Learning Objectives

5.1 Explain the computational difficulties the visual system must overcome in recognizing objects as themselves under a multitude of situations and angles.

5.2 Examine the difference between top-down processing and bottom-up processing and how they affect object perception.

5.3 Describe the gestalt laws of perceptual grouping.

5.4 Define the concept of a geon.

5.5 Explain why the ventral pathway is critical for object perception.

5.6 Explain how we can distinguish human faces from doll and mannequin faces.