Showing papers by "Gregory McCarthy published in 1984"
TL;DR: Comparison of rotated PC scores with the random weights used to generate the simulated ERPs indicated that PCA incorrectly allocated variance across overlapping components, producing dramatic increases in type I error for ANOVAs on one component when the true treatment effect was on another.
224 citations
TL;DR: This chapter intends to consider in detail the anatomical and physiological substrates of two classes or families of ERPs that have been the subject of intense investigation in recent years: the auditory “ N I P ~ complex” and (b) P300 and related “endogenous” potentials.
Abstract: Because an excellent tutorial introduction to the anatomical and physiological substrates of event-related potentials (ERPs) is available (Goff et al.. 1978), our objective in this chapter is not a general tutorial review. Rather, we intend to consider in detail the anatomical and physiological substrates of two classes or families of ERPs that have been the subject of intense investigation in recent years: (a) the auditory “ N I P ~ complex” and (b) P300 and related “endogenous” potentials. Our hope is that such a “case study” approach to ERP substrates will not only provide the reader with a thorough review of recent research findings, but will also provide a critical analysis of both the theoretical and empirical foundations of inferences about the neural substrates of ERPs. Our consideration of each family of potentials will consist of (a) a brief descriptive introduction, including the identifying characteristics of the potentials under consideration and the experimental conditions under which they can be obtained; (b) a detailed consideration of the different types of evidence that have been used to formulate and
215 citations