In an essay, explore the cognitive processes underpinning our ability to recognize faces, and evaluate the relative contribution of bottom up and top down processes. You should make direct reference to research to support your arguments. Essay answer will be expected to show citations for relevant authors and dates if study examples, theoretical concepts or other forms of supportive evidence are referred to. The inclusion of diagrams, graphs or figures is allowed. (Any such item must be clearly labelled). Refer to top-down bottom-up processing.