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目的 :新建一个“优势模式 (favoredpattern ,FP)”快速检测法 ,用以检测不同神经元放电串中之FP ,并检验其效果。方法 :在原有的“改进的FP检测法”的基础上 ,采用数种措施实现快速检测 ,并用多个指标检验其检测效果。结果 :(1)具有 3种不同程度变动的各种模拟FP的检出阈均为 2 ,表明该法敏感 ;(2 )自发放电串中各个FP重复出现时 ,其全长和所含不同放电间隔长度之变异系数分别为 5 %和 17% ,均小于检测所规定的容差 ,表明该法可靠 ;(3)自发放电串中FP长时间稳定地存在 ,而诱发放电串中不同FP的总数随放电率的变化而增减 ;(4 )所有被检测的放电串 (总数 92 )都能检测到FP ,检测一个 12 0 0～ 15 0 0个动作电位的放电串中的FP仅需 2～ 3s。结论 :新建立的“快速FP检测法”可能是研究神经信息编码的一个很有用的手段
OBJECTIVE: To establish a new “favoredpattern (FP)” rapid detection method to detect FP in different neuronal discharge series and test its effect. Methods: On the basis of the original “improved FP detection method”, several measures were adopted to achieve rapid test, and the test results were tested with multiple indexes. Results: (1) The detection thresholds of all simulated FPs with three different degrees of variation were both 2, indicating that this method was sensitive. (2) When all the FPs in the spontaneous discharge series appeared repeatedly, their full-length and contained different discharge The coefficient of variation of the length of the interval was 5% and 17%, respectively, which were less than the allowable tolerance of the test, indicating that the method was reliable. (3) The spontaneous discharge was stable for a long time and the total number of different FPs (4) All detected discharges (total 92) can detect FP, and the detection of FP in a discharge string with an operating potential of 12 0 ~ 15 0 0 only needs 2 ~ 3s. Conclusions: The newly established “rapid FP assay” may be a useful tool for studying neural information coding