Auditory cortex fractional anisotropy

Biomarker

1 paper2 findings

  • Humans1

Associations

2

Speech-in-noise recognition

downin humans1

1 study
  1. Auditory cortex fractional anisotropy predicts speech-in-noise recognition in humans.

    “AC fractional anisotropy, radial diffusivity, axial diffusivity, and mean diffusivity were all significant predictors of speech-in-noise (SIN) recognition in older adults.”

    Humans

    Age-related auditory nerve deficits propagate central gain throughout the auditory system: Associations with cortical microstructure and speech recognition

    Neurobiology of aging3 Nov 2025

Auditory nerve deficits

downin humans1

1 study
  1. Auditory nerve deficits predict auditory cortex fractional anisotropy in humans.

    “Reduced AN function predicted deficits in cortical microstructure (lower AC fractional anisotropy) in older adults, consistent with microstructure degeneration.”

    Humans

    Age-related auditory nerve deficits propagate central gain throughout the auditory system: Associations with cortical microstructure and speech recognition

    Neurobiology of aging3 Nov 2025

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