Auditory Representation Flashcards
What unit is used to measure sound frequency?
Hertz
Sound can best be described as repeated:
Pressure pulses
What is the range of frequency that is able to be heard by humans?
20-20,000Hz
What is the lowest frequency that humans are able to hear?
20Hz
What is the highest frequency humans can hear?
20,000Hz
As age ____, the ability to hear high frequency sound ____:
Increases; decreases
What is referred to as the “organ of hearing”?
The cochlea
How many layers make up the cochlea?
3
The conversion of sound frequency into tonotopic representation is called:
Transduction
Describe the order in which sound travels to the auditory cortex:
Cochlea, brainstem, inferior colliculus, medical geniculate nucleus of the thalamus, auditory cortex
Reduction of axon length and facilitation of information processing are two benefits of:
Topographic organisation
Higher music frequencies process ____ and ____, whereas lower frequencies carry ____ and ____:
Pitch & timbre; rhythm & beat
If people start clapping cohesively to the beat of a song, this tells us that sychronised activity and beat detection promote:
Social cohesion
Approximately 6% of visual processing is:
Top-down
Using information from higher-level mental processes & personal experience is referred to as:
Top-down processing
