4.5 Review

Perceptual variability: Implications for learning and generalization

期刊

PSYCHONOMIC BULLETIN & REVIEW
卷 28, 期 1, 页码 1-19

出版社

SPRINGER
DOI: 10.3758/s13423-020-01780-1

关键词

Generalization; Perception; Discrimination; Learning; Memory; Decision-making; Conditioning

资金

  1. Asthenes long-term structural funding - Methusalem grant by the Flemish Government [METH/15/011]
  2. Krediet aan Navorsers (FWO) [1500620N]
  3. Methusalem Grant [BOF16/MET_V/002]

向作者/读者索取更多资源

Incorporating perceptual measures in generalization research can lead to a better understanding of individual differences, as perceptual variability may result in different learning experiences and explain interindividual variations in generalized responding.
The generalization of learned behavior has been extensively investigated, but accounting for variance in generalized responding remains a challenge. Based on recent advances, we demonstrate that the inclusion of perceptual measures in generalization research may lead to a better understanding of both intra- and interindividual differences in generalization. We explore various ways through which perceptual variability can influence generalized responding. We investigate its impact on the ability to discriminate between stimuli and how similarity between stimuli may be variable, rather than fixed, because of it. Subsequently, we argue that perceptual variations can yield different learning experiences and that interindividual differences in generalized responding may be understood from this perspective. Finally, we point to the role of memory and decision-making within this context. Throughout this paper, we argue that accounting for perception in current generalization protocols will improve the precision of obtained generalization gradients and the ability to infer latent mechanisms. This can inspire future attempts to use generalization gradients as a (clinical) predictor or to relate them to individual traits and neural correlates and, ultimately, may lead to new theoretical and clinical insights.

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