Presentation on theme: "Inductive Lab: Sensory Nerves Objective: Determine that the sensory nerve endings have different distribution in the body."— Presentation transcript:
Inductive Lab: Sensory Nerves Objective: Determine that the sensory nerve endings have different distribution in the body.
Materials Ruler, Paper Clips, Blindfold 1)Prepare the paper clips by bending it to form a U-shaped (from no separation to increments of 2mm all the way to 10mm.) 2 ) Blindfold one partner and mark with one spot in your partners arm. 3 ) Lightly touch the ends of the paper clips (make sure to use the paper clips in random order) on the marked spot. 4) Ask your partner, Do you feel two ends touching you? Record their response (Yes or No). 5) Perform 3 trials (each trial means using all 6 paperclips in random) 6 ) After finished with arm, do the same steps for your partners fingertips, leg.
Data Table: Question: Do you feel two ends of the paper clip? Answer: Yes or No Increments (mm) ArmFinger tipsLeg Trial 1 Trial 2 Trial 3 Trial 1 Trial 2 Trial 3 Trial 1 Trial 2 Trial 3 0 mmNo 2 mmNo YesNo 4 mmNo Yes No 6 mmYes No YesNo YesNo 8 mmYes No Yes 10 mmNoYes No Yes >10mmNo YesNoYesNoYes No Min. Distance 668442868 Average6.67 mm3.33 mm7.33 mm
Class Data Body Part Group Data (mm) 12345678910 Class Average Arm 184.108.40.206.220.127.116.11.86.26.05.9 Finger Tips 3.33.94.02.18.104.22.168.22.93.4 Leg22.214.171.124.126.96.36.199.188.8.131.52