Yes, many adults are autistic and don't realize it, often due to masking traits, milder symptoms, or growing up when autism wasn't well understood, leading to late-life diagnoses that explain lifelong struggles like social challenges, sensory issues, and rigid routines, often resulting in relief and self-understanding. These individuals may have learned to camouflage their natural autistic behaviors, impacting their mental health, but a late diagnosis helps them reframe their identity and find appropriate support.
Main signs of autism
finding it hard to make friends or preferring to be on your own. seeming blunt, rude or not interested in others without meaning to. finding it hard to say how you feel. taking things very literally – for example, you may not understand sarcasm or phrases like "break a leg"
The bottom line. “High-functioning autism” isn't a medical diagnosis. It's an informal term laypeople use to describe what the DSM-5 currently calls “level one autism spectrum disorder.” People with level one ASD require minimal support to navigate their daily lives.
Seven key signs of autism (Autism Spectrum Disorder - ASD) often involve difficulties with social communication (like avoiding eye contact or not responding to their name), restricted/repetitive behaviors (like hand-flapping or lining up toys), strong reactions to sensory input (lights, sounds), intense focus on specific interests, distress over changes in routine, challenges with social cues (like sarcasm), and sometimes, delays in speech or pretend play. These signs vary greatly and appear in different combinations, often becoming noticeable in early childhood.
The "6-second rule" for autism is a communication strategy where a speaker pauses for about six seconds after asking a question or giving information, giving the autistic person extra time to process it without feeling rushed, which helps reduce anxiety and allows for a more thoughtful response, reducing frustration for both parties. Instead of repeating or rephrasing, which can be confusing, you wait, and if needed, repeat the exact same words after the pause.
Around 90% of autism cases are attributed to genetic factors, meaning autism is highly heritable, with many different genes contributing, rather than a single cause, often interacting with environmental influences during early brain development, though specific environmental factors don't cause it but can increase risk. Twin studies show strong genetic links, with concordance rates between 60-90% in identical twins, and research points to complex interactions of many genes and prenatal/perinatal factors.
Physical Symptoms:
Symptoms of High-Functioning Autism
Difficulty with Social Interaction: Individuals with high-functioning autism may struggle to understand social norms, make eye contact, initiate or maintain conversations, and interpret nonverbal cues such as facial expressions or body language.
Autism red flags involve challenges with social communication (like avoiding eye contact, not responding to name by 12 months, lack of shared smiles/pointing) and restricted, repetitive behaviors (like hand-flapping, strong routines, lining up toys, intense fixations, sensory sensitivities, or loss of skills). Early signs in infants include no warm smiles by 6 months or no back-and-forth gestures by 12 months; regression (losing skills) is a major flag. If you notice these, seek immediate evaluation from your pediatrician.
This is perhaps the largest misconception surrounding autism — that people who are diagnosed with ASD can't live a normal life. People who have autism might face challenges that people who don't have it won't, but they're very capable of achieving goals and living a happy and healthy life.
Skilled Trades
They include jobs like plumbing, welding, culinary arts, and many more. Many autistic people absolutely adore understanding and working with systems, due to their love of logic, information, and pattern recognition abilities. This makes the trades a perfect option for us.
Not only could using these terms be insulting, but they do not convey useful information about the person. Recognizing the individual with autism is generally better.
Signs and Symptoms of Borderline Autism
changing speech or tone of voice, for example by using less direct phrasing, or being more or less animated. suppressing, reducing or hiding stimming (such as hand flapping or echolalia), or switching to less noticeable stims such as playing with a pen.
Top 10 Calming Strategies for Autism
One common expression of anger in high-functioning autism is intense emotional outbursts such as tantrums, verbal aggression, and even physical aggression. These episodes can include shouting, name-calling, hitting, slapping, or destroying objects.
Other characteristics
The different types of autism include autism spectrum disorder (ASD), autistic disorder (classic autism), Asperger's syndrome, pervasive developmental disorder not otherwise specified (PDD-NOS), childhood disintegrative disorder (CDD), and Rett syndrome.
What Is Asperger's Syndrome? Asperger's Syndrome is a form of Autism Spectrum Disorder. It is a developmental disorder. Young people with Asperger's Syndrome may have a hard time relating to others socially, repetitive behavior patterns, and a narrow range of interests.
Someone with ADHD is more likely to seek out novelty and make more impulsive decisions, whereas an autistic person is more likely to crave routine and structure.
While the exact reasons are not yet clear, changes in how the disorder is defined, increases in screening, and more awareness certainly contribute to this increase. If you have any concerns about your child's development, speak to a healthcare professional about diagnostic tests.
The three main symptom areas for Autism Spectrum Disorder (ASD) are persistent difficulties with social communication and interaction, restricted or repetitive patterns of behavior, interests, or activities, and often, different ways of learning, moving, or paying attention, all of which impact daily functioning. These core characteristics vary greatly but center on social connection challenges, rigid routines or repetitive actions, and sensory sensitivities.
Donald Triplett, autism's 'Case 1,' dies at 89. Triplett gained media attention for his autism later in life, and he became the face of the effort to research the lives of older adults with autism.