Insights for autism from ADHD - Table 1
|
Shared features |
Autism |
ADHD |
|
Skill disorders (reading, writing, motor skills) |
40 percent |
55 percent |
|
Slow information processing |
yes |
yes |
|
Brain size in young children |
larger-than-normal |
smaller-than-normal |
|
Brain development sequence |
normal |
normal |
|
Brain development rate |
altered |
normal |
|
Brain development timing |
delayed |
delayed |
|
Cortical thickness |
global increase, focal decrease |
global decrease |
|
Structural integrity |
reduced frontal, temporal |
reduced multiple, includes frontal |
|
Corpus callosum volume |
reduced |
reduced |
|
Cerebellar volume |
reduced |
reduced |
|
Electroencephalography theta measure (indicative of reduced alertness) |
increased |
increased |
|
Functional default network inter-connections |
reduced |
reduced |
|
Executive functioning |
reduced |
reduced |
|
Heritability |
0.9 |
0.7 |
