MOXO d-CPT ADHD Diagnostic Test

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With more than 150,000 MOXO tests completed to date, MOXO d-CPT is known today as one of the leading validated CPT’s in the market.

For Professional Use Only

Moxo was found to be highly effective in the measurement of Attentiveness, Impulsiveness, Timeliness and Hyper-Reactivity, but it is due to the unique Distractor System employed by the test that MOXO is quickly gaining popularity.
In order to focus on the seemingly simple MOXO task, the subject must ignore the visual and auditory distractions employed by the test, just as he would have had to do in real life. The subject must use active inhibition of distractors in order to make this work, which makes the test much more challenging and revealing.
After careful research on relevance of various distractors, elements were chosen for incorporation in either MOXO-kids version (6-12) or MOXO Teens & Adults version of the test (13-70). Both versions contain audio and visual distractors, varying by loads, symbols and appearance intervals, simulating daily-life attentional challenges.
On top of being the only Distractor based CPT, MOXO is also the only fully on-line, cloud-based  tool, which means you can conduct the test at any-time, any place with no hardware or installation needed. Imagine how convenient that can be for you and your patients.


  •  With its built-in distractor system, MOXO is the ONLY d-CPT that bridges between ADHD real-life challenges.
  • Image-based stimuli for specific age groups, which also ensures no language barriers for subjects.
  • Cloud-based service, no storage, installations or download needed, which means maximum flexibility for you and your patient
  • Comprehensive, immediate results that are easy to understand, facilitating practitioner-subject communication.
  • MOXO d-CPT is scientifically validated and published in leading journals. With over 17 clinical studies still in the running, Neurotech invests heavily in the clinical application of MOXO.
  • Diversified, multi-cultural norm base, collected under strict GCP guidelines, updated every 5 years with additional norms.
  • Secure patient data, HIPPA compliant.


The MOXO d-CPT test provides a full Attentiveness Profile based on the patient’s cognitive and behavior performance (Clinical Report). This profile is obtained by assessing four major performance indices: Attentiveness, Timeliness, Impulsiveness and Hyper-reactivity 

The Four Attentiveness Pillars

A > Attentiveness

Attentiveness reflects the patient’s ability to correctly evaluate and respond to a stimulus, according to instructions. Patients who experience difficulties in this area have problems paying attention to their environment, or to specific details when required to do so. To an onlooker, a person who appears not to be paying attention can seem somewhat unfocused and detached. However, such patients face intense difficulties in their daily life such as following teachers in class, understanding more complex instructions, keeping track of small changes in their surroundings, avoiding calculation errors and much more.

How does it measure? 

This index measures the number of correct responses (pressing the space bar in response to a target stimulus) during a stimulus presentation or the void period that follows. The Attentiveness Index allows the assessment of correct responses independently of the response time, therefore providing a pure measure of sustained attention. The difference between the target stimuli number and the number of correct responses gives the number of omission errors.

T > Timeliness

Timeliness reflects the patient’s ability to respond correctly within the time-frame allotted for a task. Whilst a person with timing issues may be able to evaluate their environment correctly, they may falter when asked to react in a timely manner to environmental changes. Examples of this are performing tasks requiring a quick and immediate response, as well as staying on schedule. Such tasks might include answering questions under time pressure (even when the material is familiar). Timing problems display similar characteristics to attention problems: A time gap is formed when attempting to perform a task to completion. Since it is difficult to keep track, a gap in the (study) material is formed. As the task continues, this gap increases until eventually; people faced with this type of difficulty lose a sense of continuity along with their ability to stay on top of the task.

How does it measure? 

The Timeliness index calculates the number of correct responses given only when the target was present on the screen. According to the National Institute of Mental Health (2012), ADHD problems with attention may be expressed in “difficulties in processing information as quickly and accurately as others”. Traditional measurements in CPTs usually include Response Time (RT) and RT variability. However, these solutions present the stimulus for a very short and fixed period of time; with the response occurring after the stimulus has disappeared. The limitations of such models mean that accurate, but slow participants can be mistakenly diagnosed as inattentive. Often, the same group of participants would respond correctly if allowed more time, whereas patients who truly have attention issues would not respond at all because they are not alert to the target.

I   > Impulsiveness

Impulsiveness is the tendency to respond at a point in time which is defined as ‘forbidden’. A person with a tendency to be impulsive might act without considering the situation at hand or the possible outcomes of such behavior. Such conduct can take place even when a person fully understands the more problematic and undesirable outcomes of impulsive behavior. In many cases, impulsiveness might cause people to trigger monitoring processes only after their initial response. Typical features of impulsiveness include difficulty in waiting for a turn or engaging in dangerous behavior without considering the consequences.

How does it measure? 

This index represents the number of impulsive commissions performed while a non-target stimulus appeared on screen. Typically, commission errors are coded in case of an inappropriate response to the target (e.g., pressing a random key). In contrast, the MOXO d-CPT’s Impulsiveness index considers only pressing on the space bar in response to non-target stimulus as impulsive behavior. All other non-inhibited responses are categorized as hyper-reactive commission.

H > Hyper-Reactivity

Hyperactivity is difficulty in efficient regulation of motoric output and in refraining from unnecessary or undesirable actions (movement, over talking etc.). In other words, hyper-reactive behavior will be accompanied by excessive responses that are defined as incorrect and unwanted. Often people who exhibit hyperactivity are aware of the undesirable outcomes of their behavior and yet they still face the difficult challenge of abstaining from such actions.

How does it measure? 

The Hyper-Reactivity index is the total number of all types of commission responses that were not coded as impulsive responses. Such responses include:
  1. Multiple pressing of the space bar in response to either target or non-target stimuli,  commonly interpreted as a measure of motor hyper-responsivity
  2. Random key pressing of any keyboard button other than the space bar
The separation of impulsive commissions from hyper-reactive commissions allows for the identification of multiple sources of response inhibition problems.


For more information regarding clinical reports and publications, Contact Us 




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