Olfactory Processing in Children and Young Adults

机译:儿童和年轻人的嗅觉处理

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Because central nervous processing of odorous stimuli in different stages of adolescence has rarely been studied, in this preliminary fMRI investigation, 20 subjects were grouped according to age (children 9–12 years old and young adults 17–20 years old) to build two equally sized samples. Patterns of cerebral activation were compared between both groups following passive nasal stimulation with three odorants. Children mainly showed activation of olfactory cortex, namely, piriform cortex and amygdala. In young adults, enhanced activation was revealed in neocortical areas, suggesting a greater involvement of areas engaged in cognitive integration of olfactory stimuli. However, it is emphasized that additional psychological and developmental confounds should be taken into account in future studies to establish more profound results.
机译:由于很少研究青春期不同阶段的气味刺激的中枢神经处理,因此在这项初步的功能磁共振成像研究中,按照年龄(9-12岁的儿童和17-20岁的年轻人)将20个受试者分组,以平均分为两个大小的样本。在用三种香精被动鼻刺激后,比较了两组之间的大脑激活模式。儿童主要表现为嗅觉皮层,即梨状皮层和杏仁核。在年轻人中,新皮层区域显示出增强的激活,表明参与嗅觉刺激的认知整合的区域更多地参与其中。但是,需要强调的是,在以后的研究中,应考虑更多的心理和发育上的混淆,以建立更深刻的结果。

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