Brain Training for Substance Use Disorders

Inclusion Criteria:

OUD patient participants:

* Admitted into chemical treatment with opioid use being a reason for treatment;
* DSM-IV-TR diagnosis of OUD;
* Ability to provide informed consent;
* A minimum of a 6th grade reading level; and
* Able and willing to provide own contact information for follow-up visit(s).

Control participants:

* Age- and gender-matched to an OUD patient participant in the study;
* Ability to provide informed consent;
* A minimum of a 6th grade reading level;
* Able and willing to provide own contact information for follow-up visit(s).

Exclusion Criteria:

OUD patient participants:

* Refusal or inability to consent;
* Pregnant;
* History of serious neurological illness (e.g., Chronic seizure disorder, Wernicke-Korsakoff Syndrome, Epilepsy, Any history of seizures not caused by withdrawal from substances, Other \[please specify\]);
* Inability to see text and photos clearly on the computer display; and
* Unwillingness to change hairstyle (e.g., braids, pony tails, dreadlocks) or remove wig to accommodate application of the EEG headset, if necessary.

Control participants:

* Refusal or inability to consent;
* Pregnant;
* History of serious neurological illness (e.g., Chronic seizure disorder, Wernicke-Korsakoff Syndrome, Epilepsy, Any history of seizures, Other \[please specify\]);
* Inability to see text and photos clearly on the computer display;
* Current or previous problems using opioids, other prescription (prescribed or not prescribed) or illicit drugs;
* Regular nicotine user (e.g., cigarette smoker, e-cig user) within the past 12 months; and
* Unwillingness to change hairstyle (e.g., braids, pony tails, dreadlocks) or remove wig to accommodate application of the EEG headset, if necessary.