5. Kafli 2 Flashcards
(116 cards)
During auditory processing, loudness is coded by?
- The firing rate of the axons of the auditory nerve
- The specific hair cells that the messages comes from
Which theory maintains that pitch perception occurs when nerve impulses that are sent to the brain match the frequency of the sound wave?
Frequency theory
Where do sounds arrive first?
The ear closest to the sound
Which theory of pitch perception states that the specific point in the cochlea where the fluid wave peaks and most strongly bends the hair cells serves as a frequency coding cue?
Place theory
The disorder that involves problems with the mechanical system that transmits sound waves to the cochlea, is called?
Conductive hearing loss
What causes sensorineural hearing loss?
- Aging and disease can cause it
- Exposure to loud sounds is a leading cause
The loudness we experience is the result of both the rate of firing in the axons of the auditory nerve and the specific hair cells that are..?
Sending messages
A person who has irreversible damage to the receptors in the inner ear most likely suffered the hearing loss from?
Listening to loud music
Which cues does the auditory system use to localize a sound?
- Time difference of sounds arriving at the two ears
- Intensity difference of sounds arriving at the two ears
In what important ways does the tounge contribute to gustation?
- It has tactile receptors
- It has taste buds
- It has temperature receptors
The small bodies on the tongue containing taste receptor cells are called?
Taste buds
Sean had his eardrum punctured which resulted in..?
Conduction deafness
When a substance is taken into the mouth, it interacts with____ to form a chemical reaction that flows into the taste pore and stimulates the receptor cells.
Saliva
Will was born with damaged receptors within the inner ear. He most likely suffers from..?
Nerve deafness
The sense of smell is called
Olfaction
The olfactory receptors send their input to the olfactory bulb. This area is located in the..?
Forebrain
The sense of odours that comes from foods in the mouth is called?
Retronasal olfaction
The four tactile senses:
- Pressure
- Pain
- Warmth
- Cold
To which brain area do the receptors in the nose send their signals?
Olfactory bulb
The two major body senses are?
- Kinesthesia with receptors in the nerve endings in the muscles, tendons and joints
- Equilibrium with receptors in the inner ear
What are the chemical signals called that can be found in natural body scents?
Pheromones
The sense of smell that comes from odours in front of us is called?
Orthonasal olfaction
Free nerve endings:
Pain and temperature
Basket cell fibres:
Light pressure in hair follicles