DYNAMIC VISUAL SKILLS Flashcards

1
Q

The Message

A

We live in a Dynamic Visual Environment.
Our safety and performance depends on us accurately gathering visual information that is dynamic - in motion or changing.

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2
Q

The second message.

A

Our brain is designed to interface with the outside world to predict, detect and process moving and changing visual information.

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3
Q

DAI

A

**DAI – DIFFUSE AXONAL INJURY **

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4
Q

How does our brain interact with the outside world that is constantly changing and moving?

A

Our brain is designed to interact with the outside world to PREDICTING, DETECTING AND PROCESSING moving and changing visual information.

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5
Q

What is the critical component in the definition of a concussion?

A

A measurable disruption of the normal functioning of the brain following a blow to the head.

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6
Q

What is the static vision?

A

Processing visual information that is not moving.
It is stationary

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7
Q

Examples of static vision

A

Looking at a photograph, identifying the color of an object.

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8
Q

What is dynamic vision?

A

Processing visual infomraiton that is moving.

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9
Q

Example of activities in a dynamic visual enviroment

A

sports, driving, dancing, moving through a moving enviroment

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10
Q

Examples of the role that dynamic vision plays in our everyday life

A

allows us to
Navigate through our enviroment
Interact with moving objects
Coordinate our movement in relation to our surroundings

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11
Q

What is a saccade?

A

A rapid eye movement

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12
Q

What is the propose of a saccadic eye movemnt?

A

To explore our visual enviroment
To scan our surroundings and focus on important visaul informaiton

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13
Q

We use a saccadic eyemovements for what activities?

A

reading,
driviing
playing sport particualary ball sports
moving through crowded enviromants

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14
Q

What is a ocular pursuit?

A

A continuous smooth eye movement

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15
Q

Why is a pursuit needed?

A

To track a moving object

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16
Q

Examples of when we use the smooth pursuit?

A

to TRACK a moving object
a bird or an airplane flying in the sky
tracking a ball
tracking a car or biker moving down the road
tracking a walker or animal

17
Q

Is attention a dynamic visual skill?

A

Yes, it involves selectively focus on relevant stimuli while filtering our distractions

18
Q

What is Vergence?

A

A dynamic visual skill that allows us to perceive depth

19
Q

How does Vergence help us in a dynamic visual world?

A

It continously adjusts the two eyes to precisely converge or diverge to locate how far objects are from us

20
Q

What is the difference between the DORSAL stream and the VENTRAL stream

A

Dorsal is dynamic
Venral is static

21
Q

Value of symptom survey

A

standardized way to assess presence and severity of concussion sysmptoms