Illusions, Visualization, Memory, Learning, and Development


arrows image


Tables - Which is longer?

tables sketch

Table illusion animation

dots image


men at airport image


Is it up or down?

up or down board


Inside or outside

book cover image


How Much Haze?

hazi illustration


What is the average length of the lines?

Line length image


Which Eyes are Scarrier?

eyes image

eyse image and chart


Snake slither - .005 seconds recognition comes later after the fact at .05 maybe.

image dots


Unconscious mind fills in the gaps.
Reading and the brain - phony phonics and number reading


How many black dots?

image of squares


Skull or Lady



Brain and memory

pennies image


priming chart




Dr. Robert Sweetland's Notes ©