Codependency and Prefrontal Cortex Functioning: Preliminary Examination of Substance Use Disorder Impacted Family...

Area of Science:

• Neuroscience
• Addiction Research
• Family Systems

Background:

• Substance use disorders (SUDs) significantly impact family systems.
• Family members may develop codependency in response to a loved one's SUD.
• Previous research links SUDs to altered brain functioning in family members, but codependency's neural correlates are unexplored.

Purpose of the Study:

• To investigate the association between codependency and prefrontal cortex (PFC) activation in family members of individuals with SUDs.
• To examine neural responses during emotional and social stimuli presentation.

Main Methods:

• Functional near-infrared spectroscopy (fNIRS) assessed PFC activation in 38 family members.
• Participants viewed images of a loved one with a SUD (experimental group) or a "target family member" (control group).
• Correlations between PFC activation levels and codependency scores were analyzed.

Main Results:

• A significant negative association was observed between codependency and left dorsomedial PFC activation when viewing a loved one with a SUD.
• This association was significantly stronger compared to control conditions and other affective images.
• Codependency is linked to reduced PFC engagement in response to SUD-related stimuli.

Conclusions:

• The left dorsomedial PFC, crucial for executive functions in social/emotional contexts, shows altered activation in codependent family members.
• Findings suggest potential executive function limitations in responding to loved ones with SUDs.
• Highlights the importance of integrated treatment addressing both the individual with SUD and their family members' recovery.