Who Are You Expecting? Uncertainty and Bias in High-Level Vision

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It is well known that expectation plays a large role in how we perceive the sex, age and other attributes of people, crucial to guiding our interactions with them. It has not yet been established whether expectation exerts its influence at a perceptual or cognitive level. This project will apply a mathematical model of the way in which expectation can influence perception to a range of judgements made by participants under conditions of uncertainty. The model aims to allow the description of how such expectations influence perception of attributes such as sex, age and attractiveness, in order to generate understanding of a key aspect of person perception and provide a novel theoretical foundation for further research.