Concern 607 · Working draft · editorial review in progress

Subliminal or sub-threshold techniques

Subliminal or deliberately deceptive AI techniques try to influence behavior in ways a person cannot adequately recognize or evaluate.

Understanding the concern

Subliminal means below conscious awareness. Deception can also work through visible but misleading cues. Both differ from an openly stated argument that someone can consider and reject. The concern is interference with a person's ability to make an informed decision, particularly where serious harm may follow.

The EU AI Act prohibits defined categories of harmful manipulative or deceptive practices, subject to specific conditions. That is not a blanket ban on all advertising, personalization or subtle design. Clear explanations should preserve the legal thresholds rather than imply that every influence technique falls under the same prohibition.

An example

A service conceals the true purpose of an interaction while using it to distort a consequential choice.

Illustrative unless identified as a documented case.

Words in plain English

AI
Software that learns patterns from examples or uses rules to perform tasks such as recognizing images or generating text. It can make mistakes and does not understand every situation as a person would.
EU
The European Union, a group of European countries with shared institutions and some shared laws.

Evidence and its limits

The official EU explainer describes specific prohibited practices and conditions. Applicability is contextual and jurisdiction-specific.

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Broader frameworks and background

These resources provide context. They do not establish every claim in this concern.

A question to discuss

What separates acceptable persuasion from a technique that undermines informed choice?

Keep track of different views, what needs checking, and any next step in your own discussion notes.

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Principles for the conversation

Before you finish · reflect together

Virtues and principles to consider

Virtues are qualities we practice in how we treat people and make choices. They are not scores for judging someone. Use these ideas to explore what a thoughtful response could look like.

Dignity

Dignity means recognizing each person's worth regardless of usefulness, status, or a system's score. People deserve respect and a voice in matters that affect them.

Explain important decisions, avoid humiliating treatment, and keep room for a person's story. Do not treat a prediction as a complete account of who someone is.

Ask together: Does this use treat each person as someone whose experience matters?

Listening

Listening means trying to understand someone's experience before preparing an answer. People who use a service, work with it, or are judged by it may notice problems its designers miss.

Invite people to describe what happened in their own words. Repeat back what you understood and let them correct it. A quiet person or a complaint that is hard to measure may still reveal something important.

Ask together: Whose experience have we not heard yet?

Seeing potential

Seeing potential means recognizing people's capacity to learn, contribute, and grow. It resists reducing someone to a score or to the tasks a machine can perform faster.

Use tools to support people's development. Give learners time, feedback, and real opportunities to practice. A prediction about someone's performance should not close off their future.

Ask together: How could this help people develop abilities they value?

Editorial ratings

These are editorial judgments from the register, not measured probabilities or predictions about your situation.

Severity
Serious · 3/5
Likelihood
Widely observed · 4/5
Time horizon
Now
Register risk score
12
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