What the evidence actually shows.

A reasonable clinician, asked about facilitated communication, will most often surface the same handful of points: a few message-passing studies from the 1990s, a position statement, the phrase ideomotor effect, and a vague sense that the matter is settled. None of those are wrong on their own terms. The problem is that, taken together, they describe a much smaller and older slice of the evidence than is actually available, and they answer a narrower question than the one clinicians are actually being asked.

Start with the question

The clinically useful question is not "did the 1992 message-passing protocol find facilitator influence?" — it did, in many cases. The useful question is: under what conditions, with what supports, for what learners, does authored communication become reliably possible, and how do we know? That is the empirical question the field is now in a position to ask.

The message-passing studies

These studies remain important. They are also a narrower instrument than they are usually treated as. They typically tested communicators with novel partners, in unfamiliar rooms, under explicit performance demand, on a binary right-answer task. Performance under those conditions is genuinely informative about performance under those conditions. It is much less informative about whether a given communicator, with a trusted partner, in a regulated environment, over years, can produce authored text.

Most clinicians would not generalize from a person's first attempt at a stop-watched novel motor task to that person's settled motor skill a year later. The over-generalization in this literature is unusual.

Eye-tracking and gaze evidence

A growing body of eye-tracking work documents that nonspeaking autistic letterboard users direct their gaze to target letters meaningfully before they reach for them — a target-anticipatory pattern that is difficult to square with strong-form facilitator authorship. The most-cited study in this area is Jaswal, Wayne & Golino (2020) in Scientific Reports; commentary and replication work is ongoing. The point is not that the question is closed in the other direction; it is that the question is now empirically open in a way the older verdict treats as closed.

The motor-planning literature

The 1990s FC critique largely predates the modern picture of motor differences in autism. The contemporary literature documents widespread praxis differences, atypical motor planning, initiation deficits, and a clinically significant mismatch between receptive capacity and demonstrable motor output. This is the literature that a neuromotor framing of supported communication actually draws on, and it is conspicuously absent from most position statements.

Outcomes in adult communicators

A generation of nonspeaking adults — graduating from college, publishing books, presenting at conferences, holding jobs, raising children — represents an outcomes literature that the 1990s critiques could not have anticipated. The outcomes are not, by themselves, a controlled experiment. They are also not nothing. They are the kind of data clinicians normally take seriously in any other rehabilitation context.

What is still genuinely unknown

• Predictors of who will and won't make fast progress.
• Dosage effects and optimal practice intensity.
• Partner effects and how to characterize and train them.
• The role of sensory regulation as a rate-limiting variable.
• Longitudinal trajectories — what fading actually looks like over years, not weeks.

This is an argument for more research, not for retreating to a 30-year-old verdict. The honest clinical posture is: take the older studies at the weight they actually support, take the newer studies at the weight they actually support, presume competence in the meantime, and document everything carefully.

How to read a position statement

Position statements are an institutional product. They have an audience, a politics, and an interest in continuity with earlier statements. They are not the same as the underlying evidence base, and they are not exempt from the EBP framework that the issuing organization itself promulgates. Read them, take them seriously, and also read the literature they don't cite.