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Autism Assessments: Early & Adult Impact

Autism Assessments Across the Lifespan: Why Early and Adult Evaluations Both Matter

At RMPS, we often meet families and adults who arrive with a familiar mix of relief, confusion, and exhaustion. Many have spent years sensing that something didn’t quite fit; socially, emotionally, academically, or professionally, yet struggled to name it. Others come seeking clarity for their child, unsure whether behaviours reflect temperament, anxiety, trauma, or something more neurodevelopmental.

Autism assessments are not about labels for the sake of labels. From what we have seen at our premises, they are about understanding how a person’s brain works, how they experience the world, and what kinds of support actually help them thrive. Whether assessments occur in early childhood or well into adulthood, they can be profoundly life-changing.

This article explores why autism assessments matter across the lifespan, how early and adult evaluations differ, and why delaying or missing assessment can have real emotional and mental health consequences. We’ll also ground this discussion in research while sharing what we see every day in clinical practice.

Autism Is Lifelong, Even If It’s Not Always Recognized

Autism is a neurodevelopmental condition, meaning it is present from early development, even when it isn’t identified until much later. While public awareness has grown, autism is still frequently misunderstood, especially when individuals do not match outdated stereotypes.

At RMPS, we regularly assess:

  • Children who are bright, verbal, and imaginative but struggle socially or emotionally
  • Teens whose anxiety or school avoidance escalates during adolescence
  • Adults who have spent decades masking differences and coping silently

Research consistently shows that autism can present very differently depending on age, gender, cognitive profile, and environment. Many individuals, particularly girls, women, and high-masking adults, are overlooked in childhood and instead receive diagnoses such as anxiety, depression, or ADHD without anyone asking the deeper question of why those struggles exist (Lai & Baron-Cohen, 2015).

Why Early Autism Assessments Matter

Early Identification Shapes Developmental Trajectories

When autism is identified early, children gain access to supports that align with how they learn, regulate emotions, and engage socially. Early assessment does not “limit” a child. It expands understanding and reduces misinterpretation of behaviour.

Longitudinal research shows that early diagnosis is associated with better adaptive functioning, communication outcomes, and family well-being, largely because supports are introduced earlier and environments become more responsive to the child’s needs (Zwaigenbaum et al., 2015).

From an RMPS lens, early assessments help adults shift from asking:

“Why is my child so difficult?”
to
“What is my child communicating, and how can we support them?”

This reframing alone can dramatically reduce family stress and improve parent-child relationships.

Reducing the Risk of Secondary Mental Health Challenges

Children whose autism goes unrecognized are often misunderstood. They may be labelled as oppositional, anxious, defiant, or overly sensitive. Over time, repeated experiences of failure, punishment, or social rejection can erode self-esteem and contribute to secondary mental health challenges.

Research indicates that autistic children are at significantly higher risk for anxiety and depression, particularly when their needs are unmet or invalidated (Simonoff et al., 2008). At RMPS, we frequently see children whose anxiety is not the primary issue, but rather a response to chronic overwhelm, sensory stress, or social confusion.

Early autism assessments allow interventions to target the root cause rather than only the emotional symptoms.

The School Years: When Autism Often Becomes More Visible

Many children “cope” reasonably well in early childhood, especially in structured or nurturing environments. However, the demands of school, social nuance, executive functioning, group work, emotional regulation, can expose previously hidden challenges.

Teachers may notice:

  • Emotional shutdowns or meltdowns after holding it together all day
  • Social isolation despite a desire for connection
  • Perfectionism, rigidity, or intense distress around change

At RMPS, autism assessments during the school years often clarify why traditional behavioural strategies or anxiety-based interventions haven’t worked. Once autism is understood, accommodations become more precise, compassionate, and effective.

Autism Assessments in Adolescence: A Critical Window

Adolescence is a particularly vulnerable time. Social expectations intensify, identity development accelerates, and masking becomes more cognitively and emotionally exhausting.

Research suggests that undiagnosed autistic adolescents are at elevated risk for anxiety, depression, and suicidal ideation, especially those who are highly self-aware of their differences but lack explanation or support (Cassidy et al., 2014).

From our RMPS experience, teens often feel immense relief when an autism assessment finally gives language to their experience. It can validate years of feeling “too much,” “not enough,” or fundamentally out of sync with peers.

Importantly, assessment at this stage can also guide:

  • School accommodations
  • Therapy approaches that respect neurodiversity
  • Family understanding and communication

Why Adult Autism Assessments Matter Even Later in Life

“How Did No One See This?”

Adult autism assessments are one of the fastest-growing areas of our work at RMPS, reflecting a broader shift in awareness and understanding of how autism can present across the lifespan. Many adults seek evaluation after their child receives a diagnosis and they begin to recognize similar patterns in themselves, or when long-standing burnout becomes unmanageable despite years of effort to cope. Others arrive after extended engagement in therapy for anxiety or depression that has provided only limited or temporary relief, prompting questions about whether something more foundational has been overlooked.

Research confirms that many autistic adults, particularly women, are diagnosed only in adulthood due to lifelong masking, social compensation, and gendered expectations that shape how traits are expressed and perceived (Lai et al., 2017). 

As a result, these individuals often reach an assessment carrying a complex mix of emotions: grief for years spent without accurate understanding or support, alongside a sense of relief and hope that their experiences may finally make sense within a framework that truly fits them.

Autism, Anxiety, and Burnout in Adults

Autistic adults are significantly more likely to experience chronic anxiety, workplace burnout, and emotional exhaustion. Importantly, anxiety in autism often stems from ongoing sensory overload, social ambiguity, and executive functioning strain, not just cognitive worry patterns.

Studies show that traditional anxiety treatments may be less effective for autistic adults when autism itself is not acknowledged or accommodated (Spain et al., 2018). At RMPS, we see this repeatedly: anxiety treatment alone doesn’t work when the environment remains incompatible with the person’s neurology.

Adult autism assessments help individuals:

  • Understand their limits without self-blame
  • Adjust expectations and environments
  • Access appropriate therapeutic supports

The Emotional Impact of Finally Knowing

Across ages, one of the most powerful outcomes of autism assessment is self-compassion.

Clients often say:

  • “I’m not broken—I’m wired differently.”
  • “My struggles make sense now.”
  • “I wish I had known sooner, but I’m grateful I know now.”

Research supports this experience, noting that late diagnosis can improve self-understanding, identity integration, and mental health when paired with appropriate support (Leedham et al., 2020).

At RMPS, we view assessment as the beginning of a new relationship with oneself or one’s child, not the end of a journey.

What an Autism Assessment at RMPS Looks Like

While assessment processes vary depending on age and individual needs, our approach is grounded in a comprehensive understanding of the whole person. We carefully consider developmental history to understand early patterns of communication, learning, and behavior, alongside current cognitive and emotional functioning to capture how an individual thinks, feels, and copes in daily life. This holistic model aligns with CPA guidance highlighting the importance of integrating developmental, emotional, and contextual factors in psychological assessment to ensure findings meaningfully inform real-world support rather than simply providing diagnostic labels.

Equal attention is given to sensory and social processing, recognizing how sensory sensitivities and social experiences can shape behavior and well-being. Importantly, we look not only at areas of difficulty, but also at individual strengths, interests, and adaptive skills, as these are essential for building effective and respectful support.

We are particularly mindful of factors that can complicate or obscure presentation, including masking and compensation strategies that may hide underlying difficulties, especially in highly motivated or high-achieving individuals. We also take into account gender and cultural differences that can influence how traits are expressed and interpreted, as well as the presence of co-occurring conditions such as anxiety or ADHD, which often interact with and intensify autistic experiences. Our goal is not just diagnostic clarity, but a meaningful, nuanced understanding that translates into practical, real-world support and guidance.

When Autism and Anxiety Overlap

It’s important to emphasize that autism and anxiety frequently co-occur, but they are not interchangeable. Anxiety may arise as a response to unpredictability, as a result of sensory overload, or through experiences of social misunderstanding. 

Research estimates that up to 40–50% of autistic individuals meet criteria for an anxiety disorder (Simonoff et al., 2008). The Canadian Psychological Association (2020) publications consistently emphasize that neurodevelopmental conditions and mental health concerns often overlap and interact rather than occurring in isolation. At RMPS, we therefore approach anxiety through an autism-informed lens, focusing on context, sensory experience, and lived demands rather than treating anxiety as a separate or purely internal problem.

Why “Waiting and Seeing” Can Be Costly

Families and adults sometimes delay assessment due to fear of labels, cost concerns, or hope that challenges will resolve on their own. While this hesitation is understandable, prolonged uncertainty often increases emotional distress.

From both research and clinical experience, we see that:

  • Misunderstood children internalize shame
  • Teens may disengage or burn out
  • Adults accumulate years of misaligned coping

Assessment does not create autism but it reveals it. And revelation allows for informed choice.

A Lifespan Perspective: There Is No “Too Late”

Whether a child is three, a teen is fifteen, or an adult is fifty, autism assessment can be meaningful. Each stage offers different opportunities for insight, healing, and growth.

At RMPS, we believe understanding comes with dignity. Autism assessments across the lifespan are not about categorizing people, they are about seeing them clearly, often for the first time.

If you or your child have been navigating anxiety, overwhelm, or lifelong patterns that never quite made sense, an autism assessment may offer the clarity that years of trial and error treatment have not.

References

Canadian Psychological Association. (2020). Evidence-based practice in psychology. https://cpa.ca

Cassidy, S., Bradley, L., Robinson, J., Allison, C., McHugh, M., & Baron-Cohen, S. (2014). Suicidal ideation and suicide plans or attempts in adults with Asperger’s syndrome. Crisis, 35(4), 280–284.

Lai, M.-C., & Baron-Cohen, S. (2015). Identifying the lost generation of adults with autism spectrum conditions. The Lancet Psychiatry, 2(11), 1013–1027.

Lai, M.-C., Lombardo, M. V., & Baron-Cohen, S. (2017). Autism. The Lancet, 383(9920), 896–910.

Leedham, A., Thompson, A. R., Smith, R., & Freeth, M. (2020). “I was exhausted trying to figure it out”: The experiences of females receiving an autism diagnosis in middle to late adulthood. Autism, 24(1), 135–146.

Simonoff, E., Pickles, A., Charman, T., Chandler, S., Loucas, T., & Baird, G. (2008). Psychiatric disorders in children with autism spectrum disorders. Journal of the American Academy of Child & Adolescent Psychiatry, 47(8), 921–929.

Zwaigenbaum, L., Bauman, M. L., Stone, W. L., et al. (2015). Early identification of autism spectrum disorder: Recommendations for practice and research. Pediatrics, 136(S1), S10–S40.

MacKenzie Ebel

MacKenzie is a Psychometrist/Psychological Assistant at RMPS. She completed her Bachelor of Arts in Psychology at Princeton University, where she also played 4 years for the women’s ice hockey team. She recently completed her Masters in Counselling Psychology through City University of Seattle. MacKenzie has worked with children, youth, and their families in a number of settings, through coaching, as a behavioural aid, and counselling through her internship placement. She is excited to continue learning about assessment administration, neurofeedback, and play therapy practices at RMPS! Currently, she is part of the assessment and neurotherapy team, as she completes her final capstone assignment and intends to join our counselling team as a Registered Provisional Psychologist.

Tammy Thomson

Tammy is a graduate of the Master of Arts in Counselling Psychology (MACP) program at Yorkville University and is trained at the master’s level in art therapy as a professional art psychotherapist and member of the Canadian Art Therapy Association. She brings more than 20 years of experience working with children, teens, and families in child development settings, children’s hospitals, and schools as an early childhood educator and elementary teacher. She completed a Bachelor of Applied Science specializing in Child Development Studies at the University of Guelph, Ontario and holds a Graduate Diploma of Teaching and Learning from the University of Canterbury in Christchurch, New Zealand. Tammy is a member of the Canadian Counsellor and Psychotherapy Association and College of Alberta Psychologists while pursuing her next goal of registration as a provisional psychologist. Tammy values a client-centered approach using play therapy and the expressive arts to support those who may find it difficult to articulate their thoughts and feelings with words. Children and families do not need any skill or prior art experience and the art studio is a safe place where children can gain a sense of independence, greater emotional regulation, and confidence through self-exploration. Expressive interventions in art therapy can treat behavioural issues, anxiety, depression, ADHD, autism, learning disabilities, physical and developmental disabilities, and attachment difficulties. As a parent of three young children herself, Tammy understands the complexities of family life using compassion to help parents feel more confident in their role of raising a successful family.

Raquel Freitas

Raquel is an Office Administrator at RMPS. Back in Brazil, her home country, she graduated as a Psychologist and worked as a clinician for the past 5 years. Although she loved working with children and adults, she discovered a new passion: manage the administrative tasks that keep the business running. 

As someone who is passionate about learning new things and developing new skills, with the career transition also came the decision to live abroad and explore a new culture. To serve empathetically and connect with people is Raquel’s main personal and professional goal.

Emma Donnelly

Emma is a Registered Psychologist with the College of Alberta Psychologists. She completed her Bachelor of Arts in Psychology in her hometown at Brandon University, after which she moved to Calgary to earn her Master’s of Science in School and Applied Child Psychology at the University of Calgary. Emma has a passion for working with children and families and has experience doing so in a number of settings, including schools, homes, early intervention programs, and within the community. She specializes in assessment, including psychoeduational, social-emotional-behavioural, and autism assessment. Emma uses a client centred approach to counselling, supported by cognitive behavioural therapy, as well as play-based and attachment-based techniques. She believes in meeting clients where they are at and prides herself in working together with her clients to achieve their goals, improve their functioning, and enjoy their daily life.

Amanda Stoner

Amanda is a Registered Psychologist with the College of Alberta Psychologists. Amanda earned her doctoral degree in Psychology at Brock University in Ontario in 2017, with a specialization in developmental psychology. Amanda provides formal assessment services at RMPS. 

Since 2009, Amanda has received formal training and work experience in private practice settings in conducting psycho-educational assessments for students ranging from preschool through university. Amanda is skilled at test administration, interpretation of data, and report writing for various referral questions including ADHD, Learning Disorders, Autism Spectrum Disorder, Anxiety, Giftedness, and Intellectual Disabilities. Amanda enjoys working with people of all ages from diverse backgrounds, and she tries to make the testing environment feel relaxed and comfortable while maintaining integrity in testing protocol.

Denise Riewe

Denise has completed a Bachelor of Health Sciences through the University of Lethbridge and a Master of Counselling with Athabasca University. She is a Registered Provisional Psychologist with the College of Alberta Psychologists and a member of the Psychological Association of Alberta. Denise has over 9 years of experience supporting children, youth and their families in both residential and community-based practices. Denise is experienced in working with high and at-risk youth, supporting children and their families with strength-based approaches. She practices from a client-center approach supported by Cognitive Behaviour Therapy, Dialectical Behaviour Therapy, Theraplay, and other play and art-based modalities.

John Pynn

John is a Registered Provisional Psychologist with the College of Alberta Psychologists. He completed his Master of Arts in Counselling Psychology at Yorkville University. He brings more than 20 years of experience working with children, teens, and families in a variety of settings. He brings a relaxed and collaborative atmosphere to sessions. John uses an integrated counselling approach including client-centred, Cognitive Behavioural Therapy (CBT), and Solution-Focussed therapy (SFT) to find the best-fit for clients. He has experience with a variety of mental health concerns including anxiety, depression, anger, self-
esteem, relationships, parenting, ADHD, grief/loss, addictions, and trauma. This broad experience comes from working in schools, social service agencies, group-care, and clinical settings. He also draws from the practical experience of being a parent to two teenagers as well as a husband. Supporting and empowering clients with mental health concerns is something John genuinely enjoys. John also provides counselling for adults and holds a Gottman level 1 certification for couples therapy.

Zara Crasto

Zara is a Psychometrist/Psychological Assistant at RMPS. She completed her Bachelor of Science in Psychology at the University of Calgary and her Graduate Diploma in Psychological Assessment at Concordia University of Edmonton. 

Zara has spent over five years working alongside children, adolescents, and their families in a variety of settings. These include public and private schools, in-home support, residential programs, early-intervention programs, and non-profit organizations. Currently, Zara is part of the assessment and neurotherapy team. As a lifelong learner, Zara plans to go back to graduate school and eventually become a psychologist one day.

Kellie Lanktree

Kellie is a Registered Psychologist with the College of Alberta Psychologists. She completed a Bachelor of Child and Youth Care with the University of Victoria and a Master of Education in Counselling Psychology through the University of Lethbridge. Kellie has over 10 years experience supporting children and youth with developmental disorders/delays and their families. Kellie has experience working in schools, clinical settings, and within homes to provide support and therapeutic interventions. Through her time at RMPS, Kellie has also gained experience in helping individuals affected by trauma, grief/loss, separations, emotional dysregulation, depression, and anxiety. Kellie practices through developmental, attachment-based and trauma-informed lenses, and draws from a variety of play-based approaches such as Synergetic Play Therapy, Child-centered play therapy, DIR/Floortime, art-based mediums, and mindfulness-based practices. Kellie also provides Neurofeedback therapy, and is working on receiving her certification through BCIA. Kellie believes in meeting children and their families where they are at and that there is no “one size fits all” for therapy.