Question at position 32 In the context of the auditory system, the ________ was developed to overcome the limitations of the frequency theory.volley principleplace theorysignal-detection theoryall-or-none principle单项选择题
A
volley principle
B
place theory
C
signal-detection theory
D
all-or-none principle

Question

Question at position 32 In the context of the auditory system, the ________ was developed to overcome the limitations of the frequency theory.volley principleplace theorysignal-detection theoryall-or-none principle单项选择题

A

volley principle

B

place theory

C

signal-detection theory

D

all-or-none principle

BlackTom AI · Accepted Answer

The question asks about which concept was developed in the auditory system to overcome the limitations of the frequency theory.
Option 1: volley principle. This concept was introduced to explain how groups of neurons can fire in rapid succession (a volley) to encode higher frequencies beyond the firing rate of a single neuron, thereby addressing the main limitation of the pure frequency (rate) theory. It combines phase locking with distributed firing to represent pitch at higher frequencies.
Option 2: place theory. Place theory posits that pitch is determined by the location of maximum vibration on the basilar membrane. While it explains some aspects of pitch perception, it does not specifically overcome the limitations of the frequency theory; it provides an alternative mechanism, particularly for resolving certain pitch ranges, but it’s not the development meant to address frequency coding limits via neural firing rates.
Option 3: signal-detection theory. This is a general framework for understanding decision making under uncertainty in sensory processing, not a theory about how pitch is encoded along the auditory pathway. It does not directly relate to encoding frequency information in the cochlea or brain.
Option 4: all-or-none principle. This refers to the idea that neurons fire at a consistent magnitude once threshold is reached, independent of stimulus strength beyond threshold. While foundational for neural signaling, it doesn’t specifically address coding high-frequency information in the auditory system as a workaround to frequency theory limits.
In summary, the volley principle uniquely describes a mechanism by which the auditory system can encode higher frequencies by leveraging coordinated firing across neurons, effectively extending beyond the limitations of a simple frequency (rate) coding approach. The other options describe related concepts or frameworks, but none specifically fulfill the role of addressing the high-frequency encoding limitation in the way the volley principle does.