関連する実験動画

Updated: May 6, 2026

Targeted Training of Ultrasonic Vocalizations in Aged and Parkinsonian Rats
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Targeted Training of Ultrasonic Vocalizations in Aged and Parkinsonian Rats

Published on: August 8, 2011

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騒音中のスピーチのニューラルトラッキングに対する年齢の影響

HyunJung An1,2, JeeWon Lee1,3, Young-Jin Park4

  • 1Center for Intelligent & Interactive Robotics, Korea Institute of Science and Technology, 5, Hwarang-ro 14-gil, Seongbuk-gu, Seoul 02792, Republic of Korea.

Brain sciences
|August 28, 2025
PubMed
まとめ

高齢者は 騒音中のスピーチに より強いテータバンドニューラル・トラッキングを示し, 補償メカニズムとして機能する可能性がある. この神経活動は 認知機能と聴覚の敏感性に関連しています

キーワード:
電気脳図 (EEG)年齢の影響ニューラル・デコーディングニューラル・トラッキング騒音の中での言語知覚テータ振動

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関連する概念動画

Hearing01:31

Hearing

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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The Cochlea01:13

The Cochlea

The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
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Perception of Sound Waves01:01

Perception of Sound Waves

The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same...
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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...
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Perceiving Loudness, Pitch, and Location

The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
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