title: Understanding AuDHD: The Co-Occurence of Autism and ADHD
url: https://www.relationalpsych.group/articles/understanding-audhd-the-co-occurence-of-autism-and-adhd
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archive_date: 2024-05-20
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description: Autism Assessment at Relational Psych involves comprehensive evaluations to diagnose Autism Spectrum Disorders (ASD). Our assessments are conducted by experienced professionals and are tailored to identify the unique needs and strengths of each individual.
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AuDHD refers to the co-occurrence of Attention Deficit Hyperactivity Disorder (ADHD) and Autism Spectrum Disorder (ASD). This term has developed in the last few years within neurodivergent communities to acknowledge the unique experience of having both of these neurodevelopmental conditions. While more people are becoming knowledgeable about the various presentations of ADHD and autism, the interaction of these conditions is still under researched. By building greater awareness of the frequency with which ADHD and autism co-occur and understanding of the ways in which traits and symptoms overlap, perhaps more people who identify with these experiences can find clarity and direction for care.
To understand the nature of AuDHD, it is important to understand the aspects of ADHD and autism that are unique to each neurotype.
ADHD is characterized by differences in attention, executive functioning, reward-seeking, and activity levels.
Autism is characterized by differences in social interaction, information processing, communication, sensory processing, and behavior.
There are many traits and behaviors common to both ADHD and autism, including stimming, emotional sensitivity, being driven by interests, difficulties with executive functions, impacted processing speed, and differences with interoception, perception of time, and non-linear ways of learning. Additionally, having asynchronous development over childhood is often associated with both ADHD and autism.
AuDHD represents a blend of ADHD and autistic traits, leading to unique experiences and challenges. When the underlying needs of ADHD and autism interact, it can feel like a tug of war for the AuDHDer - Do I need routine or spontaneity? Newness or familiarity? Busyness or a steady pace? Though these examples are quite simplistic, they illustrate the internal confusion of the AuDHDer attempting to address their needs.
The presentation of AuDHD is highly variable, and still understudied, but here are some examples of common AuDHD experiences:
Having both ADHD and autism can lead to the traits of each condition masking each other. When an AuDHDer does not present as typically autistic or typically ADHD, it can make it more challenging for providers, employers, teachers, or family members to catch onto their true diagnoses.
Until 2013, clinical guidelines stated that autism and ADHD could not be diagnosed simultaneously, indicating the long-held belief that an individual could be autistic or have ADHD, but not both. While this may have maintained clarity between diagnostic categories, this practice also led to many neurodivergent individuals receiving no or incomplete diagnoses due to the non-”typical” presentation of their symptoms. A study by researchers at Duke University found that up to 50% of people diagnosed autistic also exhibit ADHD symptoms and that characteristics of autism are present in two-thirds of people diagnosed with ADHD.[2]
Some researchers posit that the experience identified as AuDHD may not be the co-occurence of autism and ADHD, but may describe increased severity of an attentional trait present in all autistic individuals. From this perspective, the differences in attention found in AuDHD-identified people may be affected by heightened attentional abilities present in autism (too much attention to internal and external stimuli), rather than the “attention deficit” of ADHD (too little regulation of attention). These researchers call for more nuanced analysis of the neuropsychological features present in these conditions to clarify their relationship and to optimize treatment approaches.[3]
As indicated by the differences in diagnostic perspectives represented above, diagnosing both autism and ADHD can be complex. However, it is invaluable for AuDHDers to have both their autistic and ADHD experiences acknowledged, understood, respected, and addressed. Many AuDHDers find diagnostic clarity through extensive personal research and involvement with neurodivergent communities. Others find comprehensive evaluations with mental health professionals to be the tool most useful for finding clarity and direction for care. For many, the decision of which route to go is highly dependent on their need for and ability to access specific services, which of can require a formal diagnosis, and the extent to which they feel they are able to parse out their experiences independently.
AuDHD typically requires a highly individualized approach as the needs and experiences of AuDHDers vary greatly. For those interested in psychotherapy for support, it can be important to seek out a therapist who is neurodiversity-affirming and familiar with adult presentations of autism and ADHD. Neurodiversity-affirming therapy varies based on the therapeutic modality of the clinician and often can assist with building self-understanding, integrating AuDHD identity, addressing emotional, physical, and relational needs, and developing strategies for advocating for and accommodating oneself in various aspects of life. Neurodivergent coaching can be particularly beneficial for those seeking non-clinical, practical understanding and ideas tailored to their unique needs.
For AuDHDers interested in pursuing medication to assist with managing certain symptoms or co-occurring concerns, such as anxiety or depression, a personalized and nuanced approach is also needed. Working with a medication provider familiar with the nuances of both autism and ADHD can help with addressing the unique needs of AuDHDers. Some ADHD medications have been shown to be helpful in treating the overlap of symptoms of AuDHD, particularly those centered on attention and activity level, while some neuroleptic medications that act upon dopamine receptors in the nervous system can assist with irritability and stimming-related self-injury. Research has shown that certain stimulants, including amphetamine and methylphenidate, can be less effective and cause more side effects when taken by AuDHDers than when they are used to treat ADHD alone.[4]
Understanding the intersection of ADHD and autism is essential for the accurate diagnosing and most beneficial support for AuDHDers. Because the needs and challenges of ADHD and autism present uniquely when combined, the awareness and recognition of interacting traits can provide much needed insight and open up new avenues for accommodations, services, and support.
A few resources for continuing to learn about AuDHD include:
AuDHD refers to the co-occurrence of Attention Deficit Hyperactivity Disorder (ADHD) and Autism Spectrum Disorder (ASD). It describes the unique experience of having traits and symptoms of both neurodevelopmental conditions.
Research suggests that up to 50% of people diagnosed with autism also exhibit ADHD symptoms, and characteristics of autism are present in two-thirds of people diagnosed with ADHD.
Common AuDHD traits include a blend of ADHD and autistic characteristics, such as hyperfocus on interests, difficulty with transitions, sensory sensitivities, impulsivity, and challenges with social interactions.
Diagnosing AuDHD can be complex due to the overlapping symptoms of ADHD and autism. Some individuals find clarity through personal research and involvement with neurodivergent communities, while others benefit from comprehensive evaluations with mental health professionals.
Treatment for AuDHD typically involves a personalized approach that may include psychotherapy, neurodiversity-affirming support, and sometimes medication to manage specific symptoms or co-occurring concerns like anxiety or depression.
Resources for learning more about AuDHD include Neurodivergent Insights and the Autistic Self-Advocacy Network.