Study finds link between beat synchronization in preschoolers and learning reading skills

September 23, 2014 by Bob Yirka, Medical Xpress report
Credit: George Hodan/public domain

(Medical Xpress)—A team of researchers with Northwestern University in the U.S. has found that an ability to synchronize with a beat may be an indication of how well preschoolers will later do when developing reading skills. In their paper published in Proceedings of the National Academy of Sciences, the team describes a study they undertook that involved testing for beat synchronization and sound recognition in preschoolers and what they found as a result.

Devising a test for reading aptitude prior to teaching children to read, it is believed, would help children of all levels learn better. If a teacher knew beforehand that a child was going to have a , for example, that child could be placed into a program developed specifically for their needs, hopefully offering a better long term outcome. Likewise, children with an exceptional aptitude for reading could be put into an accelerated program to prevent boredom. Unfortunately, there is no such test, thus parents and teachers are left to discover a child's reading abilities on their own. In this new effort, the researchers devised a study to find out if beat synchronicity skills might be used as the basis for such a test.

Reading specialists have suspected that there is a link between beat synchronization and both language and reading ability—reading and speech are both timing based after all. To better understand that link the researchers arranged to test preschool volunteers. In the first test, 35 children were given a toy drum and asked to beat it in time with an adult beating on a similar drum. Those that could do it well were described as synchronizers, those that could not, as nonsyncronizers.

The same group of children then had electrodes pasted to their scalps to measure brain waves—as the researchers watched monitors, the children listened to sounds the researchers played, such as "da" and "ba" with no other sound, and then with background noise.

In studying the data, the researchers found that the children dubbed synchronizers in the first part of the experiment processed the played sounds with greater precision than did the nonsyncronizers. Further tests revealed that the synchronizers did better on overall language abilities than the nonsyncronizers, which suggests that it might be possible to use the same process to children as young as infants for later reading ability.

The researchers plan to continue monitoring the same in the study for five years to see if their testing method is viable.

Explore further: Doctors to parents: Start reading to kids early

More information: Beat synchronization predicts neural speech encoding and reading readiness in preschoolers, Kali Woodruff Carr, PNAS, DOI: 10.1073/pnas.1406219111

Abstract
Temporal cues are important for discerning word boundaries and syllable segments in speech; their perception facilitates language acquisition and development. Beat synchronization and neural encoding of speech reflect precision in processing temporal cues and have been linked to reading skills. In poor readers, diminished neural precision may contribute to rhythmic and phonological deficits. Here we establish links between beat synchronization and speech processing in children who have not yet begun to read: preschoolers who can entrain to an external beat have more faithful neural encoding of temporal modulations in speech and score higher on tests of early language skills. In summary, we propose precise neural encoding of temporal modulations as a key mechanism underlying reading acquisition. Because beat synchronization abilities emerge at an early age, these findings may inform strategies for early detection of and intervention for language-based learning disabilities.

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2 comments

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Nik_2213
not rated yet Sep 23, 2014
Hmm. I could not 'keep time' for love or money, but my reading speed out-paced kids twice my age. Perhaps further work is required...
MrVibrating
not rated yet Sep 23, 2014
Language, like music, is actually spatiotemporal modulation of factor of two synchrony.

Since factors of two are the simplest possible frequency ratios, all other freq relationships are by definition more complex, hence 2f is elementary.

This is why octave equivalence occurs at 2f. The seemingly paradoxical equivalence of octaves proves that consonance has an absolute maximum that is elementary - hence all other consonances and dissonances are but degrees of inequivalence; ie. modulation of 2f.

Precisely the same principle applies to temporal coding; 2f in the temporal domain = elementary rhythm..

Hence all auditory information is formatted this way by default. There is nothing cultural or aquired about these percepts - they're inherent to the nature of information processing.. all the information we process is intrinsically spatiotremporal, and is sampled via the spatiotemporal receptive fields of the respective modalities in question, be they auditory, somatosensory, etc. etc.

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