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. 2002 Nov;23(10):1678–1685.

Fig 3.

Fig 3.

Baseline-corrected proton spectra from a dyslexic participant in the left frontal region of the brain shows significant lactate activation during the phonologic task. The inverted lactate proton doublet can be observed at 1.3 ppm during the phonologic task (left) but not during passive listening (right). The other resonance that can be observed in the spectra is NAA.