Autism: Understanding, Accepting, and Embracing Neurodiversity

Autism, or autism spectrum disorder (ASD), is a neurodevelopmental condition that affects an individual’s social communication, social interaction, and behavior.

Autistic individuals exhibit a wide range of characteristics and support needs, highlighting the diversity within the autism spectrum.

neurodivergence

It is crucial to dispel misconceptions and understand that autistic individuals have unique abilities and perspectives that contribute to the richness of human diversity.

This article will be using language such as ‘autistic people’ (identity-first language) rather than ‘people with autism’ (person-first language), in line with community preference.

Signs of Autism

Autistic individuals may exhibit a range of characteristics and behaviors that vary in intensity and presentation. The following signs, based on the DSM-5 diagnostic criteria and research findings, are commonly observed in autistic individuals:

Social Communication and Interaction:

  • Difficulties with social-emotional reciprocity, such as challenges in initiating and maintaining conversations, and reduced sharing of interests and emotions
  • Differences in nonverbal communication, including in eye contact (e.g., difficulty maintaining eye contact), limited facial expressions, and difficulties understanding and using gestures and body language
  • Challenges in developing, maintaining, and understanding relationships, such as adjusting behavior to suit various social contexts, making friends, and showing interest in peers

Restricted and Repetitive Patterns of Behavior, Interests, or Activities:

  • Stereotyped or repetitive motor movements, use of objects, or speech, such as hand flapping, lining up toys, echolalia (repeating words or phrases), and idiosyncratic language
  • Insistence on sameness, inflexible adherence to routines, or ritualized patterns of behavior, such as extreme distress at small changes, difficulties with transitions, rigid thinking patterns, and need for predictability
  • Highly restricted, fixated interests that are high in intensity or focus, such as strong attachment to unusual objects or excessively narrow interests
  • Hyper- or hypo-reactivity to sensory input or significant interest in sensory aspects of the environment, such as apparent indifference to pain or temperature, adverse response to specific sounds or textures, excessive smelling or touching of objects, and visual fascination with lights or movement

It is essential to note that the signs of autism can vary significantly among individuals and may change over time.

Additionally, the presence of these signs and how noticeable they are can be influenced by factors such as cognitive abilities, language skills, and co-occurring conditions.

An infographic titled 'common autistic traits' outlining 8 traits of autism including difficulty initiating and maintaining conversations, intense focus on specific topics or objects, and differences in support needs. Images accompany each trait to illustrate the signs. All signs discussed in the article.
Some common autistic traits according to the DSM-5. Everyone experiences autism differently and will experience a spectrum of traits.

Masking

It should also be noted that ‘masking’ is very common in autistic individuals, especially if they are diagnosed later in life. Autistic masking is a strategy often used to consciously or unconsciously hide autistic traits as a way to ‘fit in’ and avoid stigma. 

Masking can, therefore, make it very difficult to identify autism if someone has become so skilled at hiding their autistic traits.

Examples of masking can include forcing eye contact and displaying ‘socially appropriate’ facial gestures during conversations, even though it feels unnatural to do so.

How is autism diagnosed?

Diagnosing autism involves a comprehensive assessment of an individual’s social communication, social interaction, and behavioral patterns. The Diagnostic and Statistical Manual (DSM-5) is commonly used to diagnose autism. The diagnostic process typically includes:

  • Developmental history and parent/caregiver interviews
  • Observations of the individual’s behavior and social interactions
  • Assessment of cognitive abilities and adaptive functioning
  • Evaluation of language and communication skills
  • Consideration of co-occurring medical or mental health conditions

A multidisciplinary team, including psychologists, speech-language pathologists, and occupational therapists, may collaborate to provide an accurate diagnosis and develop an appropriate intervention plan.

Early identification and intervention can lead to better outcomes and access to support services tailored to the individual’s needs.

Many individuals are diagnosed as autistic in childhood, especially during crucial stages of development when differences may be identified. However, it is very common for a late diagnosis of autism to occur. Many older children, teenagers, and adults of all ages may receive a diagnosis of autism that was missed in early childhood.

A late diagnosis of autism is common in girls and women, non-white individuals, those who do not have cooccurring learning difficulties, gender diverse individuals, or those diagnosed with a mental health condition (sometimes as a misdiagnosis or failure to recognize that the mental health condition is as a result of being autistic).

Autism is a ‘spectrum’

Autism being a spectrum means that it presents differently in each individual, with a wide range of abilities, challenges, and support needs. Some autistic individuals may have significant difficulties with social communication and interaction, while others may face fewer challenges in these areas. 

Similarly, the presence and intensity of restricted and repetitive behaviors, interests, and sensory sensitivities can vary greatly among autistic individuals. 

The spectrum encompasses individuals with varying levels of cognitive abilities, language skills, and adaptive functioning. This diversity in presentation highlights the need for personalized support and understanding that one-size-fits-all approaches may not be effective. 

Recognizing autism as a spectrum helps to acknowledge the unique strengths and challenges of each autistic individual and underscores the importance of providing tailored support to meet their specific needs.

An infographic showing 2 spectrums of autism. one is a straight line going from high functioning autism to low functioning autism. the bottom spectrum is a circle with different coloured sections to show how diverse autism is
Although the illustration featured above is not a clinical model, it gives a good idea of what is meant by an autism spectrum and how differences can vary between one autistic individual and another. It also disputes the outdated idea of “high” and “low functioning” autism.

There is a saying that if you have met one autistic person, then you have met only ONE autistic person. This means that each person is different and will have varying presentations.

Autism in childhood

Autism can impact various aspects of a child’s life, particularly in school and social settings. In school, autistic children may have difficulty with:

  • Following or understanding the social norms of the school
  • Maintaining focus and attention, especially during lengthy lessons or in distracting environments
  • Adapting to changes in routines or transitioning between activities
  • Participating in group work or class discussions due to social communication challenges
  • Sensory overload from classroom noise, bright lights, or other stimuli
  • Making friends with peers and may be more likely to experience bullying

Autism in Adulthood

As autistic individuals enter adulthood, they may face unique challenges in various domains of life.

Higher education

In higher education, autistic adults may encounter difficulties with:

  • Navigating complex social dynamics in college or university settings
  • Managing increased academic demands and independent living responsibilities
  • Adapting to changes in routines and schedules
  • Advocating for necessary accommodations and support services

Providing targeted support, such as mentoring programs, academic accommodations, and transition planning, can help autistic adults succeed in higher education.

Workplace

In the workplace, autistic adults may struggle with:

  • Job interviews and navigating the hiring process
  • Adapting to workplace social norms and expectations
  • Managing sensory sensitivities in the work environment
  • Advocating for necessary accommodations and support
  • Becoming overwhelmed from working in an environment that feels uncomfortable to them

However, with appropriate accommodations and understanding from employers, autistic adults can bring valuable skills and perspectives to the workforce.

Many autistic individuals might not be able to work at all, especially if they have high support needs, or they may only be able to cope with working a reduced number of hours. 

Relationships

In personal relationships, autistic adults may face challenges with:

  • Initiating and maintaining friendships and romantic partnerships
  • Communicating emotional needs and understanding others’ perspectives
  • Navigating social expectations and norms in various settings
  • Being more likely to find themselves in unsafe relationships

A strong support system and open communication with partners can help autistic adults build and maintain meaningful relationships.

Embracing and accepting autism

Embracing and accepting autism involves shifting the narrative from a deficit-based perspective to one that accepts autism as a natural variation in human diversity.

To foster acceptance and create a more inclusive society, it is essential to:

1. Promote self-advocacy

Encourage and support autistic individuals to speak up for their rights, needs, and preferences.

This involves providing platforms for autistic voices to be heard, valuing their insights and experiences, and involving them in decision-making processes that affect their lives.

2. Adopt neurodiversity-affirming practices

Recognize and value the unique strengths and abilities of autistic individuals in various settings, such as education and employment.

This involves shifting away from trying to “cure” or “fix” autistic individuals and instead focusing on providing support and accommodations that enable them to thrive.

Examples include implementing flexible learning environments, providing sensory-friendly spaces, and offering diverse communication options.

3. Create inclusive environments

Design and adapt physical and social spaces to be accessible and accommodating to the diverse needs of autistic individuals.

This may involve making sensory-friendly modifications, providing clear visual supports and instructions, and fostering a culture of understanding and acceptance.

Inclusive environments should aim to reduce barriers and promote a sense of belonging for autistic individuals.

4. Provide support and resources

Ensure that autistic individuals and their families have access to appropriate support services, resources, and accommodations.

This may include offering neurodiversity-affirming counseling, and therapy, as well as providing information and guidance on navigating healthcare, education, and employment systems.

It is crucial to involve autistic individuals and their families in the development and implementation of these support services to ensure they meet their specific needs.

Conclusion

Understanding and accepting autism as a natural form of human diversity is crucial for creating a more inclusive and equitable society.

By recognizing the unique strengths and challenges of autistic individuals and providing appropriate support and accommodations, we can foster an environment that celebrates neurodiversity. 

Ongoing research, advocacy, and public education are essential to further our understanding of autism and improve the lives of autistic individuals across the lifespan.

References

Albantakis, L., Weindel, L., Brandi, M. L., Zillekens, I. C., Henco, L., Thaler, H., … & Schilbach, L. (2025). Alexithymic and autistic traits differentially predict personality disorder dimensions. Autism, 13623613251338650.

American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.). https://doi.org/10.1176/appi.books.9780890425596

Bagale, A., Ojha, A. R., & Lamichhane, M. (2025). Experience and coping strategies of parents of children with autism: A qualitative study. PLOS ONE20(12), e0339349. https://doi.org/10.1371/journal.pone.0339349

Bölte, S., Girdler, S., & Marschik, P. B. (2019). The contribution of environmental exposure to the etiology of autism spectrum disorder. Cellular and Molecular Life Sciences76, 1275-1297.

Cole, C. L., & Telesford, A. E. (2023). Autism. In M. M. Perfect, C. A. Riccio, & M. A. Bray (Eds.), Health-related disorders in children and adolescents: A guidebook for educators and service providers (2nd ed., pp. 127–136). American Psychological Association. https://doi.org/10.1037/0000349-015

Day, M., Wood, C., Corker, E., & Freeth, M. (2025). Understanding the barriers to hiring autistic people as perceived by employers in the United Kingdom. Autism29(5), 1263-1274.

Hull, L., Mandy, W., Lai, M. C., Baron-Cohen, S., Allison, C., Smith, P., & Petrides, K. V. (2019). Development and validation of the camouflaging autistic traits questionnaire (CAT-Q). Journal of autism and developmental disorders49, 819-833.

Kapp, S. K., Gillespie-Lynch, K., Sherman, L. E., & Hutman, T. (2013). Deficit, difference, or both? Autism and neurodiversity. Developmental Psychology, 49(1), 59–71. https://doi.org/10.1037/a0028353

Mazurek, M. O., Pappagianopoulos, J., Brunt, S., Nevill, R., Menezes, M., Burroughs, C., … & Howard, M. (2024). Inner experiences, mental health, and well‐being in autistic and non‐autistic adults. Autism Research17(12), 2676-2688.

Moser, C., Smith DaWalt, L., Burke, M. M., & Taylor, J. L. (2025). Correlates of self-reported life satisfaction among autistic youth with and without intellectual disability. Autism, 13623613251327347.

Sandin, S., Lichtenstein, P., Kuja-Halkola, R., Larsson, H., Hultman, C. M., & Reichenberg, A. (2014). The familial risk of autism. Jama311(17), 1770-1777.

Skuse, D., Greaves-Lord, K., Rodrigues da Cunha, G., & Baird, G. (2024). Autism spectrum disorder. In G. M. Reed, P. L. -J. Ritchie, A. Maercker, & T. J. Rebello (Eds.), A psychological approach to diagnosis: Using the ICD-11 as a framework (pp. 61–77). American Psychological Association. https://doi.org/10.1037/0000392-004

Thomas, R. P., Coulter, K. L., & Fein, D. A. (2023). Autism spectrum disorder. In G. G. Brown, T. Z. King, K. Y. Haaland, & B. Crosson (Eds.), APA handbook of neuropsychology: Neurobehavioral disorders and conditions: Accepted science and open questions (pp. 707–724). American Psychological Association. https://doi.org/10.1037/0000307-033

Volkmar, F. R., & Solomon, C. (2023). Youth with autism spectrum disorder and the transition to adulthood. In L. J. Crockett, G. Carlo, & J. E. Schulenberg (Eds.), APA handbook of adolescent and young adult development (pp. 457–468). American Psychological Association. https://doi.org/10.1037/0000298-028

West, M. J., Somer, E., & Eigsti, M. (2022). Immersive and maladaptive daydreaming and divergent thinking in autism spectrum disorders. Imagination, Cognition and Personality, 42(4), 372.

What Is Bottom-Up Thinking In Autism?

An infographic titled 'common autistic traits' with 9 panels outlining autistic traits and an associated image for each.

Saul McLeod, PhD

BSc (Hons) Psychology, MRes, PhD, University of Manchester

Chartered Psychologist (CPsychol)

Saul McLeod, PhD, is a qualified psychology teacher with over 18 years of experience in further and higher education. He has been published in peer-reviewed journals, including the Journal of Clinical Psychology.


Olivia Guy-Evans, MSc

Associate Editor for Simply Psychology

BSc (Hons) Psychology, MSc Psychology of Education

Olivia Guy-Evans is a writer and associate editor for Simply Psychology, where she contributes accessible content on psychological topics. She is also an autistic PhD student at the University of Birmingham, researching autistic camouflaging in higher education.