Removed Clips for Video Lecture 1: Introduction

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Removed Clip 1: Checkershadow Illusion

A demonstration of Edward H. Adelson's Checkershadow illusion was attempted during lecture, but it did not work.

Diagram of a checkerboard pattern that appears to have dark gray and light gray squares.

Checkershadow illusion: squares A and B are actually the same color. (Image courtesy of Professor Edward H. Adelson. Used with permission.)

Animated demonstration and explanation by Prof. Michael Bach

Removed Clip 2: Selective Attention Test

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This video is from profsimons via YouTube, and is not covered under our Creative Commons license.

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