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Assessing the role of cross modal information in high level perception: enhancements and constraints.

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My talk will focus on the role of vision, haptics and audition on our ability to perceive and recognize objects, faces and scenes. Recent studies have found strong evidence for early interactions between the senses that underpin perception. In the past we have used behavioural paradigms, such as cross-sensory interference and perceptual learning, to investigate the role of sensory dominance in specific perceptual tasks. Our more recent studies have involved an investigation of task-specificity in these multisensory interactions and I will discuss how cases of sensory deprivation, and a recent case of visual recovery, can reveal the log-term nature of these cross-sensory interactions in perception. In general, our findings point to a functional organisation of sensory inputs in which information can be shared across modalities to provide a robust representation of the world. However, the extent to which information is shared depends on the functional capacity of particular modalities that are optimized for specific tasks.

This talk is part of the Zangwill Club series.

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