Münte T F, Münte E, Heinze H J, Scholz M
Neurologische Klinik mit Neurophysiologie der Medizinischen Hochschule Hannover.
EEG EMG Z Elektroenzephalogr Elektromyogr Verwandte Geb. 1989 Mar;20(1):1-9.
This paper is concerned with the relation of two components of the late positive complex, P300 and slow wave, to parameters of signal detection theory. In the first experiment, basically a replication of Squires et al., signal probability was 50% and a six point rating scale was used for subjects' answers. Whereas for the P300 the well known relation to subjective confidence (and thus to response criteria) was confirmed, a similar relation could not be found for the slow wave. In the second experiment the local signal probability was varied from 25% to 75% on a trial to trial basis. Under these conditions neither the P300 nor the slow wave exhibited a relation to signal-probability, whilst the relation to decision-confidence was preserved.
本文关注晚期正复合波的两个成分，即P300和慢波，与信号检测理论参数之间的关系。在第一个实验中，基本上是对斯奎尔斯等人实验的重复，信号概率为50%，并使用六点评分量表让受试者作答。虽然对于P300，其与主观置信度（进而与反应标准）之间的已知关系得到了证实，但对于慢波却未发现类似关系。在第二个实验中，每次试验的局部信号概率在25%至75%之间变化。在这些条件下，P300和慢波均未表现出与信号概率的关系，而与决策置信度的关系得以保留。
