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55 Cards in this Set

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T or F. Top-down processing is primarily attuned to detecting edges of large shapes.

False

Bottom-up Processing

- Relies on low level feature processing to build patterns, and recognize objects.


- ex: toddler and dog, car, and meeting


- Picks up on edges, differences in color, motion, and depth cues.

the "Door Study"

Showed that people don't notice changes outside their field of attention.

Top-Down processing is good for :

Goal-directed tasks/ eye movements

Visual Perception is:

Processes that govern response to visual stimuli

name three things that call for a sense of goal-driected eye movements.

word search puzzle, menu, map.

T or F. Foveal Vision helps us navigate through space quickly, without banging into things.

FALSE

T or F. Peripheral vision is used for reading

False

A fixation is...

An act of visual attention focused on a specific object.

A saccade is...

The rapid movement of the eye from one object of interest to another.

About how many objects can our visual working memory hold in attention to any one time?

Three

T or F. Spacial grouping can be used to create pop-out

True

T or F. The anatomy of our visual system is designed to detect what is abnormal or novel.

True

T or F. everyone has essentially the same visual perception.

False

What are 3 of the most effective pre-attentive Feature Channels?

Motion, Shape, Color

Visual Perception is ...

Processes that govern response to visual stimuli

Our retinas are...

Essentially 2d but curved.

How many levels of variation are optimal in each feature channel?

3

T or F. The absence of pre-attentive feature is easier to detect than its presence.

False

The "What" pathway

Closely related to Bottom-up processing

The "Where" Pathway

- Closely related to top-down processing


- uses rapid saccades to identify the next item of interest, based on memory, peripheral vision, and active searches.

Pre-attentive Feature Channels

Can be used by designers in the planning of eye movement.

New Model of Vision

Theorizes that evolution has biased our systems toward efficiency

Old Model of Vision

Suggests we record everything we see then recall it later from memory.

"Just in time" processing

Links Perception and action closely.

T or F. Color is more fundamental to feature and pattern than is tone.

False

T or F. Humans can pre-attentively detect up to 3 feature channels, among multiple objects, at the same time, using the pop-out effect.

False

The Xbox 360 controller works well because the buttons use...

each symbol differs from the others on several feature channels. (color, size, spatial grouping, and stereoscopic and tonal depth cues).

in figure/ground compositions

- the positive and negative roles should be nearly equal.


- Multiple readings create interest


- the shape of the negative space is as important as the shape of the positive space.


- the active and passive areas need not be black and white.

Good Gestalt

By eliminating visual info that our minds are free to create meaning

Law of Continuity

- Predicts Preference for continuous figures


- Intersects


- if objects are aligned, we see them as a whole.



Law of Proximity

- when objects are spaced in a uniform way, we perceive them as a group.


- spacial or temporal proximity of element may induce mind to perceive a continuity


- (temporal=time)

Law of similarity

- if objects are similar, we see them as groups.


- form, color, size, orientation, brightness, tone.

Law of Closure

- positive/negative space


- we see objects as a whole, even when they are incomplete.


- if part of an image is missing, we fill in the gaps.

Law of Symmetry

- We see objects as a symmetrical form when around a center point.


- When 2 symmetrical elements are unconnected, the mind connects them to make a coherent shape.

Law of Common Fate

-Objects are perceived as lines that move along the smoothest path.


- elements with same moving direction are perceived as a collective or unit.

Law of Past Experience (isomorphism)

- if objects are under some circumstances, categorized among past experience they are perceived together.


- grouped together/ close proximity.

we tend to organize our visual experience in a manner that is ...

regular, symmetric and simple.

T or F. The overall principle of Gestalt asserts that the sum of the parts is greater than the whole.

False

Optical illusions can be

Physiological or cognitive in nature.

Physiological illusions

Based on low level artifacts of visual input or processing hardware or "noise" in the system.

Cognitive Illusions

- The gestalt principles


- our desire to make sense of sensory input.

The key parts of contour boundaries for the perception of objects are...

Wherever the contours make a sharp change in direction.

T or F. Proximity plays a little part in typographic layout design.

False

In tasks which involve matching, we can compare features, one by one, or try comparing the overall .........

Gestalt

Color coding in maps and data visualizations relies on which of these Gestalt Principles

Law of Similarity

In both McKim's essay on Visual Thinking and Gestalt, pattern is defined as

Perceived Organization

Visual experience involves......

The integration of vision, cognitive and behavioral phenomena.

Pattern completion involves _______ of the mind and eye

The custructive activity

Determining the direction of rotation in a drawing representing several connected belts and pulleys...

uses kinesthetic thinking

pattern finding permits the viewer to...

See the whole and not just the sum of the parts.

The solution to the "rotating dice problem" describes my Mckim requires an operation simlar to the orthographic imagination, involving....

the ability to imagine how a solid object looks from several directions.

Humans are better at visual pattern recognition than computers because

Humans are capable of quickly scanning images as a whole, instead of checking every detail.

Which one of the gestalt laws helps us the most when imagining and filling-in partially completed patterns?

Law of closure

Temple grandin was able to design successful equipment for cattle, in part, because she...

used her imagination to put herself in the cows' place and visualize how cows would see.