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Related Concept Videos

Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

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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...
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Motor and Sensory Areas of the Cortex01:14

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The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
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Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
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Lobes of the Cerebrum01:22

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The cerebral cortex, a critical structure of the brain, is intricately divided into two hemispheres, each consisting of four distinct lobes: occipital, temporal, frontal, and parietal. These lobes function cooperatively to regulate various cognitive and sensory functions, forming the basis of our complex neural capabilities.
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The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at...
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Lateralization01:28

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Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
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Related Experiment Video

Updated: Aug 19, 2025

Stimulating the Lip Motor Cortex with Transcranial Magnetic Stimulation
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Representing linguistic communicative functions in the premotor cortex.

Wenshuo Chang1,2, Lihui Wang3,4,5, Ruolin Yang2,6,7,8

  • 1Institute of Linguistics, Shanghai International Studies University, 1550 Wenxiang Road, Shanghai 201620, China.

Cerebral Cortex (New York, N.Y. : 1991)
|November 28, 2022
PubMed
Summary
This summary is machine-generated.

The human premotor cortex processes communicative functions in language, not just literal meanings. This brain region is crucial for understanding the intent behind speech, like promises or requests.

Keywords:
actioncommunicationmental simulationpremotor cortexspeech act

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Linguistics

Background:

  • Linguistic communication is typically viewed as goal-directed action.
  • Understanding the neural basis of communicative functions is essential.

Purpose of the Study:

  • To investigate the neural representation of communicative functions in the brain.
  • To determine if the premotor cortex plays a role in processing speech acts.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) to analyze brain activity.
  • Lesion study comparing patients with brain damage to healthy controls.

Main Results:

  • Multivariate analyses of fMRI data revealed that the premotor cortex contains significant information about communicative functions and interlocutor attitudes.
  • Patients with premotor cortex lesions showed impaired understanding of communicative functions compared to controls.
  • No significant impairment was found in patients with lesions in other brain regions.

Conclusions:

  • The premotor cortex is critically involved in representing the communicative functions of language.
  • Findings support the view of linguistic communication as a form of action.
  • This research highlights the premotor cortex's role beyond motor control in language processing.