How Is It That Humans Can Perceive Multiple Sounds at Once

question 69

Multiple Choice

How is it that humans can perceive multiple sounds at once?

• A) Humans have two ears, each perceiving a subset of frequencies in the environment.
• B) Each portion of the basilar membrane vibrates at a unique frequency, and multiple regions can be stimulated at the same time.
• C) The fluid in the middle ear can transmit multiple frequencies to the oval window.
• D) The more frequencies of sounds that are present, the farther the sound travels into the cochlea.

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Definitions:

Positive Reinforcement

The process of increasing the likelihood of a behavior by following it with a pleasant or rewarding stimulus.

Conditioned

Refers to a behavior or response that has been learned or acquired through association with an environmental stimulus.

Frequency

The rate at which something occurs over a particular period of time or in a given sample.

Forgetting

A decrease in a response as a result of not being able to display it over time. Forgetting involves preventing a response from occurring for some period after it has been conditioned.