Autism in the Adult
Theresa Regan, Ph.D., is a rare combination of adult neuropsychologist (specialist in brain-behavior relationships), parent of an amazing child on the autism spectrum, and certified autism specialist with the IBCCES. She is deeply grateful to bring validation, hope, and purpose to individuals and their families living on the autism spectrum. With this mission at its core, she founded and directs the OSF HealthCare Adult Diagnostic Autism Clinic in central Illinois. Her books include Understanding Autism in Adults and Aging Adults and Understanding Autistic Behaviors. For more information and to join her new online autism community for free visit www.adultandgeriatricautism.com. Join her for podcast topics related to autism in the adult. The opinions expressed are not necessarily those of her employer. All listeners are encouraged to research multiple opinions about the topics discussed before making their own decisions.
Theresa Regan, Ph.D., is a rare combination of adult neuropsychologist (specialist in brain-behavior relationships), parent of an amazing child on the autism spectrum, and certified autism specialist with the IBCCES. She is deeply grateful to bring validation, hope, and purpose to individuals and their families living on the autism spectrum. With this mission at its core, she founded and directs the OSF HealthCare Adult Diagnostic Autism Clinic in central Illinois. Her books include Understanding Autism in Adults and Aging Adults and Understanding Autistic Behaviors. For more information and to join her new online autism community for free visit www.adultandgeriatricautism.com. Join her for podcast topics related to autism in the adult. The opinions expressed are not necessarily those of her employer. All listeners are encouraged to research multiple opinions about the topics discussed before making their own decisions.
Episodes

Apr 30, 2026
Apr 30, 2026
22 min
Dr. Theresa Regan explains how friendships evolve with brain development and why autistic individuals may struggle when social demands change—especially in middle school and high school—exploring theory of mind, social vs. non-social emotions, and shifting friendship expectations.
The episode offers practical guidance on recognizing different friendship styles, reducing blame, and using curiosity and communication to build authentic connections.
Understanding Autism Book Series
Autism in the Adult website
Apr 30, 2026
22 min

Apr 23, 2026
Apr 23, 2026
32 min
Dr. Theresa Regan explores how play—humor, teasing, shared activities, and quiet companionship—shapes friendships, family life, dating, work, and parenting across adulthood.
The episode explains adult play styles, how autistic and non-autistic people may experience play differently, why teasing can hurt or connect, and offers practical questions to improve understanding and closeness.
Understanding Autism Book Series
Autism in the Adult website
Apr 23, 2026
32 min

Apr 16, 2026
Apr 16, 2026
29 min
In this episode Dr. Theresa Regan explores why connection sometimes feels confusing by distinguishing task-oriented moments (doing and finishing) from social-oriented moments (sharing and bonding). Through relatable examples—a painting day gone sideways and a family seeking emotional presence—she shows how different expectations create everyday misunderstandings.
The episode offers a simple takeaway: notice what kind of moment you and the other person want, make intentional choices, and balance needs to reduce confusion and strengthen relationships.
Understanding Autism Book Series
Autism in the Adult website
Apr 16, 2026
29 min

Apr 9, 2026
Apr 9, 2026
27 min
Neuropsychologist Dr. Theresa Regan explains theory of mind—our ability to recognize that others have different thoughts, feelings, and perspectives—how it develops, and how it varies across neurotypes, including autism.
Using examples from childhood, adolescence, and adult life, she shows how perspective-taking influences communication and relationships, and encourages curiosity to bridge misunderstandings and improve connection.
Understanding Autism Book Series
Autism in the Adult website
Apr 9, 2026
27 min

Apr 2, 2026
Apr 2, 2026
18 min
Dr. Theresa Regan returns from sabbatical to introduce her new book, "Understanding Communication and Relationships and Autism," and shares how her clinical and personal experiences shaped it.
She explains that many relational conflicts come from different nervous systems interpreting the same moment differently, offers real-life examples, and invites listeners to shift from blame to curiosity, revelation, and practical strategies for stronger relationships.
Understanding Autism Book Series
Autism in the Adult website
Apr 2, 2026
18 min

Mar 1, 2025
The Power of Small Talk (EP 72)
Mar 1, 2025
Mar 1, 2025
23 min
Join Dr. Regan in an episode about the power of small talk as a social welcome mat and a way of testing the waters before creating longer social connections.
Neurodiverse Love Conference 2025
Use checkout code Theresa50 for $50 off
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Autism in the Adult website
Resources for professionals
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Video Courses
Mar 1, 2025
23 min

Feb 2, 2025
Feb 2, 2025
29 min
Join Dr. Regan for this episode of the Lifespan of a Household Series. The episode focuses on the experience of the autistic adult during the seasons of retirement and the empty nest.
Calendar example:
Autism in the Adult website
Resources for professionals
Video Visits
Video Courses
Feb 2, 2025
29 min

Jan 12, 2025
Jan 12, 2025
25 min
Join Dr. Regan for this episode of the Lifespan of a Household Series. The episode focuses on the experience of the autistic parent in a household with teens and young adults. Dr. Regan discusses the child's quest for identity and separation and the parent's changing role. She reviews coping strategies for the parent during this time of transition and uncertainty.
Autism in the Adult website
Resources for professionals
Video Visits
Video Courses
Jan 12, 2025
25 min

Nov 17, 2024
Nov 17, 2024
33 min
Join Dr. Regan for the sixth episode of the Lifespan of a Household Series. The episode focuses on the experience of the autistic parent in a household with preteen children. Dr. Regan discusses the parent's shifting role across the child's developmental seasons, develops images to help parents relate to the shift, and provides practical input about succeeding in these changes in the parenting role.
The Holidays and Autism: Holding Fast and Letting Go
Planning a Merry Holiday on the Autism Spectrum
How to Talk So Kids Will Listen and Listen So Kids Will Talk
Autism in the Adult website
Resources for professionals
Video Visits
Video Courses
Nov 17, 2024
33 min

Oct 19, 2024
Oct 19, 2024
25 min
Join Dr. Regan for the fifth episode of the Lifespan of a Household series. Today's episode focuses on topics important to autistic individuals who are parenting young children.
Autism in the Adult website
Resources for professionals
Video Visits
Video Courses
Oct 19, 2024
25 min






