# Auditory Processing Difficulties vs Rett Syndrome Canonical: https://pinnacleblooms.org/ask/what-is-the-difference-between-auditory-processing-difficulties-and-rett-syndrome-in-young-children Publisher: Pinnacle Blooms Network / Bharath Healthcare Laboratories Private Limited Auditory Processing Difficulties (APD) and Rett Syndrome are very different. APD is when a child hears normally but the brain struggles to make sense of sound — following instructions, listening in noise. The child's hand skills and movement are usually fine. Rett Syndrome is a rare genetic neurodevelopmental condition, almost always in girls, where a child develops typically then slows or loses skills — especially purposeful hand use, communication and walking, with repetitive hand movements. APD is a specific listening difficulty; Rett affects the whole child and needs prompt medical and genetic evaluation. *Both can affect how a child listens and responds — but one is about how the brain makes sense of sound, while the other is a rare genetic condition affecting many parts of development.* ## In short **Auditory Processing Difficulties (APD)** describe when a child's hearing is normal, but the brain has trouble *making sense* of what it hears — especially in noise or with quick instructions. **Rett Syndrome** is a rare genetic neurodevelopmental condition (most often linked to changes in the *MECP2* gene), seen almost always in girls, marked by a period of seemingly typical early development followed by a slowing or loss of skills — particularly purposeful hand use, communication and walking. In short: APD is a specific listening-and-understanding difficulty, while Rett Syndrome is a whole-body developmental condition with a distinctive pattern of regression. ## How they differ in everyday life A child with **Auditory Processing Difficulties** typically develops along expected lines in most areas. The struggles show up around *sound*: she may say 'what?' often, mishear similar-sounding words, find it hard to follow instructions in a noisy classroom, or seem to 'switch off' when there's background chatter. Her hand skills, movement and overall growth are usually unaffected. **Rett Syndrome** follows a very different and recognisable course. After an apparently typical first 6–18 months, a child slows down or loses previously gained skills. A hallmark is the loss of purposeful hand use, replaced by repetitive hand movements such as wringing, clapping or mouthing. There may be slowing head growth, changes in walking or balance, breathing irregularities and reduced communication. It affects the whole child, not just listening. Because Rett Syndrome can quietly affect a child's responses to sound and speech, it is sometimes mistaken early on for a hearing or listening problem — which is exactly why a careful, whole-picture developmental look matters. ## When to seek help Seek a developmental check **promptly** if your young child loses skills she once had — especially purposeful use of her hands, words she used to say, or steadiness in walking — or if you notice repetitive hand movements and slowing head growth. This pattern needs timely medical and genetic evaluation. For a child who hears but struggles to *understand* speech in noise or follow spoken instructions, a hearing test and a developmental and listening assessment will point the way. Either way, an early, gentle look brings answers and a clear plan. ## The Pinnacle way This is general information, not a diagnosis — a clinical [AbilityScore®](/ask/what-is-the-abilityscore-and-how-is-it-calculated) and any diagnosis are formed only at a Pinnacle Blooms Network centre, under qualified clinician care, never from an app or form. Our team looks at the whole child — listening, hand skills, communication and movement — to tell apart a specific [auditory processing](/auditory-processing-difficulties) difficulty from a broader condition, and recommends the right support, including [speech therapy](/speech-therapy) where understanding and communication need building. Explore more across our [services](/). ## Trusted sources The American Speech-Language-Hearing Association on auditory processing and how the brain interprets sound; the World Health Organization's ICD on Rett Syndrome; and the American Academy of Pediatrics on watching for loss of developmental skills. **Next step —** Noticed your child mishears, or has lost skills she once had? Book a developmental screening and let a clinician see the full picture. ## Sources - ASHA — understanding auditory processing disorders in children: https://www.asha.org/public/hearing/understanding-auditory-processing-disorders-in-children/ - WHO ICD — Rett Syndrome classification: https://icd.who.int - AAP HealthyChildren — watching developmental progress: https://www.healthychildren.org ## Connected topics and perspectives - Parent: https://pinnacleblooms.org/ask/lens/stakeholder/parent - Sensory: https://pinnacleblooms.org/ask/lens/domain/sensory - Definition: https://pinnacleblooms.org/ask/lens/intent/definition - Screen: https://pinnacleblooms.org/ask/lens/lifecycle/screen - Book Assessment: https://pinnacleblooms.org/ask/lens/route/book-assessment - Early Clarity: https://pinnacleblooms.org/ask/lens/empowerment/early_clarity ## Related question paths ### Understand the subject - Hearing Impairment vs Rett Syndrome in Young Children: https://pinnacleblooms.org/ask/what-is-the-difference-between-hearing-impairment-and-rett-syndrome-in-young-children - Rett Syndrome vs Social Communication Difficulties in Young Children: https://pinnacleblooms.org/ask/what-is-the-difference-between-rett-syndrome-and-social-communication-difficulties-in-young-children - ADHD vs Rett Syndrome in Young Children: https://pinnacleblooms.org/ask/what-is-the-difference-between-adhd-and-rett-syndrome-in-young-children - Autism Spectrum vs Rett Syndrome in Young Children: https://pinnacleblooms.org/ask/what-is-the-difference-between-autism-spectrum-and-rett-syndrome-in-young-children - Dyslexia vs Rett Syndrome in Young Children: https://pinnacleblooms.org/ask/what-is-the-difference-between-dyslexia-reading-impairment-and-rett-syndrome-in-young-children - Rett Syndrome vs Sensory Processing Differences in Young Children: https://pinnacleblooms.org/ask/what-is-the-difference-between-rett-syndrome-and-sensory-processing-differences-in-young-children - Auditory Processing Difficulties vs Autism Spectrum: https://pinnacleblooms.org/ask/what-is-the-difference-between-auditory-processing-difficulties-and-autism-spectrum-in-young-children - Auditory Processing Difficulties vs Cerebral Palsy in Young Children: https://pinnacleblooms.org/ask/what-is-the-difference-between-auditory-processing-difficulties-and-cerebral-palsy-in-young-children - Auditory Processing Difficulties vs Childhood Apraxia of Speech: https://pinnacleblooms.org/ask/what-is-the-difference-between-auditory-processing-difficulties-and-childhood-apraxia-of-speech-in-young-children - Auditory Processing Difficulties vs Childhood Epilepsy: https://pinnacleblooms.org/ask/what-is-the-difference-between-auditory-processing-difficulties-and-childhood-epilepsy-in-young-children - Auditory Processing vs Childhood Sleep Difficulties in Young Children: https://pinnacleblooms.org/ask/what-is-the-difference-between-auditory-processing-difficulties-and-childhood-sleep-difficulties-in-young-children - Auditory Processing Difficulties vs Conduct-Dissocial Disorder: https://pinnacleblooms.org/ask/what-is-the-difference-between-auditory-processing-difficulties-and-conduct-dissocial-disorder-in-young-children