Are images psychology ? .. perhaps an images appeal depends on it
having a commonality with the viewer

The Psychology of Shape

Many of the pictures incorporate ideas i more fully developed about 20 years ago.
They are detailed in my workbook [very organised contrary to speculation] and are reproduced here
in approximate and word format .. note that many definitions also include their negation

o......[circle or dot]............self............................................personal ego, idea, ideal, nourish, possibly include/exclude
A ....[isosceles triangle].....self to parent or environ...............comfort, balance
||......[parallel uprights].......person to person non passive.....cooperation while maintaining identity, conflict
=......[ horizontal line ].........person to person passive.........stability, sloth, relaxation, freedom, possibly connect/separate
-.......[single line].............self or person to person.......................join, connect, separation, relaxation
0......[ellipse vert or horiz].external person.........................interrogative, informing,immediate possibly aggressive
[].....[square or rectangle]...person to person or environ......stability, completion, overbearing, organisation, possibly family, possibly unbreachable obstacle
/......[slope or right angled triangle]
........................................person to environ.......................effort, resistance, easy, decline, possibly antagonism
@......[heart shape]...........person to parent....................comfort, happiness, satisfaction, provision, commonly love ?
>......[angle].....................person to person or environ......communion, inform, direction, dimension
+ or squiggle....................environ possibly person..........confusion, division, silence, noise
?......[spiral].....................self......................................atavism, growth, instability, change, maturity
U or n.[parabola].............self/person to person............relaxed communication, relationship, obstacle, achievable, happiness, sadness
~......[sine wave ].............self/person to person............balanced communication, movement of ideas, rhythm, stability with advancement

I hope you find these ideas interesting.

also
ideas about perception:-
1) vague subliminal pattern analysis .. comparison to familiar image [if familiar exit]

2) detailed analysis of info within structure and its significance [same as 1 exit]
a) by tonality
b) associate with known blocks [by use]
c) assessment by colour [ not as a) return to a) or layby and exit as unrecognised to 2)
d) assemble by usage go to 2 if recognised else go to a)

note: many threads are possible spawned by top level also there is no real exit as it is a continuous process as new image data arrives
but one would assume this is triggered by unusual pattern development or movement as a more vital activity
to respond to environmental hazards, and opportunities