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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: Neuropsychologia. 2013 Jan 24;51(5):990–1001. doi: 10.1016/j.neuropsychologia.2013.01.011

Figure 4.

Figure 4

Phase-locking index of early gamma activity across stimulus positions in the tone pair (first, second) for the two experimental groups at visits 1 and 2. Mean values of 12 children with typical language development (TLD; open circles) and 21 language-learning impaired children (LLI; filled circles) are depicted. Vertical bars represent standard errors of mean. Children with LLI showed overall gains in phase stability from visit 1 to visit 2. Across visits, however, the LLI group exhibited reduced PLI values for the second stimulus of the tone pair, compared to the TLD group.