Compound pattern ( 6 . 4 % ) , its scatter map of isi series displayed two or more oscillation patterns . 4 . after the bath in 1 . 8 - 3 u mol / l veratridine , touch or pressure on the l5 receptive fields could trigger some primary silent drg neurons to produce high - frequency firing , termed triggered oscillation , whose interspike intervals ( isi ) showed u - type or other types of oscillations 在部分靜息神經(jīng)元lsdrg浸浴壹蘆堿后,觸壓該神經(jīng)元的皮膚感受野,可以觸發(fā)產(chǎn)生持續(xù)數(shù)秒至數(shù)十秒的高頻放電,在散點圖上,其isi序列形成u字形或彌散形等型式的振蕩,稱之為觸發(fā)振蕩。