Impact of Different Kinds of Attention on Perceptual-Based Sequence Learning
Date Issued
2012
Date
2012
Author(s)
Chang, Yu-Chia
Abstract
It is known that sequence learning involves attention-modulated implicit and/or explicit processes (Nissen and Bullemer, 1987). The pure perceptual-based sequence learning task (Remillard, 2009) which employs the probabilistic structure of visual stimulus, has demonstrated that visual-spatial attention could affect sequence learning. But that task did not specify the kinds of attention responsible for the impairment of sequence learning. Caparos and Linnell (2009) indicated that there is a gradient effect of attention under low perceptual load. The closer the distractor is to the target, the more the attention is consumed. This study used distractors from high- and low-successive frequencies and manipulated two attentional factors, namely distance and randomness, to investigate their impact on perceptual-based learning. Remillard’s paradigm (2009) is employed and the results was replicated. In the second experiment, the various distances of distractors to the targets were manipulated, and the results revealed that only the short-same-color distraction group impaired learning, and the others did not. This result supports the visual-spatial attention account. In the last experiment, the randomness of distractors to the targets was manipulated, and the results revealed that the random-long-same-color distraction group impaired learning. This result supports the attention-independent associative account. The three experiments indicated that perceptual-based sequence learning is affected differently by the characters of attention in the different condition.
Subjects
implicit sequence learning
pure perceptual-based sequence learning
probabilistic structure
visual-spatial attention
attention-independent associative
Type
thesis
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