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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Am J Geriatr Psychiatry. 2013 Aug 1;23(1):59–71.e1. doi: 10.1016/j.jagp.2013.04.011

Figure 2.

Figure 2

Diagram demonstrating the functional organisation of A. frontal cortex and B. striatal afferent projections. (A) Schematic illustration of functional connections linking frontal cortical brain regions. (B) Organisation of cortical and subcortical inputs to the striatum. In both (A) and (B), the colours denote functional distinctions. Blue: motor cortex, execution of motor actions; green: premotor cortex, planning of movements; yellow: dorsal and lateral prefrontal cortex, cognitive and executive functions; orange: orbital prefrontal cortex, goal-directed behaviours and motivation; re: medial prefrontal cortex, goal-directed behaviours and emotional processing. Reproduced with permission from Haber, 2003.