Miura A, Sato Y, Watanabe Y, Fushiki H, Kawasaki T
Department of Physiology, Faculty of Medicine, Toyama Medical and Pharmaceutical University, Japan.
Acta Otolaryngol Suppl. 1993;504:17-20. doi: 10.3109/00016489309128115.
In ketamine anesthetized cats, complex spike (CS) responses to movement of a large-field visual surround (optokinetic stimulus) were recorded in the cerebellar flocculus. Two types of Purkinje cells were found. One type showed increased CS activity to optokinetic stimuli directed contralaterally to the recording site and decreased activity to stimuli directed ipsilaterally. The modulation occurred in both monocular (responses to the stimuli for only the ipsilateral eye) and binocular forms (dominant eye, ipsilateral). The other type of cell showed increased CS activity during upward optokinetic stimuli and decreased activity during downward stimuli. The responses occurred only in the binocular form. The dominant eye was either ipsilateral or contralateral with respect to the recording site. Thus, there are two types of Purkinje cells in the cat flocculus: horizontal type cell showing CS modulation during horizontal optokinetic stimuli, and vertical type cell showing CS modulation during vertical optokinetic stimuli.
在氯胺酮麻醉的猫中，在小脑绒球记录了对大视野视觉环绕运动（视动刺激）的复合峰（CS）反应。发现了两种类型的浦肯野细胞。一种类型的细胞对指向记录部位对侧的视动刺激表现出CS活动增加，而对指向同侧的刺激表现出活动减少。这种调制以单眼（仅对同侧眼的刺激的反应）和双眼形式（优势眼，同侧）出现。另一种类型的细胞在向上视动刺激期间表现出CS活动增加，而在向下刺激期间表现出活动减少。这些反应仅以双眼形式出现。优势眼相对于记录部位可以是同侧或对侧。因此，猫绒球中有两种类型的浦肯野细胞：水平型细胞在水平视动刺激期间表现出CS调制，垂直型细胞在垂直视动刺激期间表现出CS调制。
