Differentiate between the theories related to perception of color

DESCRIBE THE ROLE OF GESTALT PRINCIPLES IN PERCEPTUAL ORGANIZATION.

Discussion 1 – Answer discussion in 100-150 Words Describe the role of Gestalt principles in perceptual organization.

Discussion 2 – Answer discussion in 100-150 Words
Differentiate between the theories related to perception of color.
Discussion 3 – Answer discussion in 100-150 Words
Explain the concepts related to perception of motion.
Discussion 4 – Answer discussion in 100-150 Words
Explain the concepts related to perception of size.
Discussion 5 – Answer discussion in 100-150 Words
Explain the concepts related to perception of depth.
Discussion 6 – Answer discussion in 100-150 Words
Motion Perception in Movies and Paintings
http://www.ctheory.net/articles.aspx?id=349
Thoughts?
Discussion 7 – Answer discussion in 100-150 Words
Depression or Grief?
http://www.care2.com/greenliving/depression-or-grief-even-doctors-cant-tell.html?onswipe_redirect=no&oswrr=1
Discussion 8 – Answer discussion in 100-150 Words
Article: Brain Mechanisms Affected by Psychoactive drugs
http://www.greenfacts.org/en/psychoactive-drugs/l-3/3-drug-addiction-brain.htm#2p0
Thoughts?
Discussion 9 – Answer discussion in 100-150 Words
Article: Psychology of Color
http://www.psychologistworld.com/perception/color.php
Thoughts?