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How does literal thinking impact understanding abstract healthcare plans in autism? 

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Updated
ByMy Patient Advice
Author: Hannah Smith, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

Navigating healthcare can be challenging for anyone, but for autistic individuals, abstract or vague medical advice can be particularly confusing. Literal thinking means processing information exactly as it is stated, without inferring implied meaning. According to NHS England’s More Than Words guide, autistic people may struggle when healthcare professionals use figurative or open-ended phrases such as “take it easy” or “monitor your symptoms”. This can lead to misunderstandings, anxiety, or reduced engagement with care plans. 

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What the Research Shows 

Evidence from NICE guidance highlights the importance of clear, structured, and literal communication in healthcare. Ambiguity can make it difficult for autistic adults to interpret next steps or understand when to seek follow-up care. The National Autistic Society adds that direct, concrete explanations reduce anxiety and resistance, while vague or abstract advice can heighten stress or disengagement. 

Recent research supports these findings. A 2025 PubMed Central review found that difficulties interpreting non-literal and abstract language often affect understanding of medical instructions. A related study in PubMed identified unclear communication as a leading cause of healthcare misunderstanding and non-adherence among autistic adults. 

The Autistica Alexithymia resource notes that autistic people may also find it difficult to interpret internal states or emotional cues, which complicates communication with healthcare professionals. According to Berkshire Healthcare NHS, healthcare discussions should be supported with written summaries, visual information, and time for clarification to improve understanding. 

NICE’s 2025 PDF guideline on autism management further reinforces this, advising healthcare staff to use predictable and non-figurative communication when explaining medical plans and decisions. 

Practical Implications 

Healthcare providers can make communication clearer and more accessible by: 

  • Avoiding idioms, metaphors, or ambiguous phrases. 
  • Offering written care plans alongside verbal instructions. 
  • Using visual aids to explain steps, such as medication schedules or follow-up appointments. 
  • Allowing extra time for discussion and checking understanding. 
  • Giving explicit examples rather than general advice. 

These adjustments align with NHS recommendations and NICE guidance for autism-inclusive healthcare communication and are proven to improve adherence, confidence, and trust in medical settings. 

Takeaway 

Literal thinking can make abstract or vague healthcare plans difficult for autistic individuals to understand, but structured, direct, and visual communication can make a significant difference. Clear healthcare information empowers autistic people to participate confidently in their care. To learn more about evidence-based autism understanding and screening, visit Autism Detect. 

Hannah Smith, MSc
Author

Hannah Smith is a clinical psychologist with a Master’s in Clinical Psychology and over three years of experience in behaviour therapy, special education, and inclusive practices. She specialises in Applied Behavior Analysis (ABA), Cognitive Behavioural Therapy (CBT), and inclusive education strategies. Hannah has worked extensively with children and adults with Autism Spectrum Disorder (ASD), ADHD, Down syndrome, and intellectual disabilities, delivering evidence-based interventions to support development, mental health, and well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the author's privacy. 

Dr. Rebecca Fernandez, MBBS
Reviewer

Dr. Rebecca Fernandez is a UK-trained physician with an MBBS and experience in general surgery, cardiology, internal medicine, gynecology, intensive care, and emergency medicine. She has managed critically ill patients, stabilised acute trauma cases, and provided comprehensive inpatient and outpatient care. In psychiatry, Dr. Fernandez has worked with psychotic, mood, anxiety, and substance use disorders, applying evidence-based approaches such as CBT, ACT, and mindfulness-based therapies. Her skills span patient assessment, treatment planning, and the integration of digital health solutions to support mental well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the reviewer's privacy. 

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