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Cortex Kids

Neuro-Developmental Stimulation (NDS) for Children

Understand retained primary reflexes and learn simple, play-based ways to support your child at home.

What is NDS

A simple, movement-based approach to support the brain’s development through play-like activities.

Services
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Retained Primary Reflexes

 

These early patterns help babies at the start of life. If parts remain active later, they can get in the way.

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Cortex Kids — Online NDS Course

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Build school readiness in small, daily steps. Over 30 weeks, our parent-led routine helps integrate retained primary reflexes and strengthens attention, handwriting, early maths, and speech & language. Just 10–15 minutes a day — simple, safe, and playful.

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ABOUT

 

Marja Voleman, PhD.
 

PhDr. Marja Annemiek Voleman, PhD — founder of Cortex Academy®, specialist in Neuro-Developmental Stimulation. Dutch-born, Prague-based since 1999. Physiotherapy & Special Education (Charles University); doctoral thesis on NDS (2020). Runs Cortex Help and has trained professionals in NDS since 2009; author of several books including NDS Active Learning and Persistent Primary Reflexes.

TESTIMONIALS 

“Our daughter looked forward to every single session. That says it all.”​

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“I really value the option to do all the exercises at home without having to see a specialist.

Everything is explained very clearly.”

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