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首页> 外文会议>International Society for Brain Electromagnetic Topography >Relationship between cortical motor functions and orofacial disease: the mirror neuron system and temporomandibular disorders
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Relationship between cortical motor functions and orofacial disease: the mirror neuron system and temporomandibular disorders

机译：皮质运动功能与牙品疾病之间的关系：镜子神经元系统和颞下颌障碍

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A group of neurons in the monkey premotor cortex discharges both when the monkey is performing a given action as well as when it is observing the experimenter performing a similar action (mirror neuron system; action execution/observation matching system). Several brain imaging studies indicate that this system also exists in humans. The present study aimed to compare activation patterns of the cortical areas activated during observation of jaw movements between healthy normal subjects and patients with temporomandibular disorders (TMD). Whole-scalp neuromagnetic responses were recorded from five healthy volunteers and six patients with TMD. The subjects were instructed to carefully observe a pre-recorded video of bilaterally symmetrical jaw-opening movements performed by another individual. During the observation task in healthy subjects, we found magnetic signals generated by the region of the occipitotemporal region near the inferior temporal sulcus and maxillofacial area of the primary motor cortex. In patients, however, we found the attenuation of magnetic response from primary motor cortex. These findings suggest that the maxillofacial area of the primary motor cortex is included in the jaw movement-related action execution/observation matching system in humans, and provide new neuropathological evidence that TMD patients exhibit dysfunction of the jaw movement-related action execution/observation matching system.
机译：一群神经元在猴子热调的皮质中，当猴子正在进行给定的动作以及观察执行类似动作的实验者时都会排出两者（镜子神经元系统;动作执行/观察匹配系统）。几项脑成像研究表明，该系统也存在于人类中。本研究旨在比较在观察健康正常受试者和颞下颌疾病（TMD）之间的颌骨间移动期间激活的皮质区域的激活模式。全皮神经磁反应从五个健康的志愿者和六名TMD患者记录。指示受试者仔细观察由另一个人执行的双侧对称钳口开口运动的预先记录的视频。在健康受试者的观察任务期间，我们发现由琼手术区域的区域产生的磁信号，靠近初级时间沟和主电动机皮质的颌面积。然而，在患者中，我们发现初级电机皮质磁响应的衰减。这些发现表明，初级电机皮质的颌面面积包括在人类的下颚运动相关动作执行/观察匹配系统中，并提供新的神经病理证据，即TMD患者表现出颚运动相关动作执行/观察匹配功能障碍系统。

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