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Understanding AuDHD: Autism and ADHD

Apr 25, 2025

AuDHD: Understanding Comorbid Autism and ADHD

Overview

  • Comorbid Autism Spectrum Disorder (ASD) and Attention-Deficit/Hyperactivity Disorder (ADHD) are both neurodevelopmental disorders.
  • Contemporary perspectives view these as different neurotypes rather than disorders.
  • Neurodivergence includes strengths and challenges.
  • Statistics:
    • 10% of the population has ADHD.
    • 40-70% of autistic people have ADHD.
    • 20-50% of those with ADHD are also autistic.

Connection Between Autism and ADHD

  • High likelihood of comorbidity between ADHD and autism.
  • Before 2013, dual diagnosis of autism and ADHD was not allowed in DSM-5.
  • Common characteristics:
    • Inattention
    • Atypical movement (e.g., fidgeting, stimming)
    • Social difficulties
    • Sensory sensitivities
  • Despite overlaps, research supports that they are distinct diagnoses.

Potential Complications

  • Difficulties in receiving accurate diagnosis due to symptom overlap.
  • Diagnostic tools often emphasize symptoms that align with either autism or ADHD, not both.
  • Misdiagnosis is common.
  • Testing for both disorders may be necessary for accurate diagnosis.
  • Challenges in functioning due to sensory issues and executive dysfunction.
  • Support services may be required.

Diagnosing AuDHD

  • Diagnosed by qualified medical and mental health professionals.
  • Diagnostic process:
    • Diagnostic interview
    • History and symptom assessment
    • Possible collateral interviews

Diagnosing ADHD

  • Tools:
    • Conners Rating Scales
    • Tests of Sustained Attention
    • Behavior Rating Inventory of Executive Functioning (BRIEF)

Diagnosing Autism

  • Tools:

    • Autism Diagnostic Observation Schedule
    • Autism Spectrum Rating Scales
    • Monteiro Interview Guidelines for Diagnosing the Autism Spectrum
  • Other assessments may include cognitive evaluations and screeners for co-occurring mental health issues.

Support for People with AuDHD

  • Many require support for daily living and work due to an environment built for neurotypical brains.
  • Emphasis on support rather than enforcing neurotypical behavior.
  • Community-based organizations:
    • The Autistic Self-Advocacy Network
    • Neuroclastic
    • CHADD
    • ADDitude Mag

Conclusion

  • Support should ensure that needs are met without the need to hide or mask traits.
  • Community input is crucial for effective support strategies.

Additional Information

  • Article authored by Dr. Amy Marschall, an autistic clinical psychologist with ADHD.

Note: This summary is based on an article from Verywell Mind, which emphasizes the importance of high-quality sources and fact-checking.