vision / somatosensation

Question 1

visual acuity

Answer 1

how clearly we see

Question 2

visual processing

Answer 2

refers to accurate input and integration

guides motor output

Question 3

two systems of visual processing

Answer 3

spatial, ambient: magnocellular

object, focus: parvocellur

Question 4

spatial ambient vision

Answer 4

magnocellular
where am I, where is it

proactive
fast, subconscious

Question 5

object, focal vision

Answer 5

parvocellular

what is it
reactive
slower, detailed, object ID

Question 6

role of vision in movement

Answer 6

provides exertnal cues for verticality / motion detection

Question 7

visual info better for __ movements, and __ contorl

Answer 7

slow

feedforward

Question 8

feedforward control

Answer 8

proactive anticipatory

Question 9

feedback control

Answer 9

reactive componsentory

Question 10

APA

Answer 10

ability to predict upcoming obstacles

Question 11

CPA

Answer 11

react to unanticipated dirsuptions

Question 12

behaviour signs impaired vision in mobily

Answer 12

postural sway
falls
hesitancy to go out at night 
walks slowly
hits things
uses somatosensory / auditory cues to navigate obstacles

Question 13

behaviour signs may present with UE use

Answer 13

inaccurate reaching

Question 14

post traumatic vision syndrome

Answer 14

eyes drifting
double blurred vision
light sensitve
concentration difficulties

Question 15

___ common in post traumatic vision syndrome

Answer 15

over focalization

Question 16

over focalization

Answer 16

detail first
spatial awareness second

trouble releasing fixation
trouble switching from focal to spatial systems or using both together

Question 17

Visual midline shift snydomre

Answer 17

after TBI or CVA
spatial visual process changes it orientation
both lateral and traverse midline affected

Question 18

are both lateral and transereev midline effected in visual midline shift syndrome

Answer 18

yes

Question 19

is VOMS a sideline assessment

Answer 19

no its screening tool for mTBI and concussion

Question 20

intervention for impaired vision

Answer 20

maximize visual inputs
, somatosensation to compensate, vestibular input if balance impaired

CNIB referral
visual therapy

Question 21

example if maximizing use of visual inputs

Answer 21

eye path for diplopia

gaze stability exercises

Question 22

example of use of somatosensation to compensate

Answer 22

walking aid

Question 23

somatosensation

Answer 23

collective term for 
touch temp 
body position
pain vibration
pressure

Question 24

how is somatosensation recognized

Answer 24

mechanorecepotrs
thermoreception
proprioception
nociception

Question 25

what does pain n temp tract

Answer 25

lateral spino thalmist

Question 26

vibration and position sense from tract

Answer 26

dorsal

Question 27

individuals with somatosensation impaired could have

Answer 27

``` hypersensitive hypo sensitivity numbness neuropathic pain complex regional pain dec prop, touch ```

Question 28

somatosensation imparied at risk for

Answer 28

pressure sores and burns

Question 29

somatosensation provides info on

Answer 29

body position in reference to supported surface | relationship body segs to one another

Question 30

____ enabled by interaction of sensory and motor systems

Answer 30

stereogensis

Question 31

how does somatosensation in postural control

Answer 31

orientated / posture

Question 32

T/F somatosensation is necessary for skill acquisition

Answer 32

t

Question 33

t/f the role of afferent input changes based on type of learning

Answer 33

true (i.e fast or slow, visually guided or not)

Question 34

behaviours suggesting impaired somatosensation

Answer 34

``` balance spontaneous use of limb sensory ataxia can't sustain a contraction (grip_ can't learn new skills but can do old ```

Question 35

assessment for somatosensation

Answer 35

light touch temp pain (sharp dull) joint position sense

Question 36

intervention for impaired somatosensation

Answer 36

``` educate on limb protection / skin care maximize cog / somatosensory input maximize vestibular input education on evneiorment adaptive equipment increase confidence ```

Question 37

example convictive somatosensory input

Answer 37

imagery | mirror

Question 38

how to maximize use of available somatosensation

Answer 38

``` LE balance minimize edema promote active movement promote changes in sensory stimule desensitize hyper sensitivity ```

Question 39

how to maximize visual input

Answer 39

look at hand before reaching look ahead to future foot placement declutter night light

Question 40

how to maximize use of vestibular inputs

Answer 40

train balance with eyes closes

Question 41

what might you educate your client on with impaired somatosensation

Answer 41

dark rooms | hot stoves