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1
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- Materials and Apparatus: von Frey-type aesthesiometer
- Procedure:
- Press bristle until it flexes slightly.
Hold for 2 seconds
- Then subject report whether they can feel it or not
- Use MOL: 3 ascending and 3 descending staircases
- 8 sites: volar pad of index
finger, pack of hand, top of forearm, bottom of forearm, lips cheek,
back of neck and calf
- Results
- Graph and compare to data in text.
What is most sensitive?
Why?
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2
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- Materials and Apparatus: three point or two point aesthesiometer
- Procedure:
- Pick three regions from experiment I, one of low sensitivity, moderate,
and high sensitivity.
- Lightly touch with both points.
Subject reports if feels one or two.
- MOL: 3 times. Start new stair
case 5 mm beyond where stop.
- Results:
- Graph in bar graph, compare to last results, those in book.
- Why might these sensitivities change this way.
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3
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- Materials and Apparatus: 2 water pans, immersion heater, thermometer,
heat cylinders, handles, ink pad, grid stamp
- Procedure:
- Underside of arm. Apply stamp,
use two one a sheet of paper for recording, one for cold probes and one
for warm.
- Cold water 55-65 F, and warm is 110-120F
- Draw out probe, dry, apply to a dot on grid, record response. Do a few with that probe, not in any
particular order.
- Alternate temp probes every few trials
- Results:
- Big diagram and summarize the data
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Notes
