Auditory Localization Cues

Hard Unit 3: Sensation & Perception Auditory System

In the context of the auditory system, sound localization refers to the ability to pinpoint the origin of a sound in one's environment. This skill is crucial for survival, as it aids in identifying sources of danger or communication. Sound localization is primarily achieved through the use of interaural time differences (ITD) and interaural level differences (ILD). Which of the following statements most accurately reflects the role of these auditory cues in sound localization?

Interaural time differences allow the brain to detect differences in the amplitude of sound waves received by each ear.

Interaural level differences are mainly used to determine the frequency of the sound.

The brain utilizes interaural time differences for high-frequency sounds due to their faster propagation across the head.

Interaural level differences help localize sound sources that are directly in front or behind the listener.

Both interaural time differences and interaural level differences are processed by the auditory cortex to locate sound sources.

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