Normal development of context processing using the AXCPT paradigm

PloS One
Nicola Riccardo PolizzottoRaymond Y Cho

Abstract

Context processing involves a flexible and continually updated representation of task relevant information and is a core aspect of cognitive control. The expectancy AX Continuous Performance Test (AXCPT) was designed to specifically measure context processing and has been widely applied to elucidate mechanisms of cognitive control and their impairments in conditions such as aging and schizophrenia. Here we present a large-sample, cross-sectional study of context processing aimed at characterizing its normal development from childhood to early adulthood (8 to 22 years old). We track the age-related changes in the standard AXCPT performance measures and also investigate their validity using detailed data-driven method. We show how critical maturational changes in context processing can be validly tracked from mid-adolescence onward with increasing reliance on preparatory, proactive strategies well into early adulthood. However, the early maturation from childhood into adolescence showed a sharp, two-fold discontinuity: while standard measures provide partially conflicting results suggesting an early worsening of proactive strategies, further analyses do not support their validity during this period. Our findings advocate the exis...Continue Reading

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Citations

Aug 30, 2018·Frontiers in Human Neuroscience·Lei QiaoAntao Chen
Mar 5, 2021·Clinical Interventions in Aging·Kim H TranXiaowei Song
Jul 4, 2021·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Fariba SharifianEdmund Wascher

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Methods Mentioned

BETA
dissection
PCA
PCAs

Software Mentioned

CNTRICS
Helvetica
PCA
AXCPT

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