Over the past few years, while working on my forthcoming book Brilliant, I’ve been watching and taking note as a new conceptualization of intelligence takes shape in the social and biological sciences. This conceptualization involves many lines of inquiry that can be loosely grouped under the title situated cognition: the idea that thinking doesn’t happen in some abstract, disembodied space, but always in a particular brain, in a particular body, located in a particular social and physical world. The moment-by-moment conditions that prevail in that brain, that body, and that world powerfully affect how well we think and perform.

One of the most interesting lines of inquiry within this perspective is known as embodied cognition: the recognition that our bodies play a big role in how we think. Physical gestures, for example, constitute a kind of back-channel way of expressing and even working out our thoughts. Research demonstrates that the movements we make with our hands when we talk constitute a kind of second language, adding information that’s absent from our words. It’s learning’s secret code: Gesture reveals what we know. It reveals what we don’t know. And it reveals (as Donald Rumsfeld might put it) what we know, but don’t yet know we know. What’s more, the congruence—or lack of congruence—between what our voices say and how our hands move offers a clue to our readiness to learn.

There’s plenty of research to back it up. A study published by educational psychology journal Child Development just a few months ago showed that students do better when educators use hand gestures.

Many of the studies establishing the importance of gesture to learning have been conducted by Susan Goldin-Meadow, a professor of psychology at the University of Chicago. “We change our minds by moving our hands,” writes Goldin-Meadow in a review of this work published in a recent issue of the journal Cognitive Science. Particularly significant are what she calls “mismatches” between verbal expression and physical gestures. A student might say that a heavier ball falls faster than a light one, for example, but make a gesture indicating that they fall at the same rate, which is correct. Such discrepancies indicate that we’re in a transitional state, moving from one level of understanding to another.

The thoughts expressed by hand motions are often our newest and most advanced ideas about the problem we’re working on; we can’t yet assimilate these notions into language, but we can capture them in movement. When a child employs gesture, Goldin-Meadow notes, “the information about the child’s cognitive state is conveyed sub rosa—below the surface of ordinary conversation.” Such gesture-speech mismatches have been found in toddlers going through a vocabulary spurt, in elementary-school children describing why the seasons change, and in adults attempting to explain how a machine works.

Goldin-Meadow’s more recent work shows not only that gesture is an index to our readiness to learn, but that it actually helps to bring learning about. It does so in two ways. First, it elicits helpful behavior from others around us. Goldin-Meadow has found that adults spontaneously respond to children’s speech-gesture mismatches by adjusting their mode of instruction. Parents and teachers apparently receive the signal that children are ready to learn, and they act on it by offering a greater variety of problem-solving strategies.

The act of gesturing itself also seems to accelerate learning, bringing nascent knowledge into consciousness and aiding the understanding of new concepts. A 2007 study by Susan Wagner Cook, an assistant professor of psychology at the University of Iowa, reported that third-graders who were asked to gesture while learning algebra were nearly three times more likely to remember what they’d learned than classmates who did not gesture. Another experiment conducted by Cook determined that college students who gestured as they retold short stories they’d seen recalled the details of the stories better, suggesting that gesturing as we’re remembering helps retrieve the information from memory.

So how can you crack learning’s secret code? First, pay attention to your own gestures. Research has found that watching a teacher gesture encourages young learners to produce gestures of their own. Learning improves even when children are given a specific gesture by someone else, rather than generating it themselves. In a 2009 experiment, Goldin-Meadow demonstrated that fourth-graders learning how to solve a math equation identified the correct answers more often when they imitated a helpful gesture shown to them by an adult than when they simply repeated the grown-up’s words.

Second, train yourself to attend to others’ gestures. Notice in particular the gestures that diverge from speech—when people say one thing and motion another, they are primed to take advantage of instruction and direction from others. And encourage your kids to move their hands when they talk. Studies show that children instructed to gesture make more speech-gesture mismatches—that is, they increase their readiness to learn.

By broadening our notion of how and where thinking takes place, we can effectively add to our repertoire another way to be smart.

  • deserteacher

    The educational program for reading ‘Language!’ incorporated many hand gestures and cues, many of which the students followed. It reminded me of sign language. It worked well.

  • Angel Rodriguez

    Well now, it all makes sense! I’ve always talked with my hands (even over the phone) and feel limited in my ability to communicate when I can’t (even if it’s over the phone). Think of how often we are told to purposely “smile” on the phone to convey genuine sincerity. I really enjoyed reading this. It was reaffirming.

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      The educational program for
      reading ‘Language!’ incorporated many hand gestures and cues, many of
      which the students followed. It reminded me of sign language. It worked

  • dante castaneda

    This is an awesome article, and it encourages me to pay closer attention to the body gestures I will be doing in front of my students.

  • In teaching languages, especially where the learner knows little or nothing of the target language, hand gestures are incredibly important. The consistency of them is important if you want to limit confusion! Mind you it goes much further than that. Facial expressions and overall body language are also a key. All these means I have found over many years teaching peoples from all corners of the earth, developed and otherwise, to have a remarkable universality. Of course there are the ones that are culture specific, but these have been over emphasized. What I take for granted now is that I can communicate with anyone even if I don’t know their language and not just communicate, but we can share jokes as well, long regarded as needing advanced language skills.

  • Peggy Tharpe

    Love this article! Over the last seven years, I created a system for teaching and learning English pronunciation that incorporates specific gestures which speed up and fine tune the learning of English sounds for second language learners. This has nothing to do with culture or thought-expression. There is a clear association between certain gestures and certain sound acquisitions: The Gesture Approach. It took me these 7 years of working intensively, one to one, with adults, to sort out which gestures work well and which don’t. When my adult students begin to sound more accented than they want, we go back to the gestures and their English pronunciation returns. I can’t tell you how happy I am to see this supported by Susan Golden-Meadows work!

  • Pingback: Gestures Aid in Acquisition of English Sounds | AmericanPronunciationCoach.com()

  • KeithBender

    I am going to “Grab” as much of this as I can.

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