fundamentals of accessibility in new media: gestalt principles of perception
DESCRIPTION
A presentation I gave back in 2002 as a charitable work for a charity established by Nokia's founding family, to a group of leading European Psychologists involved with drug addiction prevention. It contains foundamentals that most tend professionals in our indystry tend to ignore. The section about Gestalt and forward is included here as taught at City University, London.TRANSCRIPT
Fundamentals of accessibility in
New Media
Dimitris Vayenas MIEE, CEng
Georges Braque, Man with a Guitar, 1911
Modern Societies and New Media Looking Backward to see Ahead
(RAND)
Few fundamentals (City University)
The Gesthalt Approach The Application of Metaphors from
Art & Craft to New Media What people are really looking at
in their monitors (Poynter – Standford University)
Summary
Main Characteristics– Limited Predictability– Relations became asynchronous– Relations from time driven become
event driven and services from time/context driven become Content Driven
– ”Freedom of Choice” On demand subscriber services
Modern Societies
Example
Traditional Media- Mix of topics- Limited Relation
between today’s, yesterday’s news
- No relation whatsoever to “tomorrow”
Example
New Media- Correlated- Customised- Feedback
channels- Ability to measure
accurately the impact of each story
- Event driven
James A. Dewar (RAND) produced an intriguing proposal for all to consider:– Parallels between the Printing Press and New Media
based on E. Eisenstein’s Work the ”Printing Press as an Agent of Change”
i.e. Parallel the Era of One to Many Communication with that of ”Many to Many”. Many are the similarities:
– Dramatic Changes– Uninteded Consequences– It may take us decades to find out the winners and losers
of our Era
Read the paper! www.rand.org – www.intranews.gr/columns
Looking Backwards to see Ahead
Few fundamentals (taught at City University in the Electronic Publishing MSc Course
by Neil Thurman)
Point Lines Forms
Attributes:
VolumeSizeColourValue/toneTexture
Behaviour and InterelationshipsStructureBalanceContrastDirectionMovementPosition Space
So what?
The Line- Horizontal lines denote stability- Vertical Lines represent balance
and order- Diagonal Lines are dynamic- Thin lines denote delicacy- Thick lines imply boldness
A few additional generalisations
Placing an object on the right hand side of a composition gives it more weight than placing it on the left
Larger objects have more weight than smaller objects
Warm colours have more weight than cool colours
Bright colours are heavier than dull ones Objects in the upper part of a composition are
heavier than those lower down Isolation makes for weight - a sun or moon in an
empty sky will be heavier than an object of similar appearance surrounded by other things
Regular shapes seem heavier than irregular ones
Gestalt psychology– 1890 German psychologist Christian
von Ehrenfels published “On Gestalt Qualities”
– Suggested that whole is larger than sum of it’s parts - the parts interact to form a new whole
– Our perception of an object is influenced by the arrangement of objects around it
The Gestalt Approach
Arcimboldo, The Librarian
Gestalt psychology– Humans’ natural tendency to organize
visual patterns. Compelled to resolve ambiguous
situations in order to stabilize a design and make sense of its meaning
The Gestalt Approach
Max Wertheimer research why we perceive some images are belonging together and some not
Wolfgan Kohler, Kurt Koffha and Rudolf Arnheim further applied these principles to art and visual perception
The eye seeks a unified whole or ‘gestalt’ - knowing how can help analyse and create successful designs
Knowing the connections the eye will draw for itself can help eliminate clutter and produce clearly articulated designs
Think of designs as ‘perceptual structures’
The Gestalt Approach
Gestalt Principles
SimilaritySimilar things appear to be grouped together
Gestalt Principles
SimilaritySimilar things appear to be grouped together
Gestalt Principles - similarity
Gestalt Principles - similarity
Gestalt Principles - similarity
Understanding Concrete Poetry
Art Center College of Design
Gestalt Principles - similarity
Gestalt Principles
Proximitythat things near each other appear to be grouped together
Gestalt Principles
Proximitythat things near each other appear to be grouped together
Gestalt Principles - proximity
Gestalt Principles
Closureclosed shapes are more visually stable than unclosed shapes. We have a natural tendency to close gaps and complete an unfinished form
interpretations which produce 'closed' rather than 'open' figures are favoured.
Closureclosed shapes are more visually stable than unclosed shapes. We have a natural tendency to close gaps and complete an unfinished form
interpretations which produce 'closed' rather than 'open' figures are favoured.
Gestalt Principles
Closureclosed shapes are more visually stable than unclosed shapes. We have a natural tendency to close gaps and complete an unfinished form
Gestalt Principles - closure
American Honda Motor Company,http://www.honda.com/. ©1998 American Honda Motor Co., Inc.
Gestalt Principles - closure
Gestalt Principles
ContinuationThis principle is that
contours based on smooth continuity are preferred to abrupt changes of direction. Here, for instance, we are more likely to follow the longer, smoother line than the shorter one which changes direction abruptly.
ContinuationThis principle is that
contours based on smooth continuity are preferred to abrupt changes of direction. Here, for instance, we are more likely to follow the longer, smoother line than the shorter one which changes direction abruptly.
Gestalt Principles
Continuationthe viewer's eye will follow a line or curve. The eye is pleased by shapes that are not interrupted but form harmonious relationships with adjoining shapes
Gestalt Principles - continuation
Gestalt Principles - continuation
Gestalt Principles - smallness
Smallness -Smaller areas tend to be seen as figures against a larger background.
Smallness -Smaller areas tend to be seen as figures against a larger background.
Gestalt Principles - Symmetry
Symmetry - symmetrical areas tend to be seen as figures against asymmetrical backgrounds.
Symmetry - symmetrical areas tend to be seen as figures against asymmetrical backgrounds.
Gestalt Principles
Figure/GroundThe fundamental law of perception which allows us to discern objects. The eye and mind separate an object (figure) from its surroundings (ground) Made possible by contrast.
Gestalt Principles
Figure/GroundThe fundamental law of perception which allows us to discern objects. The eye and mind separate an object (figure) from its surroundings (ground) Made possible by contrast.
Gestalt Principles - figure/ground
Structure and harmony
C.3100 B.C Sumerians structured pictographic tables by horizontal & vertical divisions into zones
Artists use highly elaborated systems to:– create perspective– scale their work– position compositional elements on the canvas
Sumerian cuniform inscription, C.3000 B.C.
Perspective in Leonardo’s Last Supper
Linear design. The interwoven, linear pattern of Leonardo da Vinci's panel painting "Virgin and Child with St. Anne," c. 1501-12. In the Louvre,
Paris. 1.68 m 1.3 m.
Linear design. The interwoven, linear pattern of Leonardo da Vinci's panel painting "Virgin and Child with St. Anne," c. 1501-12. In the Louvre,
Paris. 1.68 m 1.3 m.
Structure and harmony
Formal systems were used for more than just creating the illusion of depth and space
Systems evolved to allow the harmonious placement of pictorial elements on the canvas
One of the best known such systems is the Golden Section
Structure and harmony - the golden section
Based on the proportion 1: 618 Can be expressed as line (Golden Mean)
8 Units 5 Units
or as a rectangle (the Golden Rectangle!)
The Golden rectangle
A E
A B
C
E
FC
D F C
A B
D
Structure and harmony - the golden mean
Structure and harmony - the golden mean
The Golden Section in Architecture
Golden section can be applied to page layout. Here the print area is as deep as the full page is wide:
The Golden Section
. . . but only a few magazines and books can affordthis style of layout
Jerome’s Epistle to PaulinusGutenberg Bible, Mainz (1454-5)
Jerome’s Epistle to PaulinusGutenberg Bible, Mainz (1454-5)
Structure and harmony
In the Middle Ages, Scribes established many of the parameters and constraints used in layout and printing today. Columns, different font sizes, justification, pullout quotes and other “page furniture”
Invention of printing with movable type (C.15th) imposed a system of control over letters and other elements of page
The ‘formes’ stifled innovative use of structure, c.f Newspaper design
Newspaper design
In mid 1700’s text only be reproduced in columns of fixed width
– News was told as it was received by the newspaper– Columns were filled one one by one– Font were as small as 4.5 pt
Daily Mail 1890– By this time headlines, illustrations and adverts were
breaking across columns– Moving to a more horizontal format– Greater use of illustrations attracts the eye
Newspaper design - the modern era
The move from mechanical to photographic and computerised typesetting has produced:
Bigger fonts Different number of columns on the same page More ‘design’ ‘Quadrant’, ‘modular’ and ‘diagonal’ styles
But why hasn’t newspaper
design changed more?
What are Grids?
“In the world of print designing without a grid is like sailing without a compass. The grid gives physical reference points to the otherwise uncharted space on a blank page”
A system of 2-d guidelines for positioning elements in a layout
Helps ensure accurate alignment of elements within a single screen, and . . .
Consistent placement of elements that appear on multiple screens.
Grids in use - magazines
Grids
Grids on the web
Grids on the web
The Poynter EyeTrack Test
Aim: To find out what the visitors are really looking at
The Example
First Visit
The Results
http://www.poynter.org/eyetrack2000/
- “Every time a new page is looked at, the 1st element to be noticed and studied is the visual non-textual one”
- “Readers look 1st at the illustration, then at the headline, then at the copy”
- “The pictorial . . items are looked at first when a new page is revealed. They are glanced at and studied before the text and often before the title is read”
Conclusions New Media requires a lot of study for responsible use
Creation of web pages is a too serious business to be left to poorly trained graphic designers, especially when dealing with the psyche of vulnerable people
The very fact that, nowadays, it takes just minutes to start printing our first web page – does not mean that we became printers. The London Guild of Printers still requires 7 years of apprenticeship to accept a full member!
Looking for ideas in related pages (i.e. pharmaceutical companies) is not a bad thing to do as long as we know what is good design
Design has benefited already and has a lot more to benefit from the involvement of psychologists on the web