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PHTY3130 M1 > M1-L14a: Ax Tactile - How To > Flashcards

M1-L14a: Ax Tactile - How To Flashcards

1
Q

What is the tactile assessment in children like?

A

Quantitative assessment for tactile function in hands

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2
Q

What are the 7 tests for tactile perception?

A
  1. Single Point Localisation
  2. Static Two point Discrimination
  3. Moving Two Point Discrimination
  4. Double Simultaneous
  5. Stereognosis
  6. AsTex
  7. Temporal Order Judgement
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3
Q

What is a test for tactile registration/sensation?

A

Semmes Weinstein Monofilaments

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4
Q

What are the 6 things to consider for Tactile assessment?

A
  1. Goal of assessment
  2. Clinimetrics
  3. Equipment
  4. Method
  5. Scoring
  6. Interpretation
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5
Q

What is the goal of tactile registration using the Registration Semmes‐Weinstein Monofilaments?

A
  1. Assesses tactile registration (initial detection of tactile stimuli)
  2. Used in adult patients (stroke, peripheral neuropathy)
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6
Q

What is the tool of tactile registration using the Registration Semmes‐Weinstein Monofilaments?

A

20 monofilaments of graded stiffness

  • 1 = 1 skinniest (hardest) and 20 = 20 fattest (easiest)
  • 5 monofilament kit = better than nothing but does not see change
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7
Q

What is the stimulus of tactile registration using the Registration Semmes‐Weinstein Monofilaments?

A

3 dermatomes, 3 times each + 4 sham trials

  • Applied in a perpendicular direction and stop once the monofilament starts to bend
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8
Q

What is the scoring of tactile registration using the Registration Semmes‐Weinstein Monofilaments?

A

At least 1 correct on each finger tested + 1 sham trial to move onto the next level

  • Could just be saying that they can feel it
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9
Q

What is the goal of Unilateral Spatial Perception using Single Point Localisation?

A

Tests unilateral, unidermatomal spatial tactile perception

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10
Q

What is the tool of Unilateral Spatial Perception using Single Point Localisation?

A

Using largest monofilament (log 6.65)

So you don’t have to assess if they have recognition of tactile stimulus anymore, rather localise tactile sensation

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11
Q

What is the stimulus of Unilateral Spatial Perception using Single Point Localisation?

A

Four fingers tested on front / back / side

  • When they identify it, they need to have the blindfold off
  • Test if they can localise rather than orientation
  • Prefer using the screen –> easier to indicate and they can still see the rest of the environment
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12
Q

What is the response of Unilateral Spatial Perception using Single Point Localisation?

A

Required to indicate finger and position

Need to know how they report:

  1. Point/ find it (these ones might have more difficulty)
  2. Tell
  3. Show (wiggling)
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13
Q

What is the scoring of Unilateral Spatial Perception using Single Point Localisation?

A

Number correct from 12 trials

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14
Q

What is the goal of Unilateral Spatial Perception when using Two Point Discrimination?

A

Unilateral spatial tactile perception

  • One is static and one is moving
  • Easier in the moving as will recruit a little more mechanoreceptors
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15
Q

What is the tool of Unilateral Spatial Perception when using Two Point Discrimination?

A

‘Disk-Criminator or paper clips (just more tricky to execute)

  • This can be a bit needle-like
    • Child can be more nervous –> try this on
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16
Q

What is the stimulus of Unilateral Spatial Perception when using Two Point Discrimination?

A

Static and Moving test with pressure to the point of blanching

17
Q

What is the scoring of Unilateral Spatial Perception when using Two Point Discrimination?

A

Record minimum distance (mm) at which the child correctly achieves 7/10 trials

  • Start at 4-5 mm (edge of typical performance)
18
Q

What is the goal of Bilateral Spatial Perception when using Double Simultaneous?

A

Bilateral multi-dermatomal spatial tactile perception

19
Q

What is the tool of Bilateral Spatial Perception when using Double Simultaneous?

A

2 suprathreshold monofilament-like devices

  • 6.6 mm monofilaments or same monofilaments (eg. bristles, kebab stick)
20
Q

What is the stimulus of Bilateral Spatial Perception when using Double Simultaneous?

A

Pseudorandom order (24 trials)

  • four fingers (2 x 4 trials)
  • each bilateral pair (4 x 4 trials)

Hardest one to execute as need to hit at the same time

Other tests –> You can hold their hand in supination

Can also do on dorsum (if child can’t supinate and no one to sustain a hold)

21
Q

What is the scoring of Bilateral Spatial Perception when using Double Simultaneous?

A

Number correct /24

  • Error –> write it down
  • Registered on both side but defaulted to localise on the unaffected hand
22
Q

What is the goal for Active multidermatomal using spatial perception?

A

Active multidermatomal spatial perception

  • Use movement to gain information
  • Memory past experience (holding ojects)
  • Generally can be an advantage or a disadvantage
23
Q

What is the tool for Active multidermatomal using spatial perception? What is a progression of this?

A

9 objects identified: 3 similar pairs and 3 random objects

  • Coin and a button, pen and pencil, safety pin and paper clip
  • Spoon, peg and ball

Test where you can also feel shape (while texture and temperature is the same)

24
Q

What is the stimulus for Active multidermatomal using spatial perception?

A
  • Tester moves objects in child’s hand
  • Child also allowed to manipulate
25
Q

What is the scoring for Active multidermatomal using spatial perception- sterognosis? What are some inaccuracies?

A

Number correct /9

<3 is atypical ?

Inaccuracies:

  • Towel under the objects (can hear when you pick them up)
  • Temperature (eg. cold = coin)
26
Q

What is the goal of Texture Perception using AsTex?

A

Unilateral texture perception

27
Q

What is the tool of Texture Perception using AsTex?

A

AsTex

28
Q

What is the stimulus of Texture Perception using AsTex?

A

Child moves pad of index finger, then thumb and 5th digit along the surface of device (with guidance from tester) and stops as soon as it feels ‘smooth’.

29
Q

What is the scoring of Texture Perception using AsTex?

A

Mean of three trials calculated and converted to tactile discrimination index.

30
Q

What is the goal for Temporal Order Judgement?

A

Bilateral temporal perception

Also used in adult stroke population post stroke

31
Q

What is the equipment for Temporal Order Judgement?

A

Laptop with LABview, large & small speaker set.

32
Q

What is the stimulus for Temporal Order Judgement?

A

pairs of tactile stimuli to index fingers, at different stimulus onset asynchronies

  • pairs of tactile stimuli to index fingers, at different stimulus onset asynchronies
33
Q

What is the scoring for Temporal Order Judgement?

A

Point of Subjective Simultaneity (PSS); Just Noticeable Difference (JND)

34
Q

What are the 3 tactile assessments to prioritise if you only have 10 mins?

A
  1. Always assess tactile registration
    • If they can’t –> can be dangerous, most likely that they have significant deficits in other tactile assessments
  2. Always assess single point localisation
    • Unimanual tasks
  3. Always assess double simultaneous
    • Bimanual tasks
35
Q

What is the 1 tactile assessment to prioritise if you only have 2 mins? Why?

A

Single Point Localisation

Unimanual tasks (where am I being touched on one hand0

  • If well –> minimal problems
  • If poor –> not sure how much but will know there is a problem

PHTY3130 M1 (20 decks)

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