SPECTRO-TEMPORAL RECEPTIVE-FIELDS OF AUDITORY NEURONS IN THE GRASSFROG .3. ANALYSIS OF THE STIMULUS-EVENT RELATION FOR NATURAL STIMULI
SPECTRO-TEMPORAL RECEPTIVE-FIELDS OF AUDITORY NEURONS IN THE GRASSFROG .3. ANALYSIS OF THE STIMULUS-EVENT RELATION FOR NATURAL STIMULI
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DOI：
10.1007/bf00342772
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发表时间：
1981-01-01
影响因子：
1.9
通讯作者：
JOHANNESMA, PIM
中科院分区：
文献类型：
--
作者：
AERTSEN, AMHJ;OLDERS, JHJ;JOHANNESMA, PIM
本文观察了麻醉草蛙听觉中脑区--枕丘单个单位的刺激-事件关系。temporaria）在用广泛的自然刺激系综刺激期间，使用一阶和二阶统计分析技术进行分析。一般来说，在动作电位发生之前的平均刺激并没有给出非常有用的结果。二阶程序包括确定事件前刺激的平均动态功率谱，遵循如别处所述的程序（Aertsen和Johannesma; Aertsen等人）。该分析的结果用完整刺激系综的总功率谱进行滤波，以校正其不均匀的谱组成。刺激滤波平均事件前动态频谱给出了自然刺激条件下神经元的频谱-时间感受野的第一指示。有限数量的录音的结果，并在全球范围内，与音调刺激实验的类似分析的结果相比。
The stimulus-event relation of single units in the auditory midbrain area, the torus semicircularis, of the anesthetized grassfrog (R. temporaria) during stimulation with a wide ensemble of natural stimuli, was analyzed using 1st and 2nd order statistical analysis techniques. The average stimulus preceding the occurrence of action potentials, in general, did not give very informative results. The 2nd order procedure consisted in the determination of the average dynamic power spectrum of the pre-event stimuli, following procedures as described elsewhere (Aertsen and Johannesma; Aertsen et al.). The outcome of this analysis was filtered with the overall power spectrum of the complete stimulus ensemble in order to correct for its non-uniform spectral composition. The stimulus-filtered average pre-event dynamic spectrum gives a 1st indication of the spectro-temporal receptive field of a neuron under natural stimulus conditions. Results for a limited number of recordings are presented and, globally, compared to the outcome of an analogous analysis of experiments with tonal stimuli.