AI Voice and Text: How the Brain and Nervous System React
- Till Gebel
- 8 hours ago
- 2 min read

Often, I skip AI text and AI voices - I feel uncomfortable. For good reasons: it is "interpersonal neurobiology", as Daniel Siegel might call it.
Google Text to Voice and Youtube simulacra
But then - I was playing around with the new amazing Google Text to Speech (TTS) capabilities and wondering what I could/should do. I looked into it and decided, that there is a threshold: a synthetic voice - yes. A "copied" voice - no.
This becomes more and more relevant as Youtube is flooded with avatars of - for example - Alan Watts, Carl Jung. These are long dead, one could say a cultural heritage.
But then, there are also living people simulations: John Mearsheimer is an example. Actually once you got a threshold of viewers, it seems a clone pops up (eg Alexander Mercouris, Jeffrey Sachs).
AI content, the brain and the nervous system
The latter simulations have a deeper impact and more of a felt violation.
But, there are differences. For example: voice engages relational / attachment circuits - text doesn´t. Voice sends an immediate "authority signal". It is a "somatic betrayal"
The "there is no one at home" is unsettling because we come with expectations.
For voice, we have "presence expectations": the presence of a human. I feel uncomfortable.
For text, we have "meaning expectations": the sense of "meaning" of a text may collapse if there is unclear authorship (machine or man?). I stop reading - at least in some contexts. I get the gut-feel of "so what?" and have zero incentive to engage.
The fundamental problem is that we expect
Agency
Responsibility
Presence
but then we don´t find anyone at home. So, my reaction "why should I engage" is understandeable.
An interesting insight: "admitting" that "this is AI" will calm the nervous system a little, but more so for text. Voices will still override the information: the voice is immediately present.
Voice and text processing at a glance
Left (AI Voice - Red):
Immediate, visceral, bodily reactions
Creates illusion of interpersonal presence
Feels like impersonation when it fails
Body responds before conscious thought
❂ Center (Shared - Purple overlap)
Both create "presence without a person"
Both trigger "authority without responsibility"
Both raise the question "who is behind this?"
Both involve uncertain authorship
Right (AI Text - Blue):
Slower, cognitive processing
More abstract and detached experience
Feels like simulation when it fails
Higher tolerance for anonymity and ambiguity
Or try this interactively for more detail.
