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Related Concept Videos

Auditory Pathway01:15

Auditory Pathway

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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...
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Hearing01:31

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When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
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Higher Mental Functions of the Brain: Language01:10

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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.
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....
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Auditory Perception01:17

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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...
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Association Areas of the Cortex01:21

Association Areas of the Cortex

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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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Related Experiment Video

Updated: Oct 10, 2025

Stereotactically-guided Ablation of the Rat Auditory Cortex, and Localization of the Lesion in the Brain
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Postpartum Gray Matter Changes in the Auditory Cortex.

Eileen Luders1,2,3, Christian Gaser4, Malin Gingnell2,5

  • 1School of Psychology, University of Auckland, Auckland 1010, New Zealand.

Journal of Clinical Medicine
|December 10, 2021
PubMed
Summary
This summary is machine-generated.

New mothers show increased auditory cortex volume after childbirth, aiding infant cry interpretation. This maternal brain adaptation supports crucial caregiving skills during early motherhood.

Keywords:
MRIauditory cortexbrain plasticitygray matterpostpartumpregnancy

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Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Maternal Health

Background:

  • Maternal brain undergoes functional adaptations post-childbirth to support infant care.
  • Understanding and responding to newborn cries is a critical maternal skill.
  • Limited knowledge exists regarding anatomical changes in the maternal auditory cortex.

Purpose of the Study:

  • To investigate longitudinal changes in the maternal auditory cortex anatomy.
  • To compare auditory cortex structure in the immediate and late postpartum periods.

Main Methods:

  • Longitudinal study design.
  • Involved 14 healthy women.
  • Compared brain scans from immediate postpartum (1-2 days) and late postpartum (4-6 weeks).
  • Focused on primary, secondary, and higher auditory cortex regions.

Main Results:

  • Significant volume increases observed in all examined auditory cortex regions and subregions.
  • A trend indicated greater volume increases in right-hemispheric regions compared to left.
  • These changes may reflect rapid maternal brain adaptations for interpreting infant cries.

Conclusions:

  • Maternal postpartum auditory cortex volume increases, suggesting rapid neuroanatomical adaptation.
  • Right-hemispheric changes may be linked to processing infant cry characteristics.
  • Further research is needed to confirm these findings and their implications.