Neural correlates of Chinese taste metaphor processing

Area of Science:

• Neuroscience
• Cognitive Linguistics
• Psychology

Background:

• Taste metaphors are common figurative language, but their neural processing in Chinese is understudied.
• Emotional valence impacts metaphor comprehension.
• Chinese language has a rich tradition of taste-related expressions.

Purpose of the Study:

• Investigate the neural correlates of taste metaphor processing in Chinese.
• Examine the influence of emotional valence on taste metaphor comprehension.
• Explore the embodied cognition framework in relation to taste metaphors.

Main Methods:

• Functional magnetic resonance imaging (fMRI) was used to scan 27 participants.
• Participants read positive and negative taste metaphor sentences, synonymous literal sentences, and taste literal sentences.
• Analysis focused on brain activation and functional connectivity patterns.

Main Results:

• Taste metaphors, compared to literal sentences, showed heightened activation in frontal-occipital-parietal regions.
• Increased functional connectivity was observed in taste-related and metaphor-processing brain areas for taste metaphors.
• Negative taste metaphors activated broader networks (precuneus, cingulate cortex) than positive metaphors (left angular gyrus).

Conclusions:

• A unique neural signature exists for processing Chinese taste metaphors.
• Emotional valence significantly influences the neural processing of taste metaphors.
• Findings support the embodied cognition framework for figurative language understanding.