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date: 19 August 2019

Abstract and Keywords

Cross-modal plasticity refers to how the loss of sensory activity within one modality affects the development of the remaining modalities at cortical and subcortical levels. Two approaches are used to understand how this plasticity is generated. A comparative approach is used to determine how aspects of cortical organization are altered across species with natural enhancement of a sensory system, whereas a developmental approach is used to determine the factors that contribute to sensory domain allocation as well as the functional assignment of cortical fields. Together, comparative and developmental studies suggest that a cortical field is a combination of the sensory-driven input each sensory system receives during development and the genes that contribute to basic aspects of cortical field emergence including location, size, and connectivity.

Keywords: Sensory-driven activity, congenital sensory loss, development, multimodal plasticity, cortical fields, sensory domains, evolution

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