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ERP to chess stimuli reveal expert-novice differences in the amplitudes of N2 and P3 components

Wright, Michael J., Gobet, Fernand, Chassy, Philippe and Ramchandani, Payal Nanik (2013) ERP to chess stimuli reveal expert-novice differences in the amplitudes of N2 and P3 components. Psychophysiology, 50 (10). pp. 1023-1033. ISSN 0048-5772

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Identification Number: 10.1111/psyp.12084

Abstract

Abstract ERP experiments were conducted to analyze the underlying neural events when chess players make simple judgments of a board position. Fourteen expert players and 14 age-matched novices viewed, for each of four tasks, 128 unique positions on a mini (4???4) chess board each presented for 0.5?s. The tasks were to respond: (a) if white king was in check, (b) if black knight was present, (c) if white king was not in check, and (d) if no black knight was present. Experts showed an enhanced N2 with check targets and a larger P3 with knight targets, relative to novices. Expert-novice differences in posterior N2 began as early as 240?ms on check-related searches. Results were consistent with the view that prolonged N2 components reflect matching of current perceptual input to memory, and thus are sensitive to experts' superior pattern recognition and memory retrieval of chunks.

Item Type: Article
Official URL: https://onlinelibrary.wiley.com/doi/full/10.1111/p...
Additional Information: © 2013 Society for Psychophysiological Research
Divisions: CPNSS
Subjects: R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
B Philosophy. Psychology. Religion > BF Psychology
Date Deposited: 02 Nov 2019 15:39
Last Modified: 20 Nov 2019 12:46
URI: http://eprints.lse.ac.uk/id/eprint/102345

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