Become a Neurologist: Detective Threshold

Source Institutions

Source Institutions

Add to list Go to activity
Activity link broken? See if it's at the internet archive
In this neuroscience activity (4th activity on the page), learners make their own set of Von Frey hairs to test detection thresholds. Learners use various thicknesses of monofilament fishing line, glue, and a popsicle stick to build the apparatus and then test it with a partner.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
5 to 10 minutes

Estimated Materials Cost:
$1 - $5 per group of students

Age Range:
Ages 8 - 18

Resource Type:


Materials List (per group of students)

  • Monofilament fishing line
  • Popsicle sticks
  • Glue
  • Blindfold
  • Scissors


  • Engineering and Technology
    • Technology
      • Medical Technology
  • Life Sciences
    • Human Body
      • The Brain and Nervous System
      • Muscles and Skin
    • Human Senses and Perception
      • Touch
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations


To use this activity, learners need to:

  • see
  • touch

Learning styles supported:

  • Involves hands-on or lab activities


This resource is part of:

Access Rights:

  • Free access


  • Chudler, Ph.D., Eric H.


  • All rights reserved, Eric H. Chudler, 2009