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Judgments about personality based on facial appearance are strong effectors in social decision making, and are known to have impact on areas from presidential elections to jury decisions. Recent work has shown that it is possible to predict perception of memorability, trustworthiness, intelligence and other attributes in human face images. The most successful of these approaches require face images...
Recent work has shown that it is possible to reconstruct perceived stimuli from human brain activity. At the same time, studies have indicated that perception and imagery share the same neural substrate. This could bring cognitive brain computer interfaces (BCIs) that are driven by direct readout of mental images within reach. A desirable feature of such BCIs is that subjects gain the ability to construct...
New computational models have made it possible to reconstruct perceived images from BOLD responses in visual cortex. We expand a linear Gaussian framework for percept decoding with Gaussian mixture models to better represent the prior distribution of images. In our setup, different mixture components correspond to different letter categories. Our framework not only leads to more accurate reconstructions,...
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