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Related Concept Videos

Hearing

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.

Language and Cognition

Language and Cognition

Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.

Perception of Sound Waves

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 frequency...

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Related Experiment Video

Updated: May 13, 2026

An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing

An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing

Published on: October 25, 2019

Spatial Hearing and Aging Effects on Mandarin Focus Comprehension in Complex Listening Environments.

Yuxia Wang^1,2, Xinran Du^1,2, Xinxian Zhao^1,2

¹Speech-Language-Hearing Center, School of Foreign Languages, Shanghai Jiao Tong University, China.

Journal of Speech, Language, and Hearing Research : JSLHR

|May 12, 2026

Summary

Older adults can still comprehend speech in noisy environments, benefiting from spatial cues. While overall accuracy decreases with age, the advantage of spatial release from masking (SRM) for understanding prosody remains. This highlights the importance of spatial hearing in aging.

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Area of Science:

Auditory perception
Psychoacoustics
Speech processing

Background:

Aging impacts speech comprehension, particularly in complex auditory environments.
Prosodic focus cues are crucial for understanding meaning in speech.
Spatial separation of sound sources can aid speech perception.

Purpose of the Study:

To investigate age-related differences in Mandarin prosodic focus comprehension.
To determine if postfocus compression (PFC) and spatial separation of speech and noise aid older listeners.
To compare the effectiveness of these cues in younger and older adults within complex listening environments.

Main Methods:

Twenty younger and 20 older Mandarin listeners performed focus comprehension tasks.
Stimuli included five focus types with varying prosodic patterns.
Tasks were conducted in quiet and with noise at different signal-to-noise ratios (SNRs) and spatial configurations (colocated vs. separated).
Accuracy, spatial release from masking (SRM), and confusion patterns were analyzed.

Main Results:

Younger listeners achieved higher overall accuracy (93.6%) than older listeners (55.5%).
Older listeners performed better with PFC cues (IF, MF1, MF2) compared to non-PFC cues (FF, NF).
Performance deficits due to noise were more pronounced in colocated conditions.
The relative benefits of SRM were comparable between age groups, especially at -10 dB SNR.

Conclusions:

Postfocus compression (PFC) is a robust cue for focus comprehension, even in aging listeners.
While absolute performance declines with age, the relative benefit of spatial release from masking (SRM) for prosodic processing is preserved.
Spatial cues are vital for interventions addressing age-related communication difficulties.