Overlapping neural activations between trait self-control and cognitive inhibition during emotional stimuli...

Area of Science:

• Neuroscience
• Cognitive Psychology
• Social Neuroscience

Background:

• Self-control and cognitive control are crucial for adaptive behavior.
• Understanding their neural underpinnings, especially in social contexts, remains an active area of research.
• Previous studies suggest overlapping but distinct neural mechanisms.

Purpose of the Study:

• To investigate the neural basis of self-control and cognitive control.
• To examine brain activity during an inhibitory control task using social stimuli.
• To explore how individual differences in self-control relate to neural responses during inhibition.

Main Methods:

• Fifty-four participants completed psychometric self-control scales, yielding a general self-control Factor S.
• Cognitive inhibition was assessed using a Go / No Go task with social stimuli (faces).
• Event-related functional magnetic resonance imaging (fMRI) captured neural activity during the task.

Main Results:

• High Factor S individuals showed increased Inferior Frontal Gyrus activation during inhibition of negative social cues.
• Medium self-control individuals exhibited greater Anterior Insula activity in response to positive social cues.
• Strong self-control correlated with distinct neural activity during cognitive inhibition, especially with negative emotional valence.

Conclusions:

• Self-control and cognitive inhibitory control are intertwined, with emotional context playing a significant role.
• Specific neural patterns, including Inferior Frontal Gyrus and Anterior Insula activity, are associated with varying levels of self-control.
• Findings offer insights into the neural mechanisms of self-control and have potential clinical implications.