Agenda – Wednesday, January 29th

• Reading Quiz #3• S&P Terms/Notes• S&P Group assignment• Tomorrow: S&P Group assignment

presentation

Sensation & Perception

• Sensation: Process by which humans receive stimuli

• Perception: Process of organizing and interpreting sensory information

Weber’s Law

• The principle that, to be perceived as different, two stimuli must differ by a constant minimum percentage (rather than a constant amount)

• Example 1:– Class Chatter: 10 decibels -Teacher Talking: 13 decibels– Class Chatter: 50 decibels -Teacher Talking: 53 decibels

• Example 2:– Holding 1 Psych book -Holding 2 Psych books– Holding 6 Psych books -Holding 12 Psych books

Gestalt Principles

• Similarity• Proximity• Closure• Continuity• Connectedness

Depth Cues

• Binocular (2 eyes)– Retinal Disparity– Convergence

• Monocular (1 eye)– Relative Height– Relative Size– Interposition– Linear Perspective– Relative Motion– Light & Shadow– Texture Gradient– Relative Clarity

Phi Phenomenon

• Illusion of movement created by blinking lights

• http://www.michaelbach.de/ot/mot-adapt/index.html

• http://www.michaelbach.de/ot/cog_Darwin/index.html

• http://www.michaelbach.de/ot/cog_letters-ink/index.html

• http://www.michaelbach.de/ot/cog_hiddenBird/index.html