利用语音和皮层脑电图绘制人类听觉皮层图谱。
Using speech and electrocorticography to map human auditory cortex.
作者信息
Greenlee Jeremy D W, Behroozmand Roozbeh, Nourski Kirill V, Oya Hiroyuki, Kawasaki Hiroto, Howard Matthew A
出版信息
Annu Int Conf IEEE Eng Med Biol Soc. 2014;2014:6798-801. doi: 10.1109/EMBC.2014.6945189.
Much less is known about the organization of the human auditory cortex compared to non-human primate auditory cortices. In an effort to further investigate the response properties of human auditory cortex, we present preliminary findings from human subjects implanted with depth electrodes in Heschl's gyrus (HG) as part of their neurosurgical treatment of epilepsy. Each subject had electrocorticography (ECoG) responses taken from medial and lateral HG in response to both speech and non-speech stimuli, including during speech production. Responses were somewhat variable across subjects, but posteromedial HG demonstrated frequency following responses to the stimuli in all subjects to some degree. Results and implications are discussed.
与非人灵长类动物的听觉皮层相比，我们对人类听觉皮层的组织了解得要少得多。为了进一步研究人类听觉皮层的反应特性，我们展示了在癫痫神经外科治疗中，在Heschl回（HG）植入深度电极的人类受试者的初步研究结果。每位受试者均接受了来自HG内侧和外侧的皮层脑电图（ECoG）反应，以回应言语和非言语刺激，包括在言语产生过程中。受试者之间的反应存在一定差异，但在所有受试者中，HG后内侧在一定程度上均表现出对刺激的频率跟随反应。我们对结果及其意义进行了讨论。
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