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Bottom-up and top-down factors of motion direction learning transfer.

Zhang, Y., Yuan, Y-F., He, X. and Zhang, G.-L., 2019. Bottom-up and top-down factors of motion direction learning transfer. Consciousness and Cognition, 74 (September), 102780.

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DOI: 10.1016/j.concog.2019.102780


Perceptual learning of motion discrimination has long been believed to be motion direction specific. However, recent studies using a double-training paradigm, in which the to-be-transferred condition was experienced through practicing an irrelevant task, found that perceptual learning in various visual tasks, including motion direction discrimination, can transfer completely to new conditions. This transfer occurred when the transfer stimulus was subconsciously presented, or when top-down attention was allocated to the transfer stimulus (which was absent). In the current study, observers were exposed subconsciously, or directed top-down attention, to the transfer motion direction, either simultaneously or successively with training. Data showed that motion direction learning transferred to the transfer direction, and suggest that motion direction learning specificity may result from under-activations of untrained visual neurons due to insufficient bottom-up stimulation and/or lack of top-down attention during training. These results shed new light on the neural mechanisms underlying motion perceptual learning and provide a constraint for models of motion perceptual learning.

Item Type:Article
Uncontrolled Keywords:Perceptual learning; Motion direction; Specificity; Learning transfer; Double training
Group:Faculty of Science & Technology
ID Code:32522
Deposited By: Symplectic RT2
Deposited On:31 Jul 2019 08:30
Last Modified:14 Mar 2022 14:16


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