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- W2000146164 abstract "Task-specific improvement in performance after training is well established. The finding that learning is stimulus-specific and does not transfer well between different stimuli, between stimulus locations in the visual field, or between the two eyes has been used to support the notion that neurons or assemblies of neurons are modified at the earliest stage of cortical processing. However, a debate regarding the proposed mechanism underlying perceptual learning is an ongoing issue. Nevertheless, generalization of a trained task to other functions is an important key, for both understanding the neural mechanisms and the practical value of the training. This manuscript describes a structured perceptual learning method that previously used (amblyopia, myopia) and a novel technique and results that were applied for presbyopia. In general, subjects were trained for contrast detection of Gabor targets under lateral masking conditions. Training improved contrast sensitivity and diminished the lateral suppression when it existed (amblyopia). The improvement was transferred to unrelated functions such as visual acuity. The new results of presbyopia show substantial improvement of the spatial and temporal contrast sensitivity, leading to improved processing speed of target detection as well as reaction time. Consequently, the subjects, who were able to eliminate the need for reading glasses, benefited. Thus, here we show that the transfer of functions indicates that the specificity of improvement in the trained task can be generalized by repetitive practice of target detection, covering a sufficient range of spatial frequencies and orientations, leading to an improvement in unrelated visual functions. Thus, perceptual learning can be a practical method to improve visual functions in people with impaired or blurred vision." @default.
- W2000146164 created "2016-06-24" @default.
- W2000146164 creator A5035851367 @default.
- W2000146164 date "2009-10-01" @default.
- W2000146164 modified "2023-10-16" @default.
- W2000146164 title "Making perceptual learning practical to improve visual functions" @default.
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- W2000146164 doi "https://doi.org/10.1016/j.visres.2009.06.005" @default.
- W2000146164 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/19520103" @default.
- W2000146164 hasPublicationYear "2009" @default.
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