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Cog Exam 1 > Visual Perception > Flashcards

Visual Perception Flashcards

1
Q

What is visual perception?

A

Brain’s ability to make sense of what the eyes see

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2
Q

Diagnosis with high risk for perceptual challenges

A

SPD or Learning
Stroke
TBI
CP

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3
Q

Visual analysis skills

A

Skill that help your brain understand what your looking at
How we analyze details

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4
Q

Visual-Spatial relations

A

Spatially related to yourself and other things in the environment

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5
Q

Abstract visual form system

A

Using the ventral stream
Stored and processed in nonspecific order
Really quick info to make designs about movement

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6
Q

Specific Visual Form System

A

Uses Dorsal Stream
Slower and more detailed
used to distinguish specific aspects of a form

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7
Q

Form Constancy

A

look at the details of stimuli and be able to recognize it no matter the orientation
Ex.) knowing words no matter font or color

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8
Q

Visual Discrimination

A

Ability to be aware of and distinguish features of form
Needed to recognize common objects
Utilizes details of color, shading and texture

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9
Q

Figure Ground

A

locate things in the foreground and ignore the background
Need depth perception, visual memory and fixation

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10
Q

Visual Closure

A

Able to determine what an object is even if a part is missing
Correlates with cognitive skills most
Develops later than other areas

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11
Q

Visual Memory

A

Being able to recall past information
Long term- integration of info from previous experiences
Short term- hold info briefly (30 sec)

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12
Q

Sequence of Spatial Relations Development

A
  1. Awareness of own body
  2. Understanding one object to another 3D
  3. understanding relation of 2 D objects
  4. Develop awareness of before applying (up, down, over, under)
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13
Q

What lobe is related to Spatial relation deficits

A

parietal lobe

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14
Q

Where does body awareness behin

A

Bilateral integration
Brain using both sides of body at the same time

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15
Q

Monocular cues for depth perception

A

Accommodation
Sharpness of focus
Object coming towards you appears larger
vividness of color

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16
Q

Binocular cues for depth

A

Need 2 eyes to align
Size and shape of image are compared and merged
Convergence, proprioceptive info from eye muscles tells us distance

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17
Q

When does depth perception begin

A

3 months of age and continues to develop until age 6-7

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18
Q

Topographical Orientation

A

Ability to follow a familiar route
Follow and drawing a map
Is an advanced perceptual and cognitive skill
Requires many perceptual skills

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19
Q

Kids intervention for discrimination

A

sorting objects based one characteristic
puzzles- begin with inset
Find the same letter or design
\

20
Q

Restorative Visual Discrimination intervention

A

Multi-sensory approach
sorting kitchen utensils
using tactile approaches to feel before completing task

21
Q

Adaptive intervention for Discrimination

A

upright orientation for best recognition
Organize and keep items in same location
Label items

22
Q

Developmental intervention for figure ground

A

I spy
Find it activities
toys scattered in room/ bin

23
Q

Restorative Intervention for Figure ground

A

Scatter items and have client find specific item
Occupations such as grocery shopping
Word search

24
Q

Adaptive Intervention for Figure Ground

A

Reduce number of items
organize draws
mark items with bright tape
create contrast
fewer items on a page

25
Q

developmental intervention for spatial relations

A

obstacle courses
label left and rights
directional words paired with movement
work on 3D before 2D

26
Q

Restorative Intervention for spatial Relations

A

Label themself based on objects
have client retrieve items based on cues
client names locations of items in environment

27
Q

Adaptive intervention for spatial relation

A

Organize environment
label items and location of items
put objects away in a set location

28
Q

Restorative intervention for depth perception

A

tactile and kinesthetic input- feeling distance before performing
tactile cues for convergence activities

29
Q

Adaptive Intervention for depth perception

A

Bright colored tape on stairs
When during feel for edge of hip
Educate- especially for safety

30
Q

Developmental/Restorative for Topographical Disorientation

A

Children-practive navigating using map for school or obstacle course
begin with simple route
Draw map of area client will be

31
Q

Adaptive intervention for topographical disorientation

A

identify helpful landmarks along routes
place signs to help client navigate

32
Q

24 wks gestation vision

A

anatomy of eyes and visual pathways present
no input

33
Q

5th month gestation

A

eye movements from input to vestibular system

34
Q

Birth

A

Retina is not mature
acuity is about 20/200-400
Reflexive tracking
Preference for black and white

35
Q

1 wk vision

A

show differential response to patterns
attend to more faces and patterns

36
Q

3 months of age vision

A

accommodation begins to develop
convergence and oculomotor skills developed
continue to respons to contrast and complex stimuli
associate visual stimuli with event

37
Q

4 moths vision

A

can group object by shape and proximity

38
Q

5-6 months vision

A

Visual guided reaching
can visually explore object in hand

39
Q

9 months vision

A

can see small object nearby
watches faces
differtinates polpe and places
Vision motivates movement

40
Q

2 years vision

A

eye can track in all directions
normal acuity
matches objects
can point to objects

41
Q

3 years vision

A

completes simple form board and simple puzzles

42
Q

5 years vision

A

accommodation and contrast fully developed
figure ground spurt

43
Q

6-7 years vision

A

form constancy improves should see handwriting improve

44
Q

7-9 years old

A

position in space at mature level
should be able to align and form letters

45
Q

When is visual acuity best

A

18

46
Q
A

Cog Exam 1 (5 decks)

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