Processing of configural and componential information in face-selective cortical areas

Area of Science:

• Neuroscience
• Cognitive Psychology
• Social Neuroscience

Background:

• Face perception relies on processing both holistic (configural) and part-based (componential) information.
• The distinct roles of face-selective cortical areas, such as the fusiform face area (FFA) and occipital face area (OFA), in processing these information types remain under investigation.
• The influence of face race on these neural processes is not fully understood.

Purpose of the Study:

• To investigate how the FFA and OFA process configural versus componential face information.
• To explore whether face race influences these processing mechanisms.
• To determine the neural basis of the other-race effect in face recognition.

Main Methods:

• Functional magnetic resonance imaging (fMRI) was used to measure brain activity while participants viewed blurred (configural), scrambled (componential), and whole faces.
• Participants completed a face recognition task using blurred or scrambled faces post-scan.
• Correlations between recognition performance and neural activation were analyzed.

Main Results:

• The FFA exhibited greater activation to blurred (configural) faces compared to scrambled (componential) faces, with similar responses to blurred and whole faces.
• The OFA showed stronger activation to whole faces than blurred faces, with responses comparable to scrambled faces.
• Differences in recognizing own-race versus other-race blurred faces correlated with FFA activation patterns.

Conclusions:

• The FFA appears specialized for processing configural face information, whereas the OFA is involved in processing both configural and componential information.
• Configural processing within the FFA may contribute to the observed other-race effect in face recognition.
• These findings advance our understanding of the neural mechanisms underlying human face perception and social cognition.