Related Experiment Video
Updated: Jun 7, 2026
05:38
Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology
Published on: June 29, 2021
A case for the involvement of phonological loop in sentence comprehension
Leonor J Romero Lauro1, Janine Reis, Leonardo G Cohen
1Dipartimento di Psicologia, Università di Milano-Bicocca, Milano, Italy. l.romerolauro@gmail.com
Neuropsychologia
|October 26, 2010
Summary
Sentence comprehension relies on the phonological loop, particularly brain regions left BA40 and BA44. Disrupting these areas with transcranial magnetic stimulation (rTMS) impaired understanding of complex sentences.
Area of Science:
- Cognitive Neuroscience
- Psycholinguistics
- Neuroscience
Background:
- The phonological loop's precise function in sentence comprehension remains debated.
- Key brain regions implicated in the phonological loop include left Brodmann area (BA) 40 and BA44.
Purpose of the Study:
- To investigate the behavioral effects of disrupting left BA40 and BA44 on sentence comprehension.
- To determine the specific roles of these phonological loop regions in processing syntactic complexity and sentence length.
Main Methods:
- Used 1Hz repetitive transcranial magnetic stimulation (rTMS) to temporarily disrupt activity in left BA40 and BA44.
- Assessed language comprehension through a sentence-to-picture matching task and a sentence verification task.
- Manipulated sentence length and syntactic complexity across experiments.
Main Results:
- rTMS over left BA40 significantly decreased accuracy for syntactically complex and long, simple sentences.
- rTMS over left BA44 significantly decreased accuracy only for syntactically complex sentences.
- Left BA40 disruption also impaired comprehension of sentences where word order was critical.
Conclusions:
- Both left BA40 and BA44 are crucial for comprehending syntactically complex sentences.
- Left BA40, associated with the short-term store, is also involved in processing long, syntactically simple sentences.
- Sentence comprehension is demonstrably a function of the phonological loop, challenging prior assumptions.
More Related Videos
Related Concept Videos
01:22Chunking and Rehearsal in Sensory Memory
Improving short-term memory can be achieved through techniques like chunking and rehearsal. Chunking involves organizing information into larger, more manageable units. This technique is particularly useful for information that exceeds the typical memory span of between five and nine items. For instance, logging into an online account with a password like "ta89vq0179gz" involves grouping letters and numbers into three chunks—ta89, vq01, and 79gz. It makes large amounts of information more...
01:10Higher Mental Functions of the Brain: Language
Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
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...
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...
01:24Components of Language
Language, whether spoken, signed, or written, consists of specific components: lexicon and grammar. The lexicon is the vocabulary of a language, comprising its words. Grammar is the set of rules used to convey meaning through the lexicon. For example, English grammar adds “-ed” to most verbs to indicate past tense. Words are formed by combining phonemes, which are the basic sound units of a language. Different languages have different sets of phonemes (e.g., “ah” vs. “eh”). Phonemes combine to...
01:27Language and Cognition
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
01:10Tip-of-the-Tongue Phenomenon
The tip-of-the-tongue (TOT) phenomenon is a cognitive experience characterized by a temporary inability to retrieve specific information from memory despite having a strong feeling of knowing the information. Although individuals cannot access the target word or detail, they frequently recall related elements, such as its initial letter, syllable count, or context. This partial retrieval often causes frustration, as one might recognize a familiar face or know that a name starts with a specific...
01:17Auditory Perception
The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the cochlea, a...