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Stereopsis Activates V3A and Caudal Intraparietal Areas in Macaques and Humans
Stereopsis, the perception of depth from small differences between the images in the two eyes, provides a rich model for investigating the cortical construction of surfaces and space. AlthoughExpand
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Human cerebellar activity reflecting an acquired internal model of a new tool
We propose a coherent computational theory in which the phylogenetically newer part of the cerebellum similarly acquires internal models of objects in the external world. Expand
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Perceptual Learning Incepted by Decoded fMRI Neurofeedback Without Stimulus Presentation
Even the adult primary visual cortex is sufficiently plastic to allow performance enhancement. It is controversial whether the adult primate early visual cortex is sufficiently plastic to causeExpand
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The Radial Bias: A Different Slant on Visual Orientation Sensitivity in Human and Nonhuman Primates
It is generally assumed that sensitivity to different stimulus orientations is mapped in a globally equivalent fashion across primate visual cortex, at a spatial scale larger than that of orientationExpand
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Symmetry activates extrastriate visual cortex in human and nonhuman primates.
Humans often create and appreciate visual symmetry in their environment, and the underlying brain mechanisms have been a topic of increasing interest. Here, symmetric versus random dot stimuliExpand
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Different Dynamics of Performance and Brain Activation in the Time Course of Perceptual Learning
Perceptual learning is regarded as a manifestation of experience-dependent plasticity in the sensory systems, yet the underlying neural mechanisms remain unclear. We measured the dynamics ofExpand
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Local and global attention are mapped retinotopically in human occipital cortex.
Clinical evidence suggests that control mechanisms for local and global attention are lateralized in the temporal-parietal cortex. However, in the human occipital (visual) cortex, the evidence forExpand
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Perceptual learning without perception
The brain is able to adapt rapidly and continually to the surrounding environment, becoming increasingly sensitive to important and frequently encountered stimuli. It is often claimed that thisExpand
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Greater plasticity in lower-level than higher-level visual motion processing in a passive perceptual learning task
Simple exposure is sufficient to sensitize the human visual system to a particular direction of motion, but the underlying mechanisms of this process are unclear. Here, in a passive perceptualExpand
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Perceptual learning: toward a comprehensive theory.
Visual perceptual learning (VPL) is long-term performance increase resulting from visual perceptual experience. Task-relevant VPL of a feature results from training of a task on the feature relevantExpand
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