| Symptom Category |
Symptom Description |
Associated Brain Regions |
| Hyperactivity |
A state of moving constantly, including in situations when it is not appropriate; may include excessive fidgeting, tapping, or talking |
Motor cortex, striatum, thalamus |
| Impulsivity |
Acting without thinking or having difficulty with self-control; may also include a desire for immediate rewards or the inability to delay gratification |
Orbitofrontal cortex, striatum, thalamus |
| Inattention |
Difficulty staying on task, sustaining focus, and staying organized |
Striatum, thalamus |
| Problem-solving difficulties |
Difficulty with the process of finding solutions to difficult or complex issues |
Dorsolateral prefrontal cortex |
| Selective attention difficulties |
Difficulty with the ability to select and focus on a specific stimulus or activity in the presence of unimportant or distracting stimuli |
Dorsal anterior cingulate cortex |
| Sustained attention difficulties |
Difficulty with the ability to focus on an activity or stimulus over a long period of time |
Dorsolateral prefrontal cortex |