TABLE 3.
Brain regions investigated for correlations between brain metrics and motor and attention scores.
| Variable | Motor skills | Attention, inattentive and hyperactive or impulsive symptoms, and executive functioning | ||
|---|---|---|---|---|
| Brain metric | Regions of interest implicated in motor control and automatization of motor skills 5 , 6 , 7 | Regions of interest implicated in motor control 7 | Regions of interest implicated in the literature comparing DCD and DCD with co‐occurring ADHD | Regions of interest implicated in Posner and Rothbart's model of attention 25 |
|
Cortical thickness and surface area |
Caudal middle frontal gyrus (contains premotor cortex) Superior parietal cortex |
Inferior parietal cortex Superior frontal gyrus (contains supplementary motor area) Cingulate gyrus (caudal anterior, posterior, and isthmus of the posterior) Sensorimotor cortex (precentral, paracentral, and postcentral gyri) |
Caudal middle frontal gyrus (contains premotor cortex) 21 Posterior cingulate gyrus 21 Isthmus of the posterior cingulate 21 |
Caudal anterior cingulate gyrus Rostral middle frontal gyrus Superior frontal gyrus Inferior parietal cortex Superior parietal cortex Supramarginal gyrus |
|
Fractional anisotropy |
Whole corpus callosum Callosal fibres connecting the caudal middle frontal gyri (connecting to the premotor cortex) Callosal fibres connecting to the parietal cortex |
CSTs Callosal fibres connecting the precentral gyri Callosal fibres connecting the postcentral gyri Callosal fibres connecting the superior frontal gyri (connecting to the supplementary motor area) Middle cerebellar peduncles |
Whole corpus callosum 22 Callosal fibres connecting the rostral middle frontal gyri 22 Callosal fibres connecting the superior frontal gyri 22 Middle cerebellar peduncles 6 |
|
| Callosal fibres connecting the caudal middle frontal gyri 22 | Callosal fibres connecting the parietal cortices | |||
| Fibre density and cross‐section | Whole corpus callosum |
CSTs Middle cerebellar peduncles |
Whole corpus callosum 22 Middle cerebellar peduncles 6 |
|
Abbreviations: ADHD, attention‐deficit/hyperactivity disorder; CST, corticospinal tract; DCD, developmental coordination disorder.