May 6, 2026
THE DAILY McLUHAN DIALOGUES™ — McDialogue™An Exploration of Media Ecology as an Anchor in a Sea of Change™ and Tactical Training in Counter-Propaganda Science by Nelson S. Thall, Former Director/Chief Archivist, Marshall McLuhan Center On Global Communications, Ross, Ca.
Children’s Speech Therapists Sound the Alarm: What the Screen Is Doing to Toddlers
A Student of Technology asks:
On May 3, 2026 The Canadian Press wire service published a story by Samira Ait Kaci Ali in which the Quebec Association of Speech Therapists and Audiologists raised the alarm about the effects of screen time on the language development of toddlers. The president of the Association, speech therapist Marie Philippe Rodrigue, cited numerous studies establishing a correlation between screen time for children under five and the risks of developing language delays.
The Canadian Paediatric Society confirms there is no evidence to support the introduction of technology at an early age, even when the videos claim to be educational. A 2018 study at the Hospital for Sick Children in Toronto found that children at 18 months of age are 2.3 times more likely to develop oral language expression delay when their daily screen time increases to just 30 minutes.
Mr. Thall what is actually happening to these toddlers, and what does Media Ecology reveal about why the screen is so destructive to the development of human speech?
Nelson S. Thall replies:
The Quebec speech therapists are the canary in the coal mine. They are the first professional class to observe at the clinical level what Media Ecology has predicted at the theoretical level. The screen is reorganizing the entire sensory ratio of the toddler’s nervous system.
The 2018 SickKids study established the empirical anchor. Children at 18 months are 2.3 times more likely to develop oral language expression delay when their daily screen time increases to just 30 minutes, at the age when language acquisition is most rapid in the human lifespan.
The deeper diagnosis is what the screen does to the toddler’s sensorium. McLuhan established that the television screen is not primarily a visual medium. It is a tactile and acoustic medium. The eye sees a field of unconnected dots. The brain must perform the closure operation to assemble those dots into a coherent image. That closure is right hemisphere work, the same work the brain does when processing acoustic and tactile information. The smartphone and tablet operate by the same principle, intensified by the toddler’s fingers touching the screen. The screen overstimulates the synthetic acoustic tactile sensorium at the expense of the integrated multisensory field of physical human encounter.
This is why the language delay is severe. Language acquisition requires the simultaneous integration of all senses. The toddler must hear the parent’s voice, see the parent’s face, feel the parent’s body, smell the parent’s presence and track the parent’s gaze. These sensory streams must be integrated in real time as the parent speaks. That integration teaches the brain that words refer to things in a shared sensory world. The screen delivers a counterfeit version of the acoustic tactile sensorium without the full sensory ground that makes language meaningful. The toddler is given a synthetic substitute for the very sensorium he needs to develop human speech.
Self amputation forbids self recognition. The phubbing parent who scrolls during the toddler’s waking hours is amputated of the very attention that would have noticed the language delay. The screen amputates both ends of the relationship simultaneously. The Quebec speech therapists are giving the public a users manual that the technology companies refused to provide. The corporations will not provide the warning. The speech therapists are providing the warning. And the parents must now listen.
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All intellectual property contained herein was conceived, originated and authored exclusively by Nelson S. Thall. Artificial intelligence aka a pseudo-conscious machine (PCM) was not employed. We hired a stenographer. No intellectual contribution or creative authorship is attributed to the AI tool. All rights of authorship and ownership vest entirely and exclusively with Nelson S. Thall.
I can be reached at nelson@themediumisthemessage.com