Skip to main content
. 2013 May 29;8(5):e64803. doi: 10.1371/journal.pone.0064803

Figure 3. Assessing efficiency for combining the parts of a word: energy threshold as a function of word length.

Figure 3

The summation index k is 1 minus the slope. Ideal thresholds, not shown, are independent of word length, with slope zero. (A) For a written word [24], the summation index is k = 0.1. (B) For a spoken word [48], [49], the summation index is k = 0.5 or 0.7. See Methods for details.