Figure 3.

The effects of attention on writing related brain activity. (A) Enhanced brain activations in the attention on size condition compared to the free writing condition in controls. (B) Enhanced brain activations in the attention on consistency condition compared to the free writing condition in controls. (C) Increased brain activations in the attention on size condition compared to the free writing condition in Parkinson’s disease patients with consistent micrographia. (D) Increased brain activations in the attention on consistency condition compared to the free writing condition in patients with Parkinson’s disease with progressive micrographia. L = left; R = right; APu = anterior putamen; CB = cerebellum; pre-SMA = rostral supplementary motor area; SMA = caudal supplementary motor area.