Some years ago I posted about Nicaraguan sign language; now a story in Discover magazine discusses “a new study led by Jennie Pyers from Wellesley College”:
By studying children who learned NSL at various stages of its development, Pyers has shown that the vocabulary they pick up affects the way they think. Specifically, those who learned NSL before it developed specific gestures for left and right perform more poorly on a spatial awareness test than children who grew up knowing how to sign those terms.[…]
Pyers explains, “The first-cohort signers find these tasks challenging because they do not have the language to encode the relevant aspects of the environment that would help them solve the spatial problem.” She added, “[They] did not have a consistent linguistic means to encode ‘left of’.”
This is a fascinating result, especially since the first group of adults were older and had been signing for a longer time. It’s clear evidence that our spatial reasoning skills depend, to an extent, on consistent spatial language. If we lack the right words, our mental abilities are limited in a way that extra life experience can’t fully compensate for.
It’s not the dreaded Sapir-Whorf hypothesis, but it’s interesting stuff. Check it out. (Thanks, Aidan!)
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