By Walker Evans
For many years, the terms Asperger’s Syndrome and Autism Spectrum Disorder (ASD) were used to describe different presentations of neurodevelopmental conditions. Understanding the distinction, or rather the evolution of understanding, between these terms is crucial for parents, educators, individuals with these conditions, and the wider community.
At So Special Too, we believe in providing clear and accessible information to help families navigate the landscape of special needs. This blog post aims to address the key questions surrounding Asperger’s and autism, offering clarity without overwhelming jargon.
Is Asperger’s a form of Autism?
This is a question that often comes up, and the short answer is: yes, it was considered a form of autism. Until 2013, Asperger’s Syndrome was recognized as a separate condition within the broader spectrum of autistic disorders in the Diagnostic and Statistical Manual of Mental Disorders, 4th Edition (DSM-IV). It was characterized by difficulties in social interaction and restricted, repetitive patterns of behavior, interests, or activities, but with no significant delay in cognitive development or clinically significant delays in language.
Think of it like this: autism was seen as an umbrella term, and Asperger’s was one of the distinct conditions falling under that umbrella, alongside other diagnoses like autistic disorder (often referred to as “classic autism”), childhood disintegrative disorder, and pervasive developmental disorder-not otherwise specified (PDD-NOS).
What are the main Differences Between Asperger’s and Autism?
When Asperger’s was a separate diagnosis, the primary distinctions between it and what was then known as “autistic disorder” centered around language development and cognitive abilities.
Language Development:
Individuals with Asperger’s typically had normal early language development. They might have had sophisticated vocabularies and spoken fluently, although the pragmatic use of language (the social rules of communication) was often impaired. In contrast, a key diagnostic criterion for autistic disorder was a significant delay in or total lack of spoken language.
Cognitive Abilities:
Another defining feature of Asperger’s was the absence of significant delays in cognitive development or in the development of age-appropriate self-help skills, adaptive behavior, and curiosity about the environment. Individuals with autistic disorder, on the other hand, often presented with intellectual disabilities.
Social Interaction:
Both Asperger’s and autistic disorder involved challenges in social interaction. This included difficulties understanding social cues, forming relationships, and engaging in reciprocal conversations. However, the manifestation of these challenges could sometimes differ. Individuals with Asperger’s might have a desire to connect with others but struggle with the “how-to” of social interaction, sometimes appearing awkward or eccentric. Those with more pronounced autism might show less interest in social interaction or have more significant difficulties initiating and responding to social overtures.
Restricted and Repetitive Behaviors:
Both conditions also involved restricted and repetitive patterns of behavior, interests, or activities. These could include intense preoccupations with specific topics, adherence to routines, repetitive motor mannerisms (like hand-flapping or rocking), and sensory sensitivities. The intensity and focus of these behaviors could vary.
It’s important to note that while these distinctions were outlined in the DSM-IV, in practice, the lines between these diagnoses were often blurry. Many individuals did not neatly fit into either category, leading to the PDD-NOS diagnosis. This ambiguity was one of the reasons for the subsequent changes in diagnostic criteria.
Why was Asperger’s Removed as a Diagnosis?
The decision to remove Asperger’s Syndrome as a distinct diagnostic category and to incorporate it under the single umbrella of Autism Spectrum Disorder in the DSM-5 (published in 2013) was based on several key factors:
Lack of Clear Diagnostic Boundaries:
As mentioned earlier, the differentiation between Asperger’s Syndrome and high-functioning autism (autistic disorder without intellectual or language impairment) was often inconsistent and subjective. Clinicians found it challenging to reliably distinguish between the two, leading to variability in diagnoses.
Research Findings:
Scientific research increasingly suggested that Asperger’s and autism represented different points on a single spectrum of neurodevelopmental conditions rather than fundamentally distinct disorders. Genetic and neurological studies did not consistently identify clear biological markers that differentiated the two groups.
Clinical Utility:
The separate diagnoses were not always helpful in guiding treatment or predicting outcomes. Individuals with similar levels of social and communication challenges and repetitive behaviors often benefited from similar interventions, regardless of their former specific diagnosis.
Reducing Stigma and Promoting Understanding:
While the term “Asperger’s” gained some public recognition, it could also lead to misconceptions and the exclusion of individuals who might not fit the stereotypical image of someone with Asperger’s but still experienced significant challenges associated with autism. The DSM-5 aimed to provide a more unified and comprehensive understanding of the spectrum of autistic experiences.
By moving to the single diagnosis of Autism Spectrum Disorder, the DSM-5 introduced specifiers to describe the individual’s level of support needed (e.g., requiring very substantial support, requiring substantial support, requiring support) and whether or not there are accompanying intellectual or language impairments. This allows for a more nuanced and individualized description of each person’s unique profile of strengths and challenges.
Can Someone be Diagnosed with Asperger’s Today?
According to the current diagnostic guidelines (DSM-5), the diagnosis of Asperger’s Syndrome is no longer used. Instead, individuals who would have previously met the criteria for Asperger’s Syndrome are now diagnosed with Autism Spectrum Disorder. The DSM-5 emphasizes the spectrum nature of autism, recognizing the wide range of presentations and levels of severity.
If someone is being assessed for autism today, the diagnostic process will focus on identifying the core features of ASD:
- Persistent deficits in social communication and social interaction across multiple contexts, as manifested by deficits in social-emotional reciprocity; deficits in nonverbal communicative behaviors used for social interaction; and deficits in developing, maintaining, and understanding relationships.
- Restricted, repetitive patterns of behavior, interests, or activities, as manifested by at least two of the following, currently or by history: stereotyped or repetitive motor movements, use of objects, or speech; insistence on sameness, inflexible adherence to routines, or ritualized patterns of verbal or nonverbal behavior; highly restricted, fixated interests that are abnormal in intensity or focus; hyper- or hyp1oreactivity to sensory input or unusual interests in sensory aspects of the environment.
The diagnosis will also consider the individual’s current and past levels of functioning in these areas and specify if there are any intellectual or language impairments.
The Legacy of Asperger’s
While Asperger’s is no longer an official diagnosis, the term still holds significance for many individuals who were diagnosed with it in the past and who identify with the term. It helped many people understand their unique way of experiencing the world and connect with a community of like-minded individuals. The concept of Asperger’s also played a crucial role in raising awareness about the diversity of autistic experiences and challenging narrow stereotypes of autism.
Today, when we talk about individuals who might have previously been diagnosed with Asperger’s, we often refer to them as autistic individuals “without intellectual or language impairment” or as being on the “higher-functioning” end of the autism spectrum (though the term “high-functioning” can be debated and is not a clinical term in the DSM-5).
It’s important to respect individual preferences regarding terminology. Some individuals prefer to identify as having Asperger’s due to a sense of identity and community, while others embrace the broader Autism Spectrum Disorder diagnosis.
Understanding Autism Spectrum Disorder Today
The shift to Autism Spectrum Disorder reflects a greater understanding that autism is a complex and varied neurodevelopmental condition. It affects each individual differently, with a unique combination of strengths and challenges. Focusing on the spectrum allows for a more person-centered approach to diagnosis and support, recognizing the diverse needs of autistic individuals.
At So Special Too, our approach is rooted in this understanding of the autism spectrum. We provide individualized assessments and tailored support services to children with special needs, recognizing their unique strengths and addressing their specific challenges. Our team of experienced professionals is dedicated to helping children on the autism spectrum and their families thrive.
If you have concerns about your child’s development or would like to explore a comprehensive assessment, we are here to help. Is your child on the autism spectrum, or do you have concerns about their development? Click here to make an appointment with the expert team at So Special Too for a comprehensive assessment and personalized support.
