Related Experiment Video
Updated: Aug 15, 2026

fMRI Mapping of Brain Activity Associated with the Vocal Production of Consonant and Dissonant Intervals
Published on: May 23, 2017
Distinct brain regions associated with syllable and phoneme
Wai Ting Siok1, Zhen Jin, Paul Fletcher
1Department of Psychology, Stanford University, Stanford, California 94305, USA. wtsiok@psych.stanford.edu
This study investigated brain regions for processing speech sound units. Findings show distinct areas in the left frontal cortex for syllable and phoneme processing, clarifying brain mapping for phonological units.
Area of Science:
- Neuroscience
- Psycholinguistics
- Speech Processing
Background:
- The phonological structure of speech involves units like syllables and phonemes.
- Existing brain mapping research has not definitively identified separate neural substrates for processing these distinct phonological units.
Purpose of the Study:
- To investigate the neural basis of syllable and phoneme processing using neuroimaging.
- To determine if distinct brain regions are involved in the representation of syllables versus phonemes.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was employed to observe brain activity.
- The study utilized Chinese subjects to examine the neural processing of phonological units.
Main Results:
- Syllabic processing was associated with activation in the left middle frontal cortex.
- Phonemic processing was linked to activation in the left inferior prefrontal gyri.
Conclusions:
- The findings provide strong evidence for distinct cortical areas underlying the processing of syllables and phonemes.
- This research contributes to understanding the neural architecture of speech sound representation.
Related Concept Videos
Anatomy of the Brain: Major Regions
The cerebrum is the largest section of the brain and divides into left and right hemispheres, separated by a deep fissure. The cerebral outer layer of grey matter — the cerebral cortex — comprises elevations called gyri and shallow groves called sulci. The inner portion of white matter includes long nerve fibers known as axons, which connect various areas...
Cerebrum: Anatomical Overview II
Motor and Sensory Areas of the Cortex
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex.
Association Areas of the Cortex
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Functional Brain Systems: Limbic System
Higher Mental Functions of the Brain: Language
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...

