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Sensation/Perception Sensation/Perception

Sensation/Perception - PowerPoint Presentation

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Sensation/Perception - PPT Presentation

AP PSYCH 42S 15 Daniel B amp HaoYi S Guess which term the picture correlates to Prev Gesalt Where one perceives an entire image before recognizing individual parts Prev figure ground ID: 598938

illusion prev visual relative prev illusion relative visual object objects perception size perceptual grouping appears arch smaller closer perceived

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Slide1

Sensation/Perception

AP PSYCH 42S (15) ~ Daniel B. & Hao-Yi S.Slide2

Guess which term the picture correlates to.Slide3

Prev

: Gesalt

Where one perceives an entire image before recognizing individual partsSlide4

Prev

: figure ground

A part of Gestalt psychology, it is the ability to differentiate between a figure and the backgroundSlide5

Prev

: Grouping-connected

Where objects with similar elements are grouped together when perceived, particularly when they are aligned spatially Slide6

Prev

: Grouping-continuity

When objects are perceptually grouped together if they form a pattern is both simple and orderly, and easy to distinguishSlide7

Prev

: Grouping-Similarity

Where a group of objects that are similar in characteristic are perceptually grouped together, such as a row of identical shapesSlide8

Prev

: Grouping-Proximity

Where objects that have symmetrical properties are often perceived as gathering around a center point Slide9

Prev

: Grouping-Closure

The tendency to perceive things such as numbers, shapes, lines, as a whole even though they are not completeSlide10

Prev

: Visual Cliff

A experiment designed by psychologists Eleanor J. Gibson and R.D. Walk at Cornell University in order to investigate depth perception abilities of humans and other animal species Slide11

Prev

: Retinal Disparity

The impression and difference in depth perception when viewed by a person with regular binocular vision (both eyes)Slide12

Prev

: Monocular Cues

Cues that provide depth perception information when only one eye is being used. Slide13

Prev

: Relative Height

A perceptual cue where things such as horizon or other objects are used to gauge the relative height of the object being focused onSlide14

Prev

: Relative size

The use of other objects in near vicinity to gauge the relative size of the object in focus.Slide15

Prev

: Interposition

A visual signal where an object that is in the foreground is perceived as closer when it overlaps with an object in the backgroundSlide16

Prev

: Linear Perspective

When an object appears visually smaller when the visual angle decreasesSlide17

Prev

: Light and Shadow

The use of shades of light and shadow as indicators of depthSlide18

Prev

: Relative Motion

The perception of motion relative to the observers position and focus

http://

www.youtube.com

/

watch?v

=L2-swEdDXsc&safe=activeSlide19

Prev

: Phi Phenomenon

The apparent motion of an object due to blinking lights. As the lights blink, the mind fills in the blanks, creating the perceptual illusion of movement Slide20

Prev

: Shape/Size Constancy

Our ability to recognize that the shape of an object doesn’t actually physically change, even if we perceive it visually as so.Slide21

Prev

: Lightness Constancy

The tendency for a visual object to be perceived as having the same brightness under widely different conditions of illuminationSlide22

Prev

: Colour

ConstancyThe subjective human perception of different shades of colours. In the example above, the 50 shades of grey are all the same

colour

Slide23

Prev:

St.Louis

Gateway to the west arch illusion

In the St. Louis arch illusion, the arch appears taller then it is wide, this is due to visual subjective size constancy (i.e. the objects like clouds are closer above but further away below but the arch is the same distance to you in the picture. Therefore the higher clouds look like the arch is smaller up there and therefore further)Slide24
Slide25

The

ponzo

illusion is created by having visual cues that make something look further then it really is therefore in a 2-D image the bars look smaller close up even thought they are the same size.

Prev

: Ponzo illusionSlide26
Slide27

Prev: Ames illusion

The Ames illusion is created by giving the viewer only a single viewing angle. While inside two individuals of similar height stand apart on in a room where the floor, ceiling and the walls are angled allowing the room to look normal while letting one individual to stand closer to the viewing hole. Therefore he looks closer.Slide28
Slide29

Prev

: Human Factor Psychology

Human factor psychologists design things to be more ergonomic and work with designers to ensure that products are safe and easy to use.Slide30
Slide31

Prev

: Moon Illusion

Like the ponzo illusion the moon doesn’t change size however it will appear bigger on the horizon because it will appear further relative to how it appears if it was straight up in the sky. As a result it appears bigger due to the proximity to visible things in the distance, and the lack of relative visual cues in the sky above.Slide32
Slide33

Prev

: Sensory Deprivation

When a persons senses are restricted or taken away via use of physical paraphernalia or other means, such as depriving a person of sight through use of blindfold. Slide34
Slide35

Prev

: Restored Vision

After cataract surgery

blind

adults

were

able

to

regain

sight. These

individuals

could

differentiate

figure

and

ground

relationship

however

had

difficulty

discriminating

a

circle

and

a

triangle

(Von

Senden

, 1932)Slide36

Perceptual Adaptation

Wearing a special lens we will eventual adapt to this new visual world however the world is still appears as it is adapted so therefore our motor abilities adapt and so does our brains controlSlide37

Perceptual set: Context effects

The premise is that our preset schemas affect what we see and hear. We may see things differently if we are in a different context, or environment.Slide38

Perceptual set: Emotion and motivation

Our perceiving ability is affected by our emotions (if in a slump a baseball may see the ball as a smaller target then it really is).

Doing well…