AAC is not a cure

This is a continuation of a series on why I think it’s important to listen to the nonverbal communication of nonverbal people. Often, parents are encouraged to not listen or to pretend not to understand, so that kids will be forced to learn AAC and use words. I think this is a mistake, for any number of reasons. The first post focused on the general importance of listening.

Another problem with this advice is that ignoring nonverbal communication discourages people from developing their nonverbal communication skills. That’s a bad idea, because nonverbal communication is a very useful skill for nonverbal people. It should be encouraged, not discouraged.

It’s valuable for several different reasons (and I assume, for many reasons I don’t know about.)

One is that AAC is not a cure, and it doesn’t make nonspeaking people just like people who can talk. Nonverbal people who have communication devices are still nonverbal. Currently existing AAC devices can’t do everything that speech can do. For instance:

  • AAC devices mostly can’t do tone. Voices usually can.
  • AAC devices can’t go everywhere. Voices usually can.
  • AAC devices can be taken away much, much more easily than voices can.
  • AAC is usually slow. That makes interrupting hard-to-impossible. Voices can usually be used to interrupt.
  • AAC is usually fairly quiet. Voices can usually yell.
  • Symbol-based devices generally don’t have anywhere close to sufficient vocabulary for emotional or physical intimacy. Voices do.
  • Many AAC devices give others a lot of control over what someone can say. Voices are usually more flexible.

For a lot of these things, body language and movement can be a more effective way of communicating than using a speech device. For instance, putting up a hand to say “stop!” is a lot more likely to be understood quickly than using an AAC device to say the same thing.

Similarly, most symbol sets developed that touch on sexuality at all assume the main reason people need sexual vocabulary is to be able to report abuse. Most of them don’t have robust symbols for discussing sexuality and sexual desire — and most of them don’t have any symbols for emotional intimacy at all. Body language can communicate things that a system designed this way can’t.

Another reason AAC is not like speech is that people who are nonspeaking, are nonspeaking for reasons. And AAC does not make those reasons go away.

Some people are nonspeaking because words are unnatural, painful, and cognitively draining. People like that deserve to be able to communicate in ways that are natural and comfortable. And it’s important for people close to them to listen to their natural communication. Ignoring someone’s most natural communication it is a rejection of their personhood. It’s important not to do that to people.

It’s also dangerous, because someone who finds AAC cognitively difficult and draining is likely not going to be able to use it all the time. For some people, this can be especially true when it’s particularly important to communicate, or when they’re sick. If you’re responsible for someone and you only know how to listen when they use AAC, that’s dangerous. If there’s another way they communicate, it’s important to develop your ability to understand it. (Or, if you can’t, to find someone who can.)

Similarly, if someone has apraxia or other difficulties controlling their body well enough to point, their physical ability to use AAC is likely to vary. And it’s still important to listen to them when they aren’t able to use it in the ways they sometimes can.

tl;dr Access to AAC is important. It’s not the only thing that’s important, and it’s not a cure. Nonverbal people who use AAC are still nonverbal. Body language and using one’s body to communicate are also important skills. (Not everyone can learn to do this. For people who can, it’s valuable.) It is not a good idea to discourage AAC users from using body language to communicate.


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