Despite the appearance, the above horizontal bar does not change in color and tone.


Believe it or not, squares A and B are the same color and tone.













A Look at How Humans Think and See
by David Rudd Cycleback

"The study of visual illusions and how they work show us that reality and human perception of reality are different things."

1 conceits

2 useful conceits

3 human achievement

group achievement

4 limitations of art

locating space

5 the impossibleness in translating poetry

psychology of expectations

6 presenting old works of art 'authentically'

7 visual illusions: introduction

8 visual illusions: normal everyday perceptions

9 college

11 when does 1 + 1 not equal 2?

sounds good

12 visual illusions: optical physiology

heisenberg's uncertainty principle in quantum physics

13 visual illusions: night versus day vision

14 visual illusions: pattern, shape and form biases




18 monster

19 visual illusions: perception via comparison

baseball's changeup

camoflage: seeing but not perceiving

20 the fiction in science

21 your unique subjective experience


22 visual illusions: imagination

23 Subjective Grouping, Categorization and Prioritization of Information

so, if a tree falls and no one is around does it make a sound?

24 responses versus answers

25 visual illusions: mirages

which line is longer?

26 visual illusions: the illusion of depth in two dimensional art

27 an optical illusion that demonstrates a curiosity of your brain

a problem in trying to measure the reliability of the human mind

28 visual illusions: identify what is in these three pictures

29 logic versus art in communicating higher ideas

30 claire: how we met

31 going away



(c) cycleback, all rights reserved

 (c) cycleback, all rights reserved