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The above movie is a dorsal view of the age at which each cortical point attains its peak thickness (from ages 6 through 14). Once a cortical point attains its peak thickness it is colored red and remains red until the end of the sequence. Peak thickness is calculated for cortical points with a cubic or quadratic trajectory using the first order derivative of the fitted curve for that point. Cortical points with a linear trajectory are shown in the darker shade of red. In the posterior brain, the first area to reach it speak thickness is the somatic sensory cortex (~7 years), followed by the occipital poles (~8.5yrs.) and then the

remaining parieto-occipital cortex, with polymodal regions (such as the posterior parietal

cortex) reaching peak thickness later (~9 to 10 years). In the frontal cortex, the primary

motor cortex attains peak cortical thickness relatively early (~9.5yrs), followed by the

dorsomedial prefrontal cortex and most of the frontal pole (~10 yrs). High-order cortical

areas, such as the dorsolateral prefrontal cortex and cingulate cortex, reach peak thickness last (~11 yrs).

The associated article can be found here:
Neurodevelopmental Trajectories of the Human Cerebral Cortex
Philip Shaw,¹ Noor J. Kabani,³ Jason P. Lerch,⁴ Kristen Eckstrand,¹ Rhoshel Lenroot,¹ Nitin Gogtay,¹ Deanna Greenstein,¹ Liv Clasen,¹ Alan Evans,⁴ Judith L. Rapoport,¹ Jay N. Giedd,¹ and Steve P. Wise^2
1Child Psychiatry Branch and ²Laboratory of Systems Neuroscience, National Institute of Mental Health, Bethesda, Maryland 20892, ³Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada M4N 3N1, and ⁴Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada H3A 2B4