Altered event-related potentials in adults with ADHD during emotional faces processing
1Department of Psychology, The Center for Psychobiological Research, The Max Stern Yezreel Valley College, 19300, Israel; Department of Psychology, Tel Hai College, 12208, Israel.
Summary
Adults with attention-deficit/hyperactivity disorder (ADHD) show altered brain responses (ERPs) and behaviors when processing emotional faces compared to controls. These findings highlight differences in emotional perception and suggest potential for new ADHD assessment tools.
Area of Science:
- Neuroscience
- Psychology
- Psychiatry
Background:
- Emotional processing is crucial for social interaction.
- Adults with attention-deficit/hyperactivity disorder (ADHD) often exhibit social and emotional regulation difficulties.
- Understanding the neural underpinnings of emotion processing in ADHD is essential for targeted interventions.
Purpose of the Study:
- To investigate behavioral and neural differences in emotional face processing in adults with ADHD.
- To utilize scalp-recorded event-related potentials (ERPs) to examine brain activity.
- To compare emotional face processing between adults with ADHD and neurotypical controls.
Main Methods:
- A visual-emotional oddball paradigm was employed.
- Participants viewed neutral, happy, and angry facial expressions.
- Event-related potentials (ERPs) were recorded and analyzed in 17 adults with ADHD and 20 controls.
Main Results:
- Adults with ADHD exhibited slower reaction times to happy faces and faster responses to angry faces compared to controls.
- ERP analysis revealed group differences in P1, N170, and P3 amplitudes.
- Specifically, the ADHD group showed increased P1 to emotional faces, altered N170 patterns, and reduced P3 amplitudes for both emotional and neutral faces.
Conclusions:
- Adults with ADHD demonstrate distinct behavioral and neural patterns in processing emotional faces.
- Altered P1, N170, and P3 components in response to emotional stimuli are indicative of emotional processing deficits in ADHD.
- These findings suggest that behavioral and neurophysiological measures of emotion processing could serve as valuable clinical assessment tools for adult ADHD.
