Understanding ADHD: The Misdiagnosis and Its Implications
- Julie Keen

- Nov 24
- 4 min read
Updated: 1 day ago
The Cringe-Worthy Comment: “I Have ADHD”
ADHD is one of the most misdiagnosed mental health issues today. Since 2000, our average attention span has dropped from 12 seconds to just 8.25 seconds, which is even less than a goldfish's 9-second attention span. This statistic is alarming and highlights a growing concern in our society.
I cringe when I hear someone say, “I have ADHD.” This reaction stems from the fact that many people cling to their diagnoses as the sole explanation for their behavior. It makes me skeptical about the quality of the diagnosis they received. Often, those who identify strongly with their diagnosis are less open to alternative explanations, even when evidence suggests otherwise. When people ask me about ADHD, I find myself on my soapbox, eager to share my thoughts.
The Complexity of ADHD Diagnosis
ADHD is a multifaceted condition that can be assessed in various ways. It’s crucial to understand that any licensed mental health professional can diagnose conditions outlined in the Diagnostic and Statistical Manual of Mental Disorders (DSM-5-TR), even without formal testing. Unfortunately, diagnosing ADHD has become as routine as diagnosing anxiety, which may compromise the rigor typically expected in clinical evaluations.
Research shows that neuropsychological tests, such as continuous performance tasks and executive function batteries, often lack the sensitivity and specificity needed for an accurate ADHD diagnosis. While these tests may identify cognitive deficits associated with ADHD, they are not exclusive to this disorder. Deficits in executive functioning can also occur in various other psychiatric or developmental disorders.
The Impact of Life Stressors on Executive Functioning
Executive functions and the prefrontal cortex are the first to suffer when something is amiss in a person's life. Stress, loneliness, sleep deprivation, and poor physical health can all negatively impact executive functioning. These factors can lead to behaviors that mimic ADHD symptoms, even when no disorder is present. The physiological and neuroanatomical effects of stress and sadness can be observed in the prefrontal cortex, resulting in poorer reasoning, problem-solving, and self-control.
Diagnosing ADHD in Children
Diagnosing Attention-Deficit/Hyperactivity Disorder (ADHD) in children can sometimes be straightforward. Children often display a lack of inhibition, making their hyperactive behaviors evident. They may struggle to stay seated, touch everything around them, and frequently wander off. These behaviors exemplify the hyperactivity component of ADHD. However, such actions can also stem from anxiety, sensory issues, trauma, or even medical conditions and medication side effects. Thus, there is no simple answer, even when it appears obvious.
The inattention aspect of ADHD can be more challenging to identify. It requires careful observation, as it is less overt than hyperactivity. Individuals with ADHD may daydream, need repeated instructions, or follow only parts of given directions. Interestingly, they may show sustained attention during activities like watching television or playing video games. However, this does not indicate genuine attentional engagement, as these activities provide stimulation with minimal effort.
What Tools Are Used to Test for ADHD?
To evaluate ADHD, I actively listen and observe the individual. I may incorporate an IQ test to assess critical cognitive aspects like working memory and processing speed. However, these tests should be seen as indicators of cognitive function rather than definitive diagnostic tools. Additionally, I might conduct specialized neuropsychological assessments focusing on areas such as attention, concentration, and response inhibition. Yet, these tests may not capture the full scope of an individual’s executive functioning challenges.
Spending time interviewing the client, their family, and caregivers is essential. This approach helps gather a comprehensive understanding of their history and behaviors. It is entirely possible for someone to face challenges in specific cognitive domains while excelling in others.
The Importance of Diverse Perspectives
To enhance my understanding, I may use various checklists to gather information from different perspectives. However, I do not rely solely on these tools for diagnosis. They can provide insights into how clients perceive themselves and how others view their behaviors. Yet, these reflections are subjective and should be interpreted within the context of other data.
So, what is my standard testing process for ADHD? People often dislike my answer: I don’t have a fixed one. While I have a few tests I might use, the best tool we have is our ability to ask questions and listen for nuances in the answers. Observing nonverbal behaviors and recognizing patterns from past experiences are also crucial. Our training allows us to explore how a disorder might present, considering cultural, regional, gender, and age-related factors. Tests may provide data that supports our hypotheses, but they do not offer definitive answers.
The Need for Education and Mentorship
Reflecting on the limitations within our field, I believe there is a significant gap in education and mentorship opportunities for professionals. This lack of resources can hinder our growth and development, raising an important question: Where are the crucial programs and initiatives to support us?
In conclusion, understanding ADHD requires a nuanced approach. It is vital to consider various factors that may influence behavior and to remain open to alternative explanations. The journey to accurate diagnosis and treatment is complex, but it is essential for the well-being of individuals navigating this challenging landscape.
Article: Diamond, A. (2013). Executive functions. Annual review of psychology, 64, 135–168. https://doi.org/10.1146/annurev-psych-113011-143750


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