TestMyBrain digital cognitive tests have been used extensively in research studies around the globe focused on answering important scientific questions across multiple domains including COVID-19, PTSD, traumatic brain injury, diabetes, genetics, cancer, sport concussion, multiple sclerosis, depression, bipolar disorder, schizophrenia, and Alzheimer's and related dementias. Our tests are designed for self-administration and use across devices and browsers. Please see below for individual test information.
Features of TMB tests include:
If you would like to learn more about cognitive testing supported by TestMyBrain or to receive our complete test list with full test demos and references, please contact us at info@testmybrain.org.
Using a symbol-number key shown on screen, match as many symbols and numbers as possible in 90 seconds. This test measures processing speed and visual short term memory.
Test Versions Available:
Standard - 2 minutes
Ultra-brief - 1.5 minutes
EMA - 1.5 minutes with instructions/practice & 45 sec without
Alternate test forms available to reduce learning effects.
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 100,000
Languages: English, Spanish, Simplified Chinese, Traditional Chinese, French, Finnish
Indicate the direction of the arrow that is a different color from the rest. This test measures processing speed, response selection/inhibition, and attention.
Test Versions Available:
Standard - 1.5 minutes
Ultra-brief - 1 minute
EMA - 1 minute with instructions/practice & 45 sec without
Alternate test forms available to reduce learning effects.
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 40,000
Languages: English, Spanish, Simplified Chinese, French
Press a key whenever a green square appears. This test measures basic psychomotor response speed.
Test Versions Available:
Standard - 1.5 minutes
Ultra-brief - 1 minute
Alternate test forms available to reduce learning effects.
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 70,000
Languages: English, Spanish, Simplified Chinese, French
Press a key when a city image appears and do not press when a mountain image appears. Images rapidly transition from one to the next, with mountains appearing only 10 - 20% of the time. This test measures sustained attention, response inhibition, and cognitive control.
Test Versions Available:
Standard - 300 trials - 6 minutes
Ultra-brief - 150 trials - 4 minutes
Ultra-brief - 75 trials - 3 minutes
EMA - 3 minutes with instructions/practice & 1 minute without
Alternate test forms available to reduce learning effects.
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 90,000
Languages: English, Spanish, Simplified Chinese, Traditional Chinese, French, Finnish
Acknowledgements: Mike Esterman and Joe DeGutis, Boston Attention Lab, BVARI
For each word, pick which of five words is the closest in meaning (or synonym). This test measures long-term verbal memory, crystallized cognitive ability, and verbal reasoning.
Test Versions Available:
Standard - Moderate - 4 minutes
Standard - Hard - 3 minute
Ultra-brief - Moderate - 1 minute
Alternate test forms available to reduce learning effects.
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 100,000
Languages: English, Spanish (Standard - Moderate, Ultra-brief - Moderate)
Acknowledgements: Joshua Hartshorne, Boston Learning Lab, Boston College
Identify the image that best completes the pattern in a series, based on a logical rule. This test measures fluid cognitive ability and nonverbal reasoning.
Test Versions Available:
Standard - 36-item - stopping rule, colorblind friendly - 7.5 minutes
Legacy - 35-item no stopping rule - 9 minutes
Ultra-brief - 11-item - stopping rule, colorblind friendly - 3 minutes (Alternate forms available)
Ultra-brief - 10-item screener - no stopping rule, colorblind friendly - 4 minutes
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 80,000
Languages: English, Spanish, Simplified Chinese, Traditional Chinese (Ultra-brief Screener), French, Finnish
Recall sequences of digits of increasing length, either in the same order as presented (TMB Forward Digit Span) or in the opposite order (TMB Backward Digit Span). This test measures auditory span, short term memory, attention, and working memory (backward version). The two tests can be administered alone/individually or together for any given project.
Test Versions Available:
TMB Backward Digit Span - 3.5 minutes
TMB Forward Digit Span - 3.5 minutes
Alternate test forms available to reduce practice effects.
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): Forward > 27,000; Backward > 10,000
Languages: English, Spanish, French
Learn and then recognize a set of word pairs. Word pairs are selected to be either abstract (hard version) or concrete (easy version). This test measures verbal memory and episodic memory.
Test Versions Available:
Standard - Concrete - 4.5 minutes (not including delay)
Standard - Abstract - 5 minutes (not including delay)
Ultra-brief - Concrete - 2 minutes (not including delay)
Ultra-brief - Abstract - 2 minutes (not including delay)
Alternate test forms available to reduce learning effects.
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 44,000
Languages: English, Simplified Chinese (Standard - Concrete, Ultra-brief - Concrete), Traditional Chinese (Ultra-brief - Concrete), Finnish, Spanish (Standard - Concrete)*, French (Standard - Concrete)
Acknowledgments: Christopher Chabris, Geisinger Health
Learn and then recognize a set of picture pairs (scene images). This test measures visual memory and episodic memory.
Test Versions Available:
Standard - 5.5 minutes (not including delay)
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 11,500
Languages: English, Spanish, Simplified Chinese, Finnish
Acknowledgments: Images from MIT SUN Database (Xiao et al., 2010)
Press a key to identify which direction the middle arrow is pointing. This is a test of cognitive control, response inhibition, and attention.
Test Versions Available:
Standard - 4.5 minutes
Alternate test forms available to reduce learning effects.
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 3,000
Languages: English, Spanish
Identify which of four emotions (anger, happiness, fear, sadness) best describes the emotion in a face. This test measures face emotion perception and emotion identification.
Test Versions Available:
Standard - 3.5 minutes
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 45,000
Languages: English, Spanish, Simplified Chinese, Finnish
Acknowledgments: Actors of Boston’s Company One Theatre
Decide which of four complex emotion words describes the mental state of someone based on just the eye region of their face. This test measures theory of mind and social understanding and was adapted from the original (white faces only) Reading the Mind in the Eyes Test.
Test Versions Available:
Standard - 4 minutes
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 20,000
Languages: English
Acknowledgments: Actors of Boston’s Company One Theatre
Connect a series of numbers in ascending order (Trails A) or numbers and letters in alternate ascending order (Trails B). These tests measure processing speed, task switching (Trails A), and cognitive flexibility (Trails B). These two tests can be administered alone/individually or together for any given project.
Test Versions Available:
TMB Trails A - 1.5 minutes
TMB Trails B- 1.5 minutes
Alternate test forms available to reduce practice effects.
Smartphone Compatible: TABLET (larger screen size needed)
Size of Normative Dataset (approx. N across versions): Part A > 30,000; Part B > 27,000
Languages: English, Simplified Chinese (Part A only), Spanish, Estonian
Choose between smaller, immediate rewards (hypothetical) and larger rewards at a later date. This test measures temporal discounting, aspects of impulsivity, and decision-making.
Test Versions Available:
Standard - 2.5 minutes
Ultra-brief - 2 minutes
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 48,000
Languages: English, Spanish
Given a set of flashing blue and yellow dots, find the dot that is changing color from blue to yellow. This is a test of visual search, change detection, and visual working memory.
Test Versions Available:
Standard - 3 minutes
Ultra-brief - 1 minute
Alternate test forms available to reduce practice effects.
Smartphone Compatible: TABLET ONLY (larger screen size needed)
Size of Normative Dataset (approx. N across versions): > 15,000
Languages: English, Simplified Chinese, Finnish, Spanish
Remember and track a set of target circles as they move around the screen, among a larger set of identical distractor circles. This test measures visual working memory and visuospatial attention.
Test Versions Available:
Standard - 5 minutes
Ultra-brief - 2.5 minutes
EMA - 2.5 minutes with instructions/practice & 1 minute without
Alternate test forms available to reduce practice effects.
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 45,000
Languages: English, Spanish
Judge whether a number is in the set 123 or 789 (number task) or whether a letter is in the set ABC or XYZ (letter task). Participants are cued regarding which task to complete before each trial. This test measures response selection / inhibition, task-switching, and cognitive control.
Test Versions Available:
Standard - 2 minutes
Alternate test forms available to reduce practice effects.
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 10,000
Languages: English, Spanish
Add pairs of numbers that appear one after another and determine whether the sum is less than or greater than 10. This is a test of sustained attention, working memory, and cognitive control.
Test Versions Available:
Standard - 5 minutes
Alternate test forms available to reduce practice effects.
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 5,000
Languages: English, Spanish
Acknowledgments: Naomi Chaytor, Washington State University
Judge which of two faces is expressing more of the target emotion (happiness, anger, or fear - one test for each emotion). Each test measures sensitivity to a different face emotion. The three subtests can be administered individually or together for any given project. The overall set of tests measures face emotion perception.
Test Versions Available:
Happiness - 3 minutes
Anger - 3 minutes
Fear - 3.5 minutes
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 10,000 (each)
Languages: English, Spanish
Acknowledgments: Jordan Smoller, Center for Human Genetic Research, Massachusetts General Hospital
Learn and recognize a set of 6 faces from different angles and lighting conditions. This is a test of face perception and face recognition.
Test Versions Available:
Real Faces - 10 minutes
Computer Generated Faces - 10 minutes (Alternate test forms available)
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 67,000
Languages: English
Acknowledgments: Brad Duchaine, Social Perception Lab, Dartmouth University and Ken Nakayama, Vision Sciences Lab, Harvard University
Given an ambiguous sentence, decide which of two words provides the best interpretation of the sentence. This test measures negative interpretation biases in information processing.
Test Versions Available:
Standard - 2.5 minutes
Alternate test forms available to reduce learning effects.
Smartphone Compatible: YES
Size of Normative Dataset (approx. N across versions): > 6,000
Languages: English
Acknowledgments: Courtney Beard, Cognition and Affect Research and Education (CARE) Lab, McLean Hospital