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Related Concept Videos

Auditory Pathway01:15

Auditory Pathway

Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking the...
Association Areas of the Cortex01:21

Association Areas of the Cortex

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:
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,...
Lateralization01:28

Lateralization

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.
Higher Mental Functions of the Brain: Language01:10

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

Motor and Sensory Areas of the Cortex

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.
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.
Cerebral Hemispheres01:05

Cerebral Hemispheres

The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...

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Anteromesial Temporal Lobectomy for Medically Intractable Temporal Lobe Epilepsy: An Operative Study
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Central auditory processing deficiency with anatomic deficit in left superior temporal lobe.

Christopher R Grindle1, Robert C O'Reilly, Thierry Morlet

  • 1Department of Otolaryngology Head and Neck Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA.

The Laryngoscope
|June 22, 2010
PubMed
Summary

A large left temporal lobe cyst caused central auditory processing disorder in an 8-year-old boy, impacting his speech development. Management focused on improving auditory information access.

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Area of Science:

  • Neuroscience
  • Audiology
  • Pediatric Neurology

Background:

  • Central auditory processing disorder (CAPD) presents diverse etiologies.
  • Early speech development is crucial for cognitive and social skills.

Observation:

  • An 8-year-old boy exhibited delayed and abnormal speech development.
  • A large cystic lesion (arachnoid cyst) was identified in the left superior temporal lobe.
  • The patient demonstrated significant deficits in processing competing auditory information.

Findings:

  • The left superior temporal lobe lesion correlated with central auditory processing deficits.
  • The patient's speech acquisition was significantly impacted by the auditory processing disorder.
  • Imaging confirmed a cystic lesion consistent with an arachnoid cyst.

Implications:

  • Structural brain abnormalities can manifest as central auditory processing disorders.
  • Tailored management strategies are essential for individuals with CAPD.
  • Early diagnosis and intervention can improve auditory processing and communication outcomes.