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  • Title: An accrual model for primed digit classification.
    Author: Izquierdo E, Saal A, Page R.
    Journal: Can J Exp Psychol; 2010 Mar; 64(1):3-16. PubMed ID: 20384413.
    Abstract:
    This article describes a chronometric experiment of digit classification with masked primes. EEG experiments have shown that the subliminal prime activates the cortex prior to the target signal, thusly modifying the response: Congruent primes lead to faster correct answers, while incongruent primes result in slower response. It is noticed that incorrect answers show an inverted effect: A congruent prime inhibits incorrect answers, and the reverse for incongruent primes. Within the evidence accrual paradigm, it is suggested that the prime activity in the motor cortex effectively behaves as a shift in the decision threshold. This model assumption is consistent with our experimental findings. The correct and incorrect answers and the error percentage are discussed.
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