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In the Middle
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In this game-like activity (5th activity on the page), learners explore their auditory acuity as well as the importance of having two ears.

Dark Adaptation
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In this activity (6th on the page), learners investigate how photoreceptors in the eye (rods and cones) "adapt" to low light conditions.

Mystery Noises
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In this game (4th activity on the page) about hearing, learners test their ability to identify various sounds without looking.

Colors, Colors?
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In this activity related to the famous "Stroop Effect," learners explore how words influence what we see and how the brain handles "mixed messages." Learners read colored words and are asked to say th

The Blind Spot
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In this activity (1st on the page), learners find their blind spot--the area on the retina without receptors that respond to light.

Half Full or Half Empty
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In this activity (12th activity on the page), learners conduct an experiment to demonstrate how muscles are constantly feeding information to the brain about what they are doing.

No Saliva, No Taste?
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In this activity (4th activity on the page), learners test to see if saliva is necessary for food to have taste.

Color Spy
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In this activity (16th on the page), learners play a variation of the "I Spy" game to explore color. Learners work in teams with each team assigned a color.

The Ups and Downs of Body Temperature
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In this activity (1st on the page), learners explore circadian rhythms by keeping track of their body temperature.

Pitch, Roll and Yaw: The Three Axes of Rotation
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In this activity (page 87 of the PDF), learners move their bodies to better understand the three axes of rotation: pitch, roll and yaw.

Auditory Acuity
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This activity (8th activity on the page) tests learners' ability to identify things using only the sense of hearing.

How Fast Are You?
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This activity is designed to let learners measure their reaction time or response time to something they see.

Benham's Disk
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In this activity, learners make a Benham Top to explore visual illusions and optics.

Depth Perception
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In this easy demonstration (3rd on the page), learners explore depth perception by conducting a test with two pencils.

Building a Magic Carpet
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In this activity (page 89 of the PDF), learners compare and contrast pitch and roll motions by using a Magic Carpet maze similar to one that was used for Neurolab investigations about microgravity.

A Penny Saved is a Penny Heard
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In this activity (11th activity on the page), learners use pennies to test their hearing acuity.

Seeing in the Dark
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In this activity (17th on the page), learners investigate why you cannot see colors in dim light.

Accommodating Accommodation
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In this demonstration (18th on the page), learners conduct a simple test to explore how the cornea refracts light, which is further bent by the eye lens through a process known as accommodation.

Model Eardrum
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In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.

Building a 3-D Space Maze: Escher Staircase
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In this activity (page 95 of the PDF), learners create Escher Staircase models similar to those that were used by Neurolab's Spatial Orientation Team to investigate the processing of information about