Avelev V D
Fiziol Zh SSSR Im I M Sechenova. 1976 Dec;62(12):1824-33.
Interaction of PSPs elicited by stimulation of hindlimb and forelimb afferent nerves was studied in lumbar flexor motoneurons of anesthetized cats. Activation of forelimb afferents evoked EPSPs of considerable duration; no IPSPs were observed. Stimulation of hindlimb flexor afferents evoked EPSPs in the same motoneurons, their early component being of segmental origin and their late component--of spino-bulbo-spinal one. Interaction of afferent systems of fore--and hindlimbs caused a long-lasting depression of EPSPs. The depression of EPSPs was not followed by generation of IPSPs in motoneurons, Possible integrative levels of interlimb inhibitory coordination are discussed.
在麻醉猫的腰段屈肌运动神经元中，研究了后肢和前肢传入神经刺激所引发的突触后电位（PSP）的相互作用。前肢传入神经的激活诱发了持续时间相当长的兴奋性突触后电位（EPSP）；未观察到抑制性突触后电位（IPSP）。后肢屈肌传入神经的刺激在相同的运动神经元中诱发了EPSP，其早期成分起源于节段性，晚期成分——起源于脊髓-延髓-脊髓。前肢和后肢传入系统的相互作用导致EPSP出现长时间的抑制。EPSP受到抑制后，运动神经元中并未产生IPSP，文中还讨论了肢体间抑制性协调可能的整合水平。
