day twelve: visual information processing Flashcards

1
Q

visual perception is a ____process

A

developmental process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

the visual perception is the total process responsible for the

of visual stimuli

A

reception - sensory
congition - mental function

of visual stimuli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

This FOR addresses the child who is unable to

A

efficiently process and utilize visual input

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

numerator

A

represent the distance at which a subject recognizes a stimulus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

denominator

A

the distance at which the letter being viewed could e identified by a person with normal visual acuity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

visual acuity ensures that

A

visual information is sent to the CNS accurately

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

oculomotor control

A

ability of the extrinsic eye muscles to move the eye

- which ensures that a scan path is accomplished

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

accomodation

A

the ability of the eye to compensate for blurred vision

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

binocular fusion

A

ability to combine two images from both eyes into one image

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

steropsis

A

binocular depth perception (ability to detect 3 dimensional vision)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

convergence/ divergence

A

ability of the eyes to move inward (medially) or outward (laterally) simultaneously

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

fixation

A

ability of the eyes ot maintain a focused gaze on an object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

smooth pursuit

A

ability of the eyes to maintain a steady fixation of an object in movement across a scan path (tracking)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

saccadic movements:

A

ability of the eyes to quickly shift gaze from one point to another point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

visual attention

A

the thoroughness of the focus to visual information

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

visual attention requires:

A

alertness selective attention visual vigilance and divided or shared attention

17
Q

visual memory

A

the mental manipulation of visual information needed for visual cognition and requires the ability to retain the information in memory of immediate recall or to store for later retrieval

18
Q

visual discrimination

A

the ability to detect distinctive features of a visual stimulus is different from or the same as others. it involves:
- recognition
matching
sorting

19
Q

the three things at the bottom of the hierarchy structure:

A

oculomotor control

visual fields visual acuity

20
Q

oculomotor control

A

efficient eye movement ensures the scan path is accomplished

21
Q

visual fields

A

register the complete visual scene

22
Q

scanning

A

the ability of the retina to record all of the details of the scene systematically through the use of the scan path

23
Q

pattern recognition

A

ability to store information in memory requiring pattern detection and recognition
- identify salient features of an object including configurable aspects

24
Q

visual cognition

A

ability to mentally manipuate visual information and integrate it with other sensory information to solve problems formulate plans and

25
Q

from constancy

A

the recognition that forms and objects remain the same in various environments, positions, and sizes

26
Q

visual closure:

A

identification of forms or objects from incomplete representations

27
Q

figure ground

A

is the ability to perceive a from visually and to find this form hidden in a conglomerated ground or model

28
Q

position in space

A

the determination of the spatial relationship of figures and objects to oneself or other forms and objects

29
Q

spatial relations

A

the analysis of forms and patterns in relation to one’s own body and space that helps judge distance

30
Q

depth perception

A

the determination of relative distance b/w objects figures or landmarks and the individual as well as changes in planes of surfaces

31
Q

topographical orientation

A

the determination and connection of the location of objects and settings and the route to the location

32
Q

esotropia

A

eyes turn in

33
Q

exotropia

A

eyes turns out

34
Q

hypertropia

A

eyes turns upward

35
Q

hyoptropia

A

eyes turn downward

36
Q

phoria

A

tendency for the eyes to turn that is controlled at all times with muscular effort