Sensation Measures
NIH Toolbox® Sensation Measures
The NIH Toolbox Sensation Measure, recommended for ages 7+, consists of tests to assess Audition, Visual Acuity, Olfaction, Taste (Ages 12+), and Pain (Ages 18+).
The NIH Toolbox Early Childhood Sensation Measure, recommended for ages 3-6, includes measures of Visual Acuity and Olfaction.
NIH Toolbox Sensation Measure – Ages 18+
Construct | Measure | Description | Test Time (minutes) |
Materials Required | Preview | Manual | eLearning |
Audition | Words-in-Noise (WIN) Test Age 6+ | Measures a person’s ability to recognize single words amid varying levels of background noise, measuring difficulty a person might have hearing in a noisy environment. A recorded voice tells the participant to listen and repeat words. Background noise gets louder, reducing the signal-to-noise ratio. | ![]() |
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Watch Demo Video | Read User Guide | View Online Training |
Vision | Visual Acuity Test Age 8+ | Measures distance vision. Participant is seated 3 meters from the screen and letters are displayed one at a time. As the participant successfully identifies letters of a given size, smaller ones appear, until the software ascertains the smallest-size the participant can successfully see. | ![]() |
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Watch Demo Video | Read User Guide | View Online Training |
Olfaction | Odor Identification Test Age 10+ | The ability to detect odors, to recognize and discriminate odor qualities, and to identify the sources of odors in our world. |
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Watch Demo Video | Read User Guide | View Online Training |
Pain | Pain Interference Survey Age 18+ | Computer-adaptive measure of the self-reported extent to which pain interfered with or affected enjoyment of various daily activities in the past seven days. | ![]() |
Preview Measure | Read User Guide | View Online Training | |
Taste | Regional Taste Intensity Test Age 12+ | Measures perceived intensity of quinine and salt administered in liquid solutions. Participants rate intensity by touching the screen at any point on the scale from "Strongest imaginable" to "No sensation". | ![]() |
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Watch Demo Video | Read User Guide | View Online Training |
Pain |
Pain Intensity Survey Age 18+
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Consists of one self-report item asking about the participant’s level of pain in the past seven days. Participants are asked to rate their pain on a scale from 0 (no pain) to 10 (worst imaginable pain). | ![]() |
Preview Measure | Read User Guide | View Online Training |
NIH Toolbox Sensation Supplemental Measures – Ages 18+
= time to complete in minutes
= additional materials or equipment needed
The NIH Toolbox Sensation measures were developed by a multi-institutional team of measurement experts as part of the NIH Blueprint for Neuroscience Research.
NIH Toolbox Sensation Measure – Ages 7-17
Construct | Measure | Description | Test Time (minutes) |
Materials Required | Preview | Manual | eLearning |
Audition | Words-in-Noise Test Age 6+ | Measures a person’s ability to recognize single words presented amid varying levels of background noise, measuring how much difficulty a person might have hearing in a noisy environment. A recorded voice instructs the participant to listen and repeat words. Task becomes increasingly difficult as the background noise gets louder, reducing the signal-to-noise ratio. | ![]() |
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Watch Demo Video | Read User Guide | View Online Training |
Vision | Visual Acuity Test Age 8+ | Measures distance vision. Participant is seated 3 meters from the screen at eye level, and letters are displayed one at a time for the participant to identify, using both eyes at the same time. As the participant successfully identifies letters of a given size, smaller ones appear, until the software ascertains the smallest-size optotype the participant can successfully see. | ![]() |
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Watch Demo Video | Read User Guide | View Online Training |
Olfaction |
Odor Identification Test Ages 3-9; |
The ability to detect odors, to recognize and discriminate odor qualities, and to identify the sources of odors in our world. |
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Watch Demo Video | Read User Guide | View Online Training |
Taste | Regional Taste Intensity Test Age 12+ | Measures perceived intensity of quinine and salt administered in liquid solutions. Participants rate intensity by touching the screen at any point on the scale from "Strongest imaginable" to "No sensation". | ![]() |
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Watch Demo Video | Read User Guide | View Online Training |
= time to complete in minutes
= additional materials or equipment needed
The NIH Toolbox Sensation measures were developed by a multi-institutional team of measurement experts as part of the NIH Blueprint for Neuroscience Research.
NIH Toolbox Sensation Measure – Ages 3-6
Construct | Measure | Description | Test Time (minutes) |
Materials Required | Preview |
Manual | eLearning |
Audition | Words-in-Noise Test Age 6+ | Measures a person’s ability to recognize single words amid varying levels of background noise, measuring difficulty a person might have hearing in a noisy environment. A recorded voice tells the participant to listen and repeat words. Background noise gets louder, reducing the signal-to-noise ratio . | ![]() |
![]() |
Watch Demo Video | Read User Guide | View Online Training |
Vision | Visual Acuity Test Ages 3 -7 | Measures distance vision. Participant is seated 3 meters from the screen and letters are displayed one at a time. As the participant successfully identifies letters of a given size, smaller ones appear, until the software ascertains the smallest-size the participant can successfully see. | ![]() |
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Watch Demo Video | Read User Guide | View Online Training |
Olfaction | Odor Identification Test Ages 3-9 | The ability to detect odors, to recognize and discriminate odor qualities, and to identify the sources of odors in our world. | ![]() |
Watch Demo Video | Read User Guide | View Online Training |
= time to complete in minutes
= additional materials or equipment needed
The NIH Toolbox Sensation measures were developed by a multi-institutional team of measurement experts as part of the NIH Blueprint for Neuroscience Research.