PSY 3150 EXAM 2 Sensation and Perception Review Questions for Exam 2 1. Why is object perception a difficult problem? Explain the inverse projection problem, occlusion, and viewpoint invariance 2. Think of examples of how heuristics and knowledge influence object perception. 3. Draw or recognize picture(s) demonstrating the Gestalt laws of perceptual organization. 4. Give an example of the Gestalt idea of transposable. 5. What are properties that separate a figure from its