Computerized tests for ADHD diagnosis have emerged as valuable tools in the assessment process. These objective measures can offer insights into attention, impulsivity, and hyperactivity, complementing traditional clinical evaluations. For individuals and healthcare professionals seeking clarity in ADHD diagnosis, understanding the types of computer tests available is essential. This article delves into several prominent Adhd Diagnosis Computer Tests, outlining their features and research backing.
Types of Computerized ADHD Tests
Several computerized tests are utilized to aid in the diagnosis of Attention Deficit Hyperactivity Disorder (ADHD). These tests are designed to be objective and can help clinicians assess different aspects of attention and impulsivity. Here are some of the commonly used computerized ADHD tests:
Test of Variables of Attention (TOVA)
The Test of Variables of Attention (TOVA) is an FDA-cleared computerized test widely recognized for its reliability in detecting subtypes of ADHD, including hyperactive-impulsive, inattentive, and combined presentations. Designed to minimize biases from language or memory issues, TOVA employs simple geometric shapes as stimuli.
In the visual TOVA test, individuals are instructed to respond (e.g., click a button) upon seeing a designated target shape and refrain from responding to non-target shapes. The auditory version mirrors this process using sounds instead of visuals. Both formats evaluate similar attentional factors. The TOVA test duration is approximately 10.9 minutes for children aged 4–5 and around 21.6 minutes for individuals aged 6 and older.
Research, such as a 2007 study published in the Journal of Paediatrics and Child Health, suggests that the TOVA test can be a useful tool in evaluating attention and impulsivity challenges. Its objective nature and ability to measure sustained attention make it a valuable component in the ADHD diagnostic process.
MOXO CPT
The MOXO Continuous Performance Test (CPT) is a computerized assessment lasting approximately 15.2 minutes and consisting of 8 levels. Uniquely, the MOXO CPT incorporates built-in distractors, simulating real-life visual and auditory interruptions that test-takers must disregard. This feature distinguishes it as the only computerized ADHD test that integrates realistic distractions.
Each stimulus in the MOXO CPT is followed by a void period of equal duration. This void is designed to differentiate between quick, accurate responses and slower, yet still correct, responses that occur during the void period.
A 2017 study in Archives of Clinical Neuropsychology investigated the MOXO CPT with 339 children diagnosed with ADHD (ages 7–12) and a control group of 459 children without ADHD. The study assessed attention, timing, impulsivity, and hyperactivity. Results indicated that children with ADHD scored lower in attention and timing, and higher in hyperactivity and impulsivity measures. The test demonstrated a sensitivity rate of 85% or higher across all age groups, highlighting its potential in identifying ADHD-related challenges in a simulated real-world environment.
Conners’ CPT 3rd Edition
The Conners’ Continuous Performance Test 3rd Edition is a 14-minute computerized test suitable for individuals aged 8 and older. This test evaluates performance across areas of inattention, impulsivity, sustained attention, and vigilance. It is designed to aid in the detection of ADHD and other neurological conditions affecting attention.
While extensive independent research on the Conners’ CPT 3rd Edition’s reliability for ADHD diagnosis is still developing, a 2019 study in the Attention Deficit and Hyperactivity Disorders journal suggests its potential for measuring sustained attention and impulsivity. This indicates that the Conners’ CPT 3rd Edition can be a valuable tool in assessing these specific aspects of attention and impulse control in individuals undergoing ADHD evaluation.
IVA: Integrated Visual and Auditory CPT
The Integrated Visual and Auditory Continuous Performance Test (IVA CPT) is a 13-minute computerized test designed to distinguish between individuals with ADHD and those with conduct disorder. It can also be used to monitor the effectiveness of interventions such as neurofeedback training or medication management.
Although recent research specifically validating the IVA CPT for ADHD diagnosis is limited, a 2002 study published in Archives of Clinical Neuropsychology explored its utility. The study found that individuals with ADHD exhibited lower scores on measures of reaction time, inattention, impulsivity, and variability of reaction time when assessed with the IVA CPT. This older research suggests that the IVA CPT can provide valuable insights into key areas of cognitive performance related to ADHD.
QbTest
The QbTest, an FDA-approved computerized test, uniquely combines traditional attention and impulsivity measurements with motion tracking analysis. This innovative approach allows clinicians to objectively evaluate fidgetiness and hyperactivity levels during testing.
The QbTest setup involves a computer screen, an infrared camera, a headband with an infrared marker, and a responder button. During the test, the infrared camera tracks the individual’s motion, providing objective data on activity levels alongside performance on attention and impulsivity tasks. The QbTest is designed for ADHD assessment, diagnosis, and for evaluating the impact of stimulant medication. Test results are compiled into a report and compared against data from individuals without ADHD of similar age and sex, providing a standardized benchmark.
A 2018 study in Behavioral and Brain Functions examined the accuracy of various objective ADHD tests, including the QbTest. The findings indicated relatively high accuracy for objective measures alone in both adults (79%) and children (78%). However, the study also highlighted that combining objective measures like the QbTest with subjective assessments leads to even greater diagnostic accuracy, emphasizing the value of a multi-faceted approach to ADHD diagnosis.
