Prosper Health's Autism Resource Center
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Special Interests and Autism
Most autistic individuals have one or more special interests. A special interest is an intense fixation that far exceeds a typical hobby or passion. An autistic person will typically have the desire to devote large portions of their time, and sometimes large portions of their money, to their special interests. Neurotypical people can and do experience fixations or passions, but having a special interest is a trait strongly associated with autism.
Here’s what you need to know about special interests, how they manifest, the benefits of encouraging them, and more.
What Are Signs of Autism in Adults? A Guide to Autistic Traits and Self-Discovery
When you picture someone with autism, there’s a good chance that a child comes to mind. Maybe your nephew or a member of your child’s class is diagnosed, so you’re familiar with some of the behaviors associated with the condition...or at least how they show up in children. But millions of autistic adults exist too, since autism is a distinct neurotype, not something you grow out of.
However, if the condition wasn’t assessed already in childhood, it can be harder to spot as an adult. In fact, the Centers for Disease Control and Prevention (CDC) estimates that one in 45 adults is autistic, and even more are likely undiagnosed.
Though there are many shared traits between the age groups, autism can present differently in adults than in children, which is something we'll discuss in depth within this article. But fundamentally, the signs of autism in adults include a range of characteristics like:
- Social interaction and communication differences
- Self-soothing and self-regulatory behaviors
- Sensory and processing differences
- Special interests and activities
- Emotional regulation and cognitive traits
If you suspect you may be autistic, you likely know the journey toward diagnosis isn’t so straightforward. It can be confusing and frustrating! Especially since no two people with autism are the same, and everyone has their own unique combination of strengths and challenges.
On top of that, many adults tend to mask their autistic behaviors to fit in with their neurotypical peers, oftentimes without even realizing it. Plus, thanks to gender and cultural bias and other stereotypes, countless autistic adults are overlooked due to their more subtle presentation of the condition.
That’s why Prosper Health is here to provide you with a clear, inclusive, neurodivergent-affirming breakdown of adult autism signs: what they are, why they’re often missed, and what to do if they resonate.
Understanding Autism and Relationships: Navigating Love, Family and Friendship
Many autistic people experience relationship challenges—whether they’re romantic or platonic—in environments shaped around non-autistic social norms. Some unwritten rules and behaviors don’t necessarily come naturally to neurodivergent people.
Christal Castagnozzi, a clinical and school psychologist who received a late autism diagnosis, says that while she had friends growing up, there was an “underlying sense of being misunderstood.” She feels she “struggled to access deeper, more meaningful connections,” and ultimately believed she didn’t belong, even when her friends included her in their social activities.
Even in romantic relationships, Castagnozzi says she had difficulty “interpreting cues, flirting, [her partner’s] intentions, and emotional subtext.”
If any of these experiences sound familiar, you are not alone. But more importantly, the challenges of autism and relationships are not a personal failing. They are often due to differences in communication style, sensory processing, social expectations, and mutual misunderstanding between autistic and non-autistic people. Castagnozzi says what made a difference for her was forming relationships with neurodivergent individuals who provided “less pressure to mask and more space for directness and authenticity.”
In this article, we’ll examine how autism shapes all kinds of relationships, the roots of certain challenges, and practical strategies for effectively navigating relationships.
Autism Support Needs, Not Labels: A Guide to “Levels”
As an adult diagnosed first with autism as a child and again as an adult, I have witnessed firsthand the change in the way the DSM, or The Diagnostic and Statistical Manual of Mental Disorders, has changed to affirm autistic people. In 2013, the DSM updated its resources with an eye to supportive care.
Rather than labeling autistic people with misleading descriptors like high-functioning, low-functioning, or others, experts now categorize autistic individuals based on levels (one, two, or three). These levels indicate varying degrees of support needs, which are often fluid and can change over time.
Mental health professionals and patients can now navigate autism support without labels, a notable step forward in recognizing the individuality of care.
This DSM change also did away with the term pervasive developmental disorder, which encompassed disorders such as Aspergers and child disintegrative disorder. Instead, they were replaced by autism spectrum levels.
Kaila Hattis, MA, LMFT, founder and therapist of Pacific Coast Therapy, explains, “The change focuses less on what someone has to more on what someone needs, and changes the way families access services and disperse information on what their loved one needs."
While these three levels of autism don’t capture the full picture of autism spectrum disorder, they’re a move in the right direction to fuller, more nuanced autism treatment.
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Therapy for Autistic Adults: What to Expect in Your First Session
Autism spectrum disorder (ASD) is a neurodevelopmental disorder that affects the development of a person’s brain and nervous system. ASD is part of the natural diversity in human brains, traits and behaviors, also called neurodiversity. Autism occurs along a spectrum, and each autistic person may have a very different combination and intensity of autistic characteristics and support needs. In general, when compared to neurotypical peers, autistic individuals typically experience differences in sensory and cognitive processing, social approaches, communication and their relationship to routine and repetition.
ASD has long been stigmatized and misunderstood, even within the medical community. Often, autism is associated with early childhood, but in reality, it’s a lifelong diagnosis. The CDC estimates that nearly five and a half million US adults are autistic, yet the scarcity of resources for autistic adults is staggering. A 2019 study found that 84% of US counties have no diagnostic resources for autistic individuals of any age, and accessing high-quality mental health services as an autistic adult is notoriously difficult.
For many autistic adults, this gap in resources can make getting help daunting—but all the more important. Autistic adults are more likely to be diagnosed with a mental illness––between 40 and 50% of autistic individuals have or have had anxiety, and as many as 40% have or have had depression, compared to 18.2% and 21.4% of all US adults, respectively. Even more worrying, 66% of late-diagnosed autistic adults reported experiencing suicidal ideation at some point in their lives. Stigma and a broad social failure to accommodate autistic needs are likely drivers of poorer mental health outcomes among autistic adults.
Autistic adults can thrive despite adversity, but many of us confront similar challenges and could benefit from support. These can include, but are certainly not limited to:
- Masking and unmasking
- Autistic burnout
- Sensory sensitivity and sensory overload
- Disclosure and accessing support
- For late-diagnosed autistic adults, processing a new diagnosis

CPTSD vs Autism: Similarities, Differences, and How to Get Support
Complex PTSD, or CPTSD, is a mental health condition people can develop after prolonged exposure to trauma. CPTSD is fairly common among autistic individuals, and shares a number of features with autism, like sensory sensitivity and emotional dysregulation. However, they are distinct diagnoses, differing in key areas like how and when they emerge during a person’s life and goals for treatment.

Navigating Autism: How to Identify and Cope with Personal Triggers
Autism spectrum disorder is a neurodevelopmental disorder that impacts how an individual communicates and experiences the world. Autistic behaviors may include intense and limited interests, repetitive behaviors, sensory sensitives and difficulty recognizing and expressing emotions.
Autistic individuals may experience meltdowns. A meltdown is an intense and involuntary reaction to the challenges that autism presents, like intense sensory experiences, navigating tricky social situations and emotional dysregulation.
In mental health circles, a trigger refers to an event or feeling that causes a strong emotional response. Neurotypical and neurodiverse individuals alike have triggers, and everyone’s triggers are different. A neurotypical person may feel sadness or nervousness when being confronted with one of their triggers. For autistic individuals, however, being exposed to a trigger can lead to a meltdown.
Meltdowns are stressful and incredibly unpleasant to experience. For autistic adults, meltdowns will happen occasionally, but having a better understanding of individual triggers may help them prevent meltdowns when possible.

Navigating Neurodivergence: Tips for Managing Asperger's Brain Fog
Our understanding of autism spectrum disorder (ASD) has grown significantly over the years, leading to important changes in how we diagnose and describe its various presentations. One of the most significant changes to the ASD diagnosis is the inclusion of Asperger’s syndrome as part of the autism spectrum.
Asperger's syndrome was added to the DSM-IV in 1994 but was moved underneath the diagnostic umbrella of “Autism Spectrum Disorder” in the DSM-V in 2013. Though Asperger’s syndrome is considered to be part of the autism spectrum, it presents symptoms that are similar to ASD but may be less severe or pervasive. Asperger’s is typically marked by:
- Impaired social interaction and nonverbal communication
- Restricted interests
- Repetitive behaviors
- Lack of awareness about how their actions may impact others
The main difference between Asperger’s and autism is that people who were formerly diagnosed with Asperger’s may have less severe symptoms and no speech delay. In fact, those who have been diagnosed with Asperger’s may have advanced speech and language skills.
So, while Asperger’s used to be its own diagnosis, the current diagnostic standards for autism spectrum disorder include Asperger’s. Those who may have, in the past, been diagnosed with Asperger’s syndrome are now likely to be diagnosed with level one autism or to be classified as having low support needs.
While it’s true that diagnostic standards have been updated due to the fact that Asperger’s and autism have a large overlap of symptoms, Asperger’s is no longer used also due in part to its controversial namesake. Asperger’s syndrome was first formally named by Hans Asperger after he conducted a comprehensive study on a group of children with autistic traits in 1944. Though Asperger was never an official member of the Nazi Party, he worked closely with them and cooperated with their policies, which targeted neurodivergent individuals. Asperger’s ties to nazi policies, and the harsh language he used to describe his patients is among the reasons that the term “Asperger’s” is no longer widely used.
However, even though the term is largely outdated, many neurodivergent people were originally diagnosed with Asperger’s syndrome and still resonate with it. Therefore, it’s important to approach the controversy surrounding the name with nuance.

Autism and Psychosis: Overlap, Differences and Co-occurrence
When most people think of psychosis, they think of schizophrenia—not autism. However, psychosis can be associated with several different diagnoses. Although psychosis is not a symptom of autism, it’s more common for autistic individuals to experience psychosis at some point during their lives than it is for neurotypicals.
Psychosis often involves hallucinations and delusions, where an individual perceives things that are not there or believes things that are untrue, respectively. These experiences can feel very real and quite frightening. However, many forms of support can help people thrive while reducing, managing or eliminating symptoms of psychosis.

Understanding Rejection Sensitive Dysphoria (RSD) in Autism and ADHD
It’s perfectly normal for breakups to hurt, criticism to sting, and being excluded to feel lousy. But for people with rejection sensitive dysphoria, or RSD, rejection or failure is distressing on another level. Whether the rejection is real or perceived, RSD can cause severe emotional and sometimes physical pain.
While this is something I’ve dealt with as long as I can remember, I didn’t have a name for it until I was diagnosed with ADHD in my 30s. Once I found out that neurodivergent people often experience RSD, the extreme emotional responses I was having suddenly made sense.
Rejection sensitive dysphoria was initially acknowledged in relation to ADHD, but it's now increasingly recognized as a common autistic experience too, says Dr. Kelly Whaling, a clinical psychologist and research lead at Prosper Health.
While people are quick to point out that no one likes rejection, RSD is something else completely. The shame, humiliation, anger, and sadness I felt when I thought I was being rejected in some capacity would easily ruin my day. But that was only the beginning. From there, I’d start mentally catastrophizing everything, assuming the worst possible scenario was inevitable.
If my boss gave me feedback on a project, I thought it meant I’d be fired the next day. If a friend didn’t respond to my text, I thought it meant that I had done something unforgivable and that they were mad at me. It’s a feeling I have to manage to this day, but finding out that I wasn’t the only person whose brain worked this way did help.
It’s important to note that RSD itself is not a formal diagnosis, but rather a pattern of experience recognized by clinicians and neurodivergent people alike. So, whether you’re neurodivergent, love someone who is, or have questions about RSD, here’s a clear, compassionate guide to understanding and management.
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