Joe Malpeli

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We developed a spectral technique that is independent of the light transport modality (diffusive or nondiffusive) to separate optical changes in scattering and absorption in the cat's brain due to the hemodynamic signal following visual stimulation. We observe changes in oxyhemoglobin and deoxyhemoglobin concentration signals during visual stimulation(More)
Previous studies show that rodents and human children can use the shape of the surroundings but not other non-geometric features to localize an object after disorientation, suggesting that different systems and mechanisms are involved in the representations of object locations and environment shape. This thesis reports three sets of studies investigating(More)
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